Drug Interaction Report

Information for this minor interaction is available on the professional version.

Both smoking and excessive caffeine consumption can alter the blood levels of melatonin, which may affect the dosing. Tobacco smoking reduces, while caffeine increases melatonin blood levels. If you start smoking or undergo smoking cessation, your doctor may need to adjust the dose of melatonin. In addition, alcohol may reduce the effect of melatonin on sleep. It is best to avoid alcohol consumption during melatonin therapy. Talk to a healthcare professional if you have any questions or concerns. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Take mycophenolic acid on an empty stomach 1 hour before or 2 hours after a meal unless otherwise directed by your doctor. Food may reduce the absorption of mycophenolic acid. This will make it easier for your body to absorb the medication. Do not crush, chew, or cut the tablets. The tablets have a special coating to protect the stomach from irritation.