Drug Interaction Report

Using PHENobarbital together with quiNINE may affect the blood levels and effects of both medications. Specifically, PHENobarbital levels may increase and quiNINE levels may decrease. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Let your doctor know if your conditions worsen or you experience increased side effects of PHENobarbital such as drowsiness, dizziness, vision problems, incoordination, and shallow or difficult breathing. 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.

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