Read below for travel health advice on Cambodia from the MDtravelhealth channel on Red Planet Travel.
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Summary of recommendations
Most travelers to Cambodia will need vaccinations for hepatitis A and typhoid fever, as well as medications for malaria prophylaxis and travelers' diarrhea. Other immunizations may be necessary depending upon the circumstances of the trip and the medical history of the traveler, as discussed below. Insect repellents are recommended, in conjunction with other measures to prevent mosquito bites. All travelers should visit either a travel health clinic or their personal physician 4-8 weeks before departure.
Malaria:Prophylaxis is recommended for all areas except Phnom Penh and around Lake Tonle Sap. Lariam (mefloquine), Malarone (atovaquone/proguanil), or doxycycline are the recommended drugs, except for the western provinces of Preah Vihear, Siemreap, Oddar, Meanchey, Banteay Meanchey, Battambang, Pailin, Koh Kong, and Pursat, where mefloquine should not be used because of the presence of mefloquine-resistant malaria in the areas near the Thai border.
|Hepatitis A||Recommended for all travelers|
|Typhoid||Recommended for all travelers|
|Yellow fever||Required for all travelers greater than one year of age arriving from a yellow-fever-infected area in Africa or the Americas and for travelers who have been in transit more than 12 hours in an airport located in a country with risk of yellow fever transmission. Not recommended otherwise.|
|Japanese encephalitis||For travelers who may spend a month or more in rural areas and for short-term travelers who may spend substantial time outdoors in rural areas, especially after dusk|
|Hepatitis B||Recommended for all travelers|
|Rabies||For travelers spending a lot of time outdoors, or at high risk for animal bites, or involved in any activities that might bring them into direct contact with bats|
|Measles, mumps, rubella (MMR)||Two doses recommended for all travelers born after 1956, if not previously given|
|Tetanus-diphtheria||Revaccination recommended every 10 years|
Travelers' diarrhea is the most common travel-related ailment. The cornerstone of prevention is food and water precautions, as outlined below. All travelers should bring along an antibiotic and an antidiarrheal drug to be started promptly if significant diarrhea occurs, defined as three or more loose stools in an 8-hour period or five or more loose stools in a 24-hour period, especially if associated with nausea, vomiting, cramps, fever or blood in the stool. A quinolone antibiotic is usually prescribed: either ciprofloxacin (Cipro)(PDF) 500 mg twice daily or levofloxacin (Levaquin) 500 mg once daily for a total of three days. Quinolones are generally well-tolerated, but occasionally cause sun sensitivity and should not be given to children, pregnant women, or anyone with a history of quinolone allergy. Alternative regimens include a three day course of rifaximin (Xifaxan) 200 mg three times daily or azithromycin (Zithromax) 500 mg once daily. Rifaximin should not be used by those with fever or bloody stools and is not approved for pregnant women or those under age 12. Azithromycin should be avoided in those allergic to erythromycin or related antibiotics. An antidiarrheal drug such as loperamide (Imodium) or diphenoxylate (Lomotil) should be taken as needed to slow the frequency of stools, but not enough to stop the bowel movements completely. Diphenoxylate (Lomotil) and loperamide (Imodium) should not be given to children under age two.
Most cases of travelers' diarrhea are mild and do not require either antibiotics or antidiarrheal drugs. Adequate fluid intake is essential.
If diarrhea is severe or bloody, or if fever occurs with shaking chills, or if abdominal pain becomes marked, or if diarrhea persists for more than 72 hours, medical attention should be sought.
Though effective, antibiotics are not recommended prophylactically (i.e. to prevent diarrhea before it occurs) because of the risk of adverse effects, though this approach may be warranted in special situations, such as immunocompromised travelers.
Malaria in Cambodia: prophylaxis is recommended for all areas except the temple complex at Angkor Wat, Phnom Penh, and around Lake Tonle Sap. Either mefloquine (Lariam), atovaquone/proguanil (Malarone)(PDF), or doxycycline may be given, except for the western provinces of Banteay Meanchey, Battambang, Koh Kong, Odder Meanchey, Pailin, Kampot, Preah Vihear, Pursat, and Siemreap, where mefloquine should not be used because of the presence of mefloquine-resistant malaria in the forested areas near the Thai border. Mefloquine is taken once weekly in a dosage of 250 mg, starting one-to-two weeks before arrival and continuing through the trip and for four weeks after departure. Mefloquine may cause mild neuropsychiatric symptoms, including nausea, vomiting, dizziness, insomnia, and nightmares. Rarely, severe reactions occur, including depression, anxiety, psychosis, hallucinations, and seizures. Mefloquine should not be given to anyone with a history of seizures, psychiatric illness, cardiac conduction disorders, or allergy to quinine or quinidine. Those taking mefloquine (Lariam) should read the Lariam Medication Guide (PDF). Atovaquone/proguanil (Malarone) is a combination pill taken once daily with food starting two days before arrival and continuing through the trip and for seven days after departure. Side-effects, which are typically mild, may include abdominal pain, nausea, vomiting, headache, diarrhea, or dizziness. Serious adverse reactions are rare. Doxycycline is effective, but may cause an exaggerated sunburn reaction, which limits its usefulness in the tropics.
Long-term travelers who may not have access to medical care should bring along medications for emergency self-treatment should they develop symptoms suggestive of malaria, such as fever, chills, headaches, and muscle aches, and cannot obtain medical care within 24 hours. See malaria for details. Symptoms of malaria sometimes do not occur for months or even years after exposure.
Insect protection measures are essential.
For further information concerning malaria in Cambodia, including maps showing the risk of malaria in different parts of the country, go to the World Health Organization - Western Pacific Region.
The following are the recommended vaccinations for Cambodia:
Hepatitis A vaccine is recommended for all travelers over one year of age. It should be given at least two weeks (preferably four weeks or more) before departure. A booster should be given 6-12 months later to confer long-term immunity. Two vaccines are currently available in the United States: VAQTA (Merck and Co., Inc.) (PDF) and Havrix (GlaxoSmithKline) (PDF). Both are well-tolerated. Side-effects, which are generally mild, may include soreness at the injection site, headache, and malaise.
Older adults, immunocompromised persons, and those with chronic liver disease or other chronic medical conditions who have less than two weeks before departure should receive a single intramuscular dose of immune globulin (0.02 mL/kg) at a separate anatomic injection site in addition to the initial dose of vaccine. Travelers who are less than one year of age or allergic to a vaccine component should receive a single intramuscular dose of immune globulin (see hepatitis A for dosage) in the place of vaccine.
Typhoid vaccine is recommended for all travelers. It is generally given in an oral form (Vivotif Berna) consisting of four capsules taken on alternate days until completed. The capsules should be kept refrigerated and taken with cool liquid. Side-effects are uncommon and may include abdominal discomfort, nausea, rash or hives. The alternative is an injectable polysaccharide vaccine (Typhim Vi; Aventis Pasteur Inc.) (PDF), given as a single dose. Adverse reactions, which are uncommon, may include discomfort at the injection site, fever and headache. The oral vaccine is approved for travelers at least six years old, whereas the injectable vaccine is approved for those over age two. There are no data concerning the safety of typhoid vaccine during pregnancy. The injectable vaccine (Typhim Vi) is probably preferable to the oral vaccine in pregnant and immunocompromised travelers.
Japanese encephalitis vaccine is recommended for those who expect to spend a month or more in rural areas and for short-term travelers who may spend substantial time outdoors or engage in extensive outdoor activities in rural or agricultural areas, especially in the evening. Japanese encephalitis is believed to occur throughout Cambodia. The disease is transmitted by mosquito bites, probably from May through October. The recommended vaccine is IXIARO , given 0.5 cc intramuscularly, followed by a second dose 28 days later. The series should be completed at least one week before travel. The most common side effects are headaches, muscle aches, and pain and tenderness at the injection site. Safety has not been established in pregnant women, nursing mothers, or children under the age of two months. In addition to vaccination, strict attention to insect protection measures is essential for anyone at risk.
Hepatitis B vaccine is recommended for all travelers if not previously vaccinated. Two vaccines are currently licensed in the United States: Recombivax HB (Merck and Co., Inc.) (PDF) and Engerix-B (GlaxoSmithKline) (PDF). A full series consists of three intramuscular doses given at 0, 1 and 6 months. Engerix-B is also approved for administration at 0, 1, 2, and 12 months, which may be appropriate for travelers departing in less than 6 months. Side-effects are generally mild and may include discomfort at the injection site and low-grade fever. Severe allergic reactions (anaphylaxis) occur rarely.
Rabies vaccine is recommended for travelers spending a lot of time outdoors, for travelers at high risk for animal bites, such as veterinarians and animal handlers, for long-term travelers and expatriates, and for travelers involved in any activities that might bring them into direct contact with bats. Children are considered at higher risk because they tend to play with animals, may receive more severe bites, or may not report bites. In Cambodia, the chief risk is from dog bites. Monkeys and other wildlife may also carry rabies and should be avoided. A complete preexposure series consists of three doses of vaccine injected into the deltoid muscle on days 0, 7, and 21 or 28. Side-effects may include pain at the injection site, headache, nausea, abdominal pain, muscle aches, dizziness, or allergic reactions.
Any animal bite or scratch should be thoroughly cleaned with large amounts of soap and water and local health authorities should be contacted immediately for possible post-exposure treatment, whether or not the person has been immunized against rabies.
Tetanus-diphtheria vaccine is recommended for all travelers who have not received a tetanus-diphtheria immunization within the last 10 years.
Measles-mumps-rubella vaccine: two doses are recommended (if not previously given) for all travelers born after 1956, unless blood tests show immunity. Many adults born after 1956 and before 1970 received only one vaccination against measles, mumps, and rubella as children and should be given a second dose before travel. MMR vaccine should not be given to pregnant or severely immunocompromised individuals.
Cholera vaccine is not generally recommended, even though cholera occurs in Cambodia, because most travelers are at low risk of infection. Two oral vaccines have recently been developed: Orochol (Mutacol), licensed in Canada and Australia, and Dukoral, licensed in Canada, Australia, and the European Union. These vaccines, where available, are recommended only for high-risk individuals, such as relief workers, health professionals, and those traveling to remote areas where cholera epidemics are occurring and there is limited access to medical care. The only cholera vaccine approved for use in the United States is no longer manufactured or sold, due to low efficacy and frequent side-effects.
Outbreaks were reported from Paoy Pet Commune, Banteay Manchey Province in the northwest of the country in June and July of 1998, and from the Rottanakiri province in the northeast in April and May of 1999.
Polio vaccine is not recommended for any adult traveler who completed the recommended childhood immunizations. In October 2000, the World Health Organization certified that polio had been eradicated from the Western Pacific region.
Yellow fever vaccine is required for all travelers arriving from a yellow-fever-infected country in Africa or the Americas and for travelers who have been in transit more than 12 hours in an airport located in a country with risk of yellow fever transmission, but is not recommended or required otherwise. Yellow fever vaccine (YF-VAX; Aventis Pasteur Inc.) (PDF) must be administered at an approved yellow fever vaccination center, which will give each vaccinee a fully validated International Certificate of Vaccination. Yellow fever vaccine should not in general be given to those who are younger than nine months of age, pregnant, immunocompromised, or allergic to eggs. It should also not be given to those with a history of thymus disease or thymectomy.
An outbreak of a severe form of hand, foot, and mouth disease was reported from Cambodia in July 2012, causing a total 78 cases, of which 54 were fatal. Most of the cases occurred in infants and young children, and most were caused by enterovirus 71. A significant number of cases had been treated with steroids, which have been shown to worsen the condition of patients with enterovirus 71 (see the World Health Organization). Hand, foot, and mouth disease is characterized by fever, oral blisters, and a rash or blisters on the palms and soles, which may be complicated by encephalitis (inflammation of the brain), myocarditis (inflammation of the heart muscle), or pulmonary edema (fluid in the lungs). Enteroviruses are transmitted by exposure to fecal material from infected individuals. There is no vaccine. The key to prevention is good personal hygiene and scrupulous hand-washing, especially after defecation and before handling food.
Outbreaks of dengue fever occur annually in Cambodia, usually during the rainy season. In the first nine months of 2011, there were a total of 12,392 cases nationwide, including 54 deaths. A dengue outbreak in the summer of 2011 chiefly affected the provinces of Kampong Thom, Kampong Cham, Siem Reap, Kandal and Kampong Speu and Banteay Meanchey (see ProMED-mail). A major dengue outbreak was reported in the summer of 2007, resulting in almost 40,000 cases and 407 deaths, mostly in children, by the end of the year. Kampong Cham province was particularly affected. In the year 2008, the number of cases fell to 9456 and the number of deaths fell to 65, thanks to an aggressive dengue control program, followed by 11,652 cases and 37 deaths in 2009, chiefly in the capital and in Kampong Cham, Kandal, Siem Reap, and Banteay Meanchey provinces. A total of 12,347 cases and 37 deaths were reported for the year 2010.
Dengue fever is a flu-like illness sometimes complicated by hemorrhage or shock. The disease is highly prevalent throughout Cambodia. Dengue is transmitted by Aedes mosquitoes, which bite primarily in the daytime and favor densely populated areas, though they also inhabit rural environments. Peak transmission usually occurs each year during the rainy season from June through September, though the disease occurs year-round. Major epidemics are reported every 2-3 years. No vaccine is available at this time. Insect protection measures are strongly advised, as outlined below. For further information on dengue in Cambodia, go to the World Health Organization - Western Pacific Region.
A total of 55 human cases of H5N1 avian influenza ("bird flu"), 35 of them fatal, have been reported from Cambodia since 2005. A total of 26 cases were reported in the year 2013, the most of any country. The most recent cases, both fatal, involved a brother and sister in Snuol district's Sre Cha commune, who had eaten a chicken which their parents had found dead. Also in February 2014, a fatal case was reported from Chongda village, Tbaung Kropeur commune, Santuk district, Kampong Thom province, and a non-fatal case occurred in Sre Cha commune, Snourl district, Kratie province. The most recent poultry outbreaks were reported in February 2014 from Svay Prey, Sandaek, Batheay, Kampong Cham, and from Sre Cha commune, Snourl district, Kratie province.
Most travelers are at extremely low risk for avian influenza, since almost all human cases have occurred in those who have had direct contact with live, infected poultry, or sustained, intimate contact with family members suffering from the disease. The World Health Organization and the Centers for Disease Control do not advise against travel to Cambodia, but recommend that travelers should avoid exposure to live poultry, including visits to poultry farms and open markets with live birds; should not touch any surfaces that might be contaminated with feces from poultry or other animals; and should make sure all poultry and egg products are thoroughly cooked. A vaccine for avian influenza was recently approved by the U.S. Food and Drug Administration (FDA), but produces adequate antibody levels in fewer than half of recipients and is not commercially available. The vaccines for human influenza do not protect against avian influenza. Anyone who develops fever and flu-like symptoms after travel to Cambodia should seek immediate medical attention, which may include testing for avian influenza. For further information, go to the World Health Organization, Health Canada, the Centers for Disease Control, and ProMED-mail.
Two cholera outbreaks were reported from Cambodia in January 2010: one from Takeo and Kandal provinces and another from Phnom Penh. A third possible outbreak was reported at the same time from Prey Veng province in southeastern Cambodia (see ProMED-mail). The main symptoms of cholera are profuse watery diarrhea and vomiting, which in severe cases may lead to dehydration and death. Most travelers are at extremely low risk for infection. Cholera vaccine, where available, is recommended only for certain high-risk individuals, such as relief workers, health professionals, and those traveling to remote areas where cholera epidemics are occurring and there is limited access to medical care. All travelers should carefully observe food and water precautions, as below.
HIV (human immunodeficiency virus) infection is reported, but travelers are not at risk unless they have unprotected sexual contacts or receive injections or blood transfusions.
For an overview of health care in Cambodia, go to the World Health Organization - Western Pacific Region.
Food and water precautions
Do not drink tap water unless it has been boiled, filtered, or chemically disinfected. Do not drink unbottled beverages or drinks with ice. Do not eat fruits or vegetables unless they have been peeled or cooked. Avoid cooked foods that are no longer piping hot. Cooked foods that have been left at room temperature are particularly hazardous. Avoid unpasteurized milk and any products that might have been made from unpasteurized milk, such as ice cream. Avoid food and beverages obtained from street vendors. Do not eat raw or undercooked meat or fish. Some types of fish may contain poisonous biotoxins even when cooked. Barracuda in particular should never be eaten. Other fish that may contain toxins include red snapper, grouper, amberjack, sea bass, and a large number of tropical reef fish.
All travelers should bring along an antibiotic and an antidiarrheal drug to be started promptly if significant diarrhea occurs, defined as three or more loose stools in an 8-hour period or five or more loose stools in a 24-hour period, especially if accompanied by nausea, vomiting, cramps, fever or blood in the stool. Antibiotics which have been shown to be effective include ciprofloxacin (Cipro), levofloxacin (Levaquin), rifaximin (Xifaxan), or azithromycin (Zithromax). Either loperamide (Imodium) or diphenoxylate (Lomotil) should be taken in addition to the antibiotic to reduce diarrhea and prevent dehydration.
If diarrhea is severe or bloody, or if fever occurs with shaking chills, or if abdominal pain becomes marked, or if diarrhea persists for more than 72 hours, medical attention should be sought.
Insect and Tick Protection
Wear long sleeves, long pants, hats and shoes (rather than sandals). For rural and forested areas, boots are preferable, with pants tucked in, to prevent tick bites. Apply insect repellents containing 25-50% DEET (N,N-diethyl-3-methylbenzamide) or 20% picaridin (Bayrepel) to exposed skin (but not to the eyes, mouth, or open wounds). DEET may also be applied to clothing. Products with a lower concentration of either repellent need to be repplied more frequently. Products with a higher concentration of DEET carry an increased risk of neurologic toxicity, especially in children, without any additional benefit. Do not use either DEET or picaridin on children less than two years of age. For additional protection, apply permethrin-containing compounds to clothing, shoes, and bed nets. Permethrin-treated clothing appears to have little toxicity. Don't sleep with the window open unless there is a screen. If sleeping outdoors or in an accommodation that allows entry of mosquitoes, use a bed net, preferably impregnated with insect repellent, with edges tucked in under the mattress. The mesh size should be less than 1.5 mm. If the sleeping area is not otherwise protected, use a mosquito coil, which fills the room with insecticide through the night. In rural or forested areas, perform a thorough tick check at the end of each day with the assistance of a friend or a full-length mirror. Ticks should be removed with tweezers, grasping the tick by the head. Many tick-borne illnesses can be prevented by prompt tick removal.
Swimming and bathing precautions
Avoid swimming, wading, or rafting in bodies of fresh water, such as lakes, ponds, streams, or rivers. Do not use fresh water for bathing or showering unless it has been heated to 150 degrees F for at least five minutes or held in a storage tank for at least three days. Toweling oneself dry after unavoidable or accidental exposure to contaminated water may reduce the likelihood of schistosomiasis, but does not reliably prevent the disease and is no substitute for the precautions above. Chlorinated swimming pools are considered safe.
Bring adequate supplies of all medications in their original containers, clearly labeled. Carry a signed, dated letter from the primary physician describing all medical conditions and listing all medications, including generic names. If carrying syringes or needles, be sure to carry a physician's letter documenting their medical necessity.Pack all medications in hand luggage. Carry a duplicate supply in the checked luggage. If you wear glasses or contacts, bring an extra pair. If you have significant allergies or chronic medical problems, wear a medical alert bracelet.
Make sure your health insurance covers you for medical expenses abroad. If not, supplemental insurance for overseas coverage, including possible evacuation, should be seriously considered. If illness occurs while abroad, medical expenses including evacuation may run to tens of thousands of dollars. For a list of travel insurance and air ambulance companies, go to Medical Information for Americans Traveling Abroad on the U.S. State Department website. Bring your insurance card, claim forms, and any other relevant insurance documents. Before departure, determine whether your insurance plan will make payments directly to providers or reimburse you later for overseas health expenditures. The Medicare and Medicaid programs do not pay for medical services outside the United States.
Pack a personal medical kit, customized for your trip (see description). Take appropriate measures to prevent motion sickness and jet lag, discussed elsewhere. On long flights, be sure to walk around the cabin, contract your leg muscles periodically, and drink plenty of fluids to prevent blood clots in the legs. For those at high risk for blood clots, consider wearing compression stockings.
Avoid contact with stray dogs and other animals. If an animal bites or scratches you, clean the wound with large amounts of soap and water and contact local health authorities immediately. Wear sun block regularly when needed. Use condoms for all sexual encounters. Ride only in motor vehicles with seat belts. Do not ride on motorcycles.
Ambulance and Emergency Services
For an public ambulance in Phnom Penh, call 119 or 023-724891. For a private ambulance, call Naga Clinic at 855 11 811 175.
Many expatriates go to the Tropical and Travellers Medical Clinic, run by a UK-trained physician (House 88, St. 108, 2 blocks from the U.S. Embassy in Phnom Penh; ph. 855-23-366-802; email email@example.com; website http://www.travellersmedicalclinic.com/index.html; payment by cash only, ATM machines nearby). Most medical facilities in Cambodia are extremely limited. The best hospital in Phnom Penh is Calmette Hospital, which has emergency, surgical, medical and gynecology and obstetrics departments, a radiology unit, laboratory, central pharmacy and an outpatient clinic (#3, Monivong Boulevard, Phnom Penh; ph. 023 426-948 / 023 427-792). Other facilities used by expatriates are Naga Clinic (#11 Street 254, Phnom Penh; ph. 011 811 175; emergency ph. 855 11 811 175; website http://www.nagaclinic.com/; most major credit cards accepted) and International SOS (House 161, Street 51, Sang-Kat Boeung Peng, Khon Doun Penh, Phnom Penh; ph. 855-23-216-911; email firstname.lastname@example.org; website http://www.internationalsos.com/en/asiapacificregion_cambodia.htm; most major credit cards accepted). Outside Phnom Penh, medical care may be difficult to find or entirely unavailable. Naga Clinic has a limited facility in Siem Reap (No. 593, Road No. 6, Airport Road, Siem Reap; ph. 063-964-500).
For a list of other hospitals and clinics in Phnom Penh, go to the U.S. Embassy website. Medical facilities in Cambodia are not adequate for serious problems. For a medical emergency, contact International SOS/AEA, which will arrange evacuation to Bangkok if necessary. Before departure, make sure you have insurance coverage for medical evacuation. Air evacuation to Bangkok can cost $10-25,000, and much more to Europe or the United States.
The supply of medications at local pharmacies is limited and the quality is unreliable. There is no enforcement of pharmacy regulations. Many of those who dispense medications are not fully trained. Counterfeit medications are widespread and potentially lethal.
Traveling with children
Before you leave, make sure you have the names and contact information for physicians, clinics, and hospitals where you can obtain emergency medical care if needed.
All children should be up-to-date on routine childhood immunizations, as recommended by the American Academy of Pediatrics. Children who are 12 months or older should receive a total of 2 doses of MMR (measles-mumps-rubella) vaccine, separated by at least 28 days, before international travel. Children between the ages of 6 and 11 months should be given a single dose of measles vaccine. MMR vaccine may be given if measles vaccine is not available, though immunization against mumps and rubella is not necessary before age one unless visiting a country where an outbreak is in progress. Children less than one year of age may also need to receive other immunizations ahead of schedule (see the accelerated immunization schedule).
The recommendations for malaria prophylaxis are the same for young children as for adults, except that (1) dosages are lower; and (2) doxycycline should be avoided. DEET-containing insect repellents are not advised for children under age two, so it's especially important to keep children in this age group well-covered to protect them from mosquito bites.
When traveling with young children, be particularly careful about what you allow them to eat and drink (see food and water precautions), because diarrhea can be especially dangerous in this age group and because the vaccines for hepatitis A and typhoid fever, which are transmitted by contaminated food and water, are not approved for children under age two. Baby foods and cows' milk may not be available in developing nations. Only commercially bottled milk with a printed expiration date should be used. Young children should be kept well-hydrated and protected from the sun at all times.
Be sure to pack a medical kit when traveling with children. In addition to the items listed for adults, bring along plenty of disposable diapers, cream for diaper rash, oral replacement salts, and appropriate antibiotics for common childhood infections, such as middle ear infections.
Travel and pregnancy
International travel should be avoided by pregnant women with underlying medical conditions, such as diabetes or high blood pressure, or a history of complications during previous pregnancies, such as miscarriage or premature labor. For pregnant women in good health, the second trimester (18–24 weeks) is probably the safest time to go abroad and the third trimester the least safe, since it's far better not to have to deliver in a foreign country.
Before departure, make sure you have the names and contact information for physicians, clinics, and hospitals where you can obtain emergency obstetric care if necessary. In general, pregnant women should avoid traveling to countries which do not have modern facilities for the management of premature labor and other complications of pregnancy.
As a rule, pregnant women should avoid visiting areas where malaria occurs. Malaria may cause life-threatening illness in both the mother and the unborn child. None of the currently available prophylactic medications is 100% effective. Mefloquine (Lariam) is the drug of choice for malaria prophylaxis during pregnancy, but should not be given if possible in the first trimester. If travel to malarious areas is unavoidable, insect protection measures must be strictly followed at all times. The recommendations for DEET-containing insect repellents are the same for pregnant women as for other adults.
Strict attention to food and water precautions is especially important for the pregnant traveler because some infections, such as listeriosis, have grave consequences for the developing fetus. Additionally, many of the medications used to treat travelers' diarrhea may not be given during pregnancy. Quinolone antibiotics, such as ciprofloxacin (Cipro) and levofloxacin (Levaquin), should not be given because of concern they might interfere with fetal joint development. Data are limited concerning trimethoprim-sulfamethoxazole, but the drug should probably be avoided during pregnancy, especially the first trimester. Options for treating travelers' diarrhea in pregnant women include azithromycin and third-generation cephalosporins. For symptomatic relief, the combination of kaolin and pectin (Kaopectate; Donnagel) appears to be safe, but loperamide (Imodium) should be used only when necessary. Adequate fluid intake is essential.
Helpful maps are available in the University of Texas Perry-Castaneda Map Collection and the United Nations map library. If you have the name of the town or city you'll be visiting and need to know which state or province it's in, you might find your answer in the Getty Thesaurus of Geographic Names.
(reproduced from the U.S. State Dept. Consular Information Sheet)
Americans living in or visiting Cambodia are encouraged to register with the Consular Section of the U.S. Embassy in Phnom Penh where they may obtain updated information on travel and security within Cambodia. The U.S. Embassy is located at No. 16, Street 228 (between Streets 51 and 63), Phnom Penh, Cambodia. The telephone number is (855-23) 216-436 or 216-438;fax (855-23) 216-437 or 218-931.
For information on safety and security, go to the U.S. Department of State, United Kingdom Foreign and Commonwealth Office, Foreign Affairs Canada, and the Australian Department of Foreign Affairs and Trade.
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