Drug Interaction Report

Using doxepin topical together with PHENobarbital can cause either medication to be less effective. This could be especially dangerous if you are using PHENobarbital to prevent seizures. Talk to your doctor before using these medications together. You may need a dose adjustment or special tests to safely take these medications together. 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.

Ask your doctor before using PHENobarbital together with ethanol (alcohol), this can add to dizziness, drowsiness and other side effects of PHENobarbital. Be careful if you drive or do activities that require you to be awake and alert. Talk with your doctor before using any medications together, or drinking alcohol with PHENobarbital. 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.