Table 1.

Use of anti malarial drugs for P. falciparum prophylaxis.

Drug	Dose (adult)	Dose regimen	Beginning of prophylaxis (before exposure)	End of prophylaxis (after exposure)
Atovaquone-proguanil	250 mg/100mg	Daily	1 day	7 days
Mefloquine	250 mg	Once a week	1–3 weeks	4 weeks
Doxycycline	100 mg	Daily	1–2 days	4 weeks
Primaquine * G6PD testing is mandatory before its use	30 mg (base) [usually =2 tabs]	Daily	1 day	3–7 days
Chloroquine	300 mg (base) =500 mg salt	Once a week	1 week	4 weeks