Phenobarbital 100 mg x 100 units pills
Phenobarbital is in a group of drugs called barbiturates (bar-BIT-chur-ates). Phenobarbital slows the activity of your brain and nervous system.
Phenobarbital is used to treat or prevent seizures. It is also used short-term to treat insomnia, or as a sedative before surgery.
Phenobarbital may also be used for other purposes not listed in this medication guide.
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