How long does phenobarbital stay in your system?
The Checkup by Singlecare
MAY 5, 2025
Phenobarbital belongs to a drug class called barbiturates , which are primarily used as seizure medications. Barbiturates are sedative-hypnotic medications, meaning they help you feel sleepy and relaxed. Phenobarbital is FDA approved to prevent and treat several types of seizure disorders, including epilepsy and status epilepticus. The anti-epileptic is also used in addiction treatment for the management of withdrawal symptoms associated with benzodiazepine and alcohol dependence.
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