What Are The Negative Effects Of Melatonin?
What Are The Negative Effects Of Melatonin? Anticoagulants and anti-platelet drugs. Anticonvulsants. Contraceptive drugs. Diabetes medications. Medications that suppress the immune system (immunosuppressants) Who should not use melatonin? Because melatonin can cause daytime drowsiness, don’t drive or use machinery within five hours of taking the supplement. Don’t use melatonin if you have an autoimmune disease.