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
Tonic (music) atonal context, often acting as axis or line of symmetry in an interval cycle. Pitch centricity was coined by Arthur Berger in his "Problems of Pitch Organization in Stravinsky". The tonic diatonic function includes 4 separate activities or roles as the principal goal tone, initiating event, generator of other tones, and the stable center neutralizing the tension between dominant and subdominant Tonic (music) In music, the tonic is the first scale degree of a diatonic scale (the first note of a scale) and the tonal center or final resolution tone that is commonly used in the final cadence in tonal