Cinchonism in a patient taking Quinine for leg cramps.

Quinine is often used as a treatment for benign nocturnal cramps. The use of Quinine remains controversial with conflicting studies regarding its efficacy. Quinine has a side effect profile that cannot be ignored. Cinchonism, or quinine toxicity, includes nausea, vomiting, and tinnitus. Many other side effects have been reported in the literature. A case report demonstrating the side effects of quinine is presented. We briefly review the literature on quinine and alternative medications.