Quinine Quinine Quinine is a medication used to treat malaria and babesiosis. This includes the treatment of malaria due to "Plasmodium falciparum" that is resistant to chloroquine when artesunate is not available. While used for restless legs syndrome, it is not recommended for this purpose due to the risk of side effects. It can be taken by mouth or used intravenously. Malaria resistance to quinine occurs in certain areas of the world. Quinine is also the ingredient in tonic water that gives it its bitter taste. Common side effects include headache, ringing in the ears, trouble seeing, and sweating. More severe
Clausena anisata half maximal effective concentration (EC50) value was 74 μg/mL. The authors concluded that these results encourage further investigation of the use of this plant as complementary treatment options for ascariasis. This species is used in treating an uncommonly wide range of ailments and conditions. Decoctions of the leaves or roots are taken for gastro-intestinal disorders, fever, pneumonia, headache, hypotension, sore throat and sinusitis, venereal diseases, as an aphrodisiac and anthelmintic, as a tonic for pregnant women, and as a tonic for infants to prevent rickets and to control convulsions. Root decoctions and infusions are also taken for whooping cough, malaria,