A-Z Indexes

Food

Health Guides

Health News

Phenobarbital

Missed Dose

If you are taking this medication to prevent seizures and miss a dose, take it as soon as you remember unless it is almost time for the next dose. In that case, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.

Overdose

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call 1-800-222-1222. Canada residents can call 1-844-764-7669. Symptoms of overdose may include: severe tiredness/dizziness, inability to wake up, very slow breathing rate.