Reports of sporadic requirement for Sri Lanka and Malaysia if coming from infected areas. Administered only at designated centers. Official validation of certificate required. Booster every ten years. Administered only at designated centers.
Malaria risk varies by area and is prevalent primarily in rural areas and in southern China.
Doxycycline can be substituted for Mefloquine for up to ten weeks. Chloroquine phosphate should be used when Mefloquine cannot be continued. Fansidar should be carried and be taken if a malaria attack occurs and immediate medical help is delayed. The use of these medications and possible reactions and side effects should be discussed with a physician. 500 mg once a week.