Quinine giving a further half dose. No injectable preparation of quinine is licensed in the US; quinidine is used instead. Quinine is a flavor component of tonic water and bitter lemon drink mixers. On the soda gun behind many bars, tonic water is designated by the letter "Q" representing quinine. According to tradition, the bitter taste of anti-malarial quinine tonic led British colonials in India to mix it with gin, thus creating the iconic gin and tonic cocktail, which is still popular today. Nowadays, the amount of quinine in tonic is much lower and drinking it against malaria is useless. Quinine
Mefloquine Mefloquine Mefloquine, sold under the brand names Lariam among others, is a medication used to prevent or treat malaria. When used for prevention it is taken once a week and should be started one or two weeks before potential exposure and continued for four weeks after potential exposure. It can be used to treat mild or moderate malaria but should not be used to treat severe malaria. It is taken by mouth. Serious side effects include potentially long-term mental health problems such as depression, hallucinations, and anxiety and neurological side effects such as poor balance, seizures, and ringing in the