Controlled Substance


Therapeutic Category

  • Anticonvulsant
  • Barbiturate

Usage of Phenobarbital

Management of generalized tonic-clonic (grand mal) and partial seizures; sedative

Side Effects of Phenobarbital

  • Restless muscle movements in your eyes, tongue, jaw, or neck;
  • Slow heartbeat, shallow breathing;
  • Feeling light-headed, fainting;
  • A fever or a sore throat;
  • Sores in your mouth;
  • Easy bruising or bleeding; or
  • Broken blood vessels under your skin.