Drug Interaction Report

PHENobarbital may reduce the blood levels of remdesivir, which could make the medication less effective in treating viral infections such as COVID-19. Your doctor may already be aware of this interaction, but has determined that this is the best course of treatment for you and is monitoring you closely for any potential complications. Talk to your doctor 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.

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.