Read the side effects of Phenobarbitone as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Central Nervous system
Agitation, confusion, involuntary movements, incoordination, CNS depression, nightmares, nervousness, mental disturbance, hallucinations, sleeplessness, anxiety, drowsiness, and dizziness and thinking abnormality.
Difficulty in breathing or shortness of breath.
Slow heart rate, low blood pressure and fainting.
Nausea, vomiting and constipation.
Headache, injection site reactions, hypersensitivity reactions, fever, liver damage and anemia.
Other Precautions :
* Avoid excess dosage.