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NEWER ANTI-MALARIALS
PRESCRIPTION DRUGS FOR MALARIA: All travelers to areas of the world where malaria is present should use the appropriate drug regimen and personal protection measures to prevent malaria. We will advise as to which form(s) of malaria are present in your areas of travel and which medications and doses are correct for you.
PREVENTION: Drugs Used In Chloroquine-Resistant Areas:
MEFLOQUINE: The adult dosage is 250 mg (one tablet) once a week. MEFLOQUINE should be taken one week before leaving, weekly while in the malarious area, and weekly for 4 weeks after leaving the malarious area.
Minor side effects while taking MEFLOQUINE include gastrointestinal disturbances and dizziness, which tend to be mild and temporary. More serious side effects at the recommended dosage have rarely occurred.
MEFLOQUINE should NOT be used by travelers with a history of epilepsy or psychiatric disorder, or travelers with a known hypersensitivity to mefloquine. In consultation with a physician, mefloquine may be used by pregnant women and children less than 30 pounds, when travel to an area with chloroquine-resistant malaria is unavoidable.
DOXYCYCLINE - Travelers who CANNOT TAKE MEFLOQUINE should take DOXYCYCLINE to prevent malaria if they are traveling in a malarious area. This drug is taken every day at an adult dose of 100 mg, to begin on the day before entering the malarious area, while there, and continued for 4 weeks after leaving. If DOXYCYCLINE is used, there is no need to take other preventive drugs, such as CHLOROQUINE. Possible side effects include skin photosensitivity that may result in an exaggerated sunburn reaction. This risk can be minimized by wearing a hat and using sunblock. Women who take DOXYCYCLINE may develop vaginal yeast infections.
DOXYCYCLINE should NOT be used by pregnant women during the entire pregnancy, children under 8 years of age or travelers with a known hypersensitivity to doxycycline or tetracycline.
CHLOROQUINE & PROGUANIL - CHLOROQUINE is used to prevent malaria for travelers who cannot take MEFLOQUINE or DOXYCYCLINE. CHLOROQUINE is often marketed in the United States under the brand name Aralen . The adult dosage is 500 mg (salt) once a week. This drug should be taken one week before entering a malarious area, weekly while there, and weekly for 4 weeks after leaving the malarious area. Travelers to sub-Saharan Africa who use CHLOROQUINE should, if possible, also consider taking simultaneously, PROGUANIL. The adult dose of PROGUANIL is 200 mg/day. PROGUANIL is not available in the United States, but can be purchased in Canada, Europe, and many African countries.
Rare side effects to CHLOROQUINE include upset stomach, headache, dizziness, blurred vision, and itching. Generally these effects do not require the drug to be discontinued.
Drugs Used In Chloroquine-Sensitive Areas:
CHLOROQUINE - CHLOROQUINE alone is used to prevent malaria for travelers going to specific geographical regions such as North Africa, the Caribbean, Temperate South America, most of Central America, and part of the Middle East. In these regions CHLOROQUINE is still effective in preventing malaria.
SUMMARY OF PRESCRIPTION DRUGS FOR MALARIA: MEFLOQUINE (LARIAM) - Used in areas where Chloroquine-resistant malaria has been reported.
DOXYCYCLINE - Used as an alternative to Mefloquine.
CHLOROQUINE (ARALEN)- Used in areas where Chloroquine-resistant malaria has not been reported.
PROGUANIL (PALUDRINE)- Used simultaneously WITH Chloroquine as an alternative to Mefloquine or Doxycycline. Proguanil is NOT available in the United States.
ADULTS: 200 mg, orally once a day , in combination with weekly Chloroquine.
CHILDREN: The following dosages are to be taken in combination with weekly Chloroquine: < 2 years old, 50 mg per day; 2-6 years old, 100 mg per day; 7-10 years old: 150 mg per day; and > 10 years old: 200 mg per day.
DRUGS USED FOR TEMPORARY SELF-TREATMENT: FANSIDAR - CHLOROQUINE may not prevent malaria (in areas where there is CHLOROQUINE-resistant malaria), and travelers who use CHLOROQUINE must take additional measures. In addition to stringent personal protection measures, you should also take with you one or more treatment doses of FANSIDAR . NO ONE WITH A HISTORY OF SULFA ALLERGY SHOULD TAKE FANSIDAR. Each treatment dose for an adult consists of 3 tablets, taken as a single dose to treat any fever during the travel if professional medical care is not available within 24 hours. This is only a temporary measure; you should seek medical care as soon as possible. You should continue taking the weekly dose of CHLOROQUINE after treatment with Fansidar.
PREVENTING MOSQUITO BITES:
In addition to using drugs to prevent malaria, travelers should use measures to reduce exposure to malaria-carrying mosquitoes, which bite during the evening and night. To reduce mosquito bites you should remain in well-screened areas, use mosquito nets, and wear clothes that cover most of the body.
You should also take insect repellent with you to use on any exposed areas of the skin. The most effective repellent is DEET (N,N-diethyl meta-toluamide) an ingredient in most insect repellents. DEET-containing insect repellents should always be used according to label directions and sparingly on children. Adults should use 30-35% DEET on exposed areas of the skin. Avoid applying higher-concentration (greater than 35%) products to the skin. Pediatric insect repellents with 6-10% DEET are available. Rarely toxic reactions or other problems have developed after contact with DEET.
You should also purchase a flying insect-killing spray to use in living and sleeping areas during the evening and night. For greater protection, clothing and bednets can be soaked in or sprayed with PERMETHRIN, which is an insect repellent licensed for use on clothing. If applied according to the directions, permethrin will repel insects from clothing for several weeks. Portable mosquito bednets, DEET containing repellents, and permethrin can be purchased in hardware, back-packing, or military surplus stores.