What are the possible side effects of Melatonin (Melatonin (Generic))?
Although uncommon, allergic reactions to melatonin have been reported. Stop taking melatonin and seek emergency medical attention if you experience symptoms of a serious allergic reaction including difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives. Other less serious side effects have also been reported. Talk to your doctor or pharmacist if you experience headache drowsiness; or stomach upset Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.