Quinine is a bitter compound that comes from the bark of the cinchona tree. It was originally developed as a medicine to fight malaria. The tree is most commonly found in South America, Central ...

Quinine is widely used to treat leg cramps in the elderly. 1 Its use has long been associated with thrombocytopenia. 2 We report a case of quinine-induced thrombocytopenia manifesting with a ...