Are there any drug interactions between Concerta and 5mg of melatonin?

There are no dangerous interactions between Concerta and 5mg of melatonin. However, it is important to consider the timing of taking both medications. It is recommended to take Concerta early in the morning to allow the body to eliminate as much of the medication as possible before bedtime. It is also important to ensure that you are taking the minimum effective dose of both medications to minimize the risk of side effects, such as insomnia. If you have any further questions or concerns, it is best to consult with your healthcare provider.