Malaria in pregnant women and infants, and in preschool children where transmission is seasonal. There are a number of medications that can help prevent or interrupt malaria in travelers to places where infection is common. Many of these medications are also used in treatment. In places where "Plasmodium" is resistant to one or more medications, three medications—mefloquine, doxycycline , or the combination of atovaquone/proguanil ("Malarone")—are frequently used for prevention. Doxycycline and the atovaquone/proguanil are better tolerated while mefloquine is taken once a week. Areas of the world with chloroquine sensitive malaria are uncommon. The protective effect does not begin immediately, and
Médecins Sans Frontières to a combination therapy (Artesunate and Mefloquine) to combat resistance and fatality of old drugs that were used to treat the disease traditionally. Cambodia is one of the hardest hit HIV/AIDS countries in Southeast Asia. In 2001, MSF started introducing antiretroviral (ARV) therapy to AIDS patients for free. This therapy prolongs the patients' lives and is a long-term treatment. In 2002, MSF established chronic diseases clinics with the Cambodian Ministry of Health in various provinces to integrate HIV/AIDS treatment, alongside hypertension, diabetes, and arthritis which have high prevalence rate. This aims to reduce facility-related stigma as patients are able to