Destination	Medication
Argentina and Paraguay, Central America, Haiti and Dominican Republic, Middle East	Chloroquine (Aralen): 500 mg every week, beginning one week pretravel and continuing until four weeks posttravel
Asia, South America (except Argentina and Paraguay), sub-Saharan Africa	Atovaquone/proguanil (Malarone): 250/100 mg every day, beginning one to two days pretravel and continuing until seven days posttravel
		or
	Mefloquine (Lariam): 250 mg every week, beginning one week pretravel and continuing until four weeks posttravel*