Tonic water and is used mostly for its flavor. As a result of the lower quinine content, it is less bitter, and is also usually sweetened, often with high-fructose corn syrup or sugar. Some manufacturers also produce diet (or slimline) tonic water, which may contain artificial sweeteners such as aspartame. Traditional-style tonic water with little more than quinine and carbonated water is less common but may be preferred by those who desire the bitter flavor. In the United States, the US Food and Drug Administration (FDA) limits the quinine content in tonic water to 83 ppm (83 mg per liter if calculated
Malaria prophylaxis to have high levels of toxicity by WHO (World Health Organization). Further additions to preventive care are sanctions on blood transfusions. Once the malaria parasite enters the erythorocytic stage, it can adversely affect blood cells, making it possible to contract the parasite through infected blood. Chloroquine may be used where the parasite is still sensitive, however many malaria parasite strains are now resistant.Mefloquine ("Lariam"), or doxycycline (available generically), or the combination of atovaquone and proguanil hydrochloride ("Malarone") are frequently recommended. In choosing the agent, it is important to weigh the risk of infection against the risks and side effects associated