Drug and alcohol helpline


Phenobarbital is a medication classified as a barbiturate. It acts as a central nervous system depressant and is primarily used as an anticonvulsant to prevent or control seizures. Phenobarbital is also sometimes used as a sedative or to treat certain sleep disorders.

The exact mechanism of action of phenobarbital is not fully understood, but it is thought to enhance the activity of gamma-aminobutyric acid (GABA), a neurotransmitter that helps reduce neuronal activity in the brain. By increasing GABA activity, phenobarbital can help stabilise abnormal electrical activity in the brain that leads to seizures.

Phenobarbital is available in different forms, including tablets, elixirs, and injectable solutions. The dosage and frequency of administration will depend on the individual’s condition and response to the medication. It is important to follow the prescribed dosage and instructions provided by a healthcare professional.

While phenobarbital can be effective in controlling seizures, it also carries potential risks and side effects. Common side effects may include drowsiness, dizziness, confusion, and coordination difficulties. Long-term use of phenobarbital can lead to tolerance, dependence, and withdrawal symptoms upon discontinuation.

It is important to work closely with a healthcare professional when using phenobarbital, as they can monitor the medication’s effectiveness, adjust the dosage if needed, and provide guidance on any potential interactions or precautions. If you have any specific questions or concerns about phenobarbital or its use, it is recommended to consult with your healthcare provider.

Call us now