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Phenobarbital: Chemical Structure, Mechanism of Action, Uses & Side Effects

Chemical Structure:

  • C12H12N2O3

Chemical Structure
Chemical Structure

Mechanism of Action:

  • Phenobarbital is a barbiturate that enhances GABA activity, producing sedative, hypnotic, and anticonvulsant effects.

Uses:

  • It is primarily used to control seizures.

  • It's also used to treat neonatal withdrawal and in some cases, for short-term treatment of insomnia.

Side Effects:

  • Potential side effects include drowsiness, dizziness, and, in rare cases, paradoxical hyperactivity in children. Long-term use can lead to physical dependence.

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