Read the side effects of Phenobarbital as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Most Common -
Drowsiness.
Central Nervous system -
Agitation, confusion, incoordination, depression, abnormal dream, nervousness, mental disturbance, hallucinations, sleeplessness, anxiety, dizziness and thinking abnormality.
Respiratory -
Difficulty in breathing.
Heart -
Slow heart rate, low blood pressure and fainting.
Gastrointestinal -
Nausea, vomiting and constipation.
Miscellaneous -
Headache, injection site reactions, hypersensitivity reactions such as shock, skin rashes; fever, liver damage and anemia.
Other Precautions : * Avoid excess dosage.
