Malaria Home > Lariam Medication Information

Lariam® (mefloquine hydrochloride) is available only by prescription and is used to treat mild or moderate malaria. It can also be used to help prevent malaria if you are going to travel to an area where malaria is a risk. This medicine is not appropriate for everyone; your healthcare provider needs complete information on your medical history and what medications you are taking before prescribing Lariam.
Although many people do not have any problems while taking this drug, Lariam can cause side effects, such as dizziness, vomiting, and diarrhea. If negative reactions do occur, they tend to be minor and easily treated.
Lariam comes in tablet form and is taken as a one-time dose when used to treat malaria. When used for preventing malaria, it is typically taken once a week; it should be taken between one and three weeks before traveling to a malaria area, as well as during travel and for four weeks after returning.
(Click Lariam for more information on this medication. This article covers how this prescription drug works, lists additional side effects, and offers some safety precautions to be aware of before beginning treatment.)
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Last reviewed by: Arthur Schoenstadt, MD
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