Written & Compiled by Anushta Chandrapalan, M.Sc  | Medically Reviewed by The Medindia Medical Review Team
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General Information on Phenobarbitone

Generic Name : Phenobarbitone

Pronunciation : fee-noe-BAR-bi-ton

Latest prescription information about Phenobarbitone. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
ICD Code : Y47.5 | Therapeutic Classification : Anxiolytics, Sedatives And Hypnotics

Why is Phenobarbitone Prescribed? (Indications)

This medication is a barbiturate, prescribed for seizures, and treating sleep disorders.  

When should Phenobarbitone not to be taken? (Contraindications)

Contraindicated in patients with acute intermittent porphyria, severe lung insufficiency, and obstructive sleep apnea, liver and kidney disease.

What is the dosage of Phenobarbitone?

Adult- PO- The recommended dose is 30 to 60mg once daily or in divided doses.
IM/IV- The recommended dose is 100 to 200mg.

How should Phenobarbitone be taken?

It comes as a tablet to take by mouth, with or without food.

What are the warnings and precautions for Phenobarbitone?

Caution should be exercised in patients with history of depression, pain, breathing problems, suicidal tendencies, shock, drug dependency, alcoholism, any allergy, who are taking other medications, elderly, during pregnancy and breastfeeding.

It may cause dizziness, drowsiness, or lightheadedness, do not drive a car or operate machinery while taking this medication.

Avoid alcohol consumption.

It should not be used in children less than 12 years.

What are the side effects of Phenobarbitone?

   Central Nervous system : Agitation, confusion, involuntary movements, incoordination, CNS depression, nightmares, nervousness, mental disturbance, hallucinations, sleeplessness, anxiety, drowsiness, and dizziness and thinking abnormality.
   Respiratory : Difficulty in breathing or shortness of breath.
   Heart : Slow heart rate, low blood pressure and fainting.
   Gastrointestinal : Nausea, vomiting and constipation.
   Miscellaneous : Headache, injection site reactions, hypersensitivity reactions, fever, liver damage and anemia.

What are the other precautions for Phenobarbitone?

Avoid excess dosage.

What are the storage conditions for Phenobarbitone?

Store it at room temperature (25C).

Schedule : X

Narcotic and Psychotropic drugs which cannot be sold without the prescription of a Registered Medical Practitioner.

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Winb143, United Kingdom

I have been on phenobarbitone since I was 14 [epilepsy] they/Docs have tried me on other drugs but they they had side effects. Epanutin was awful it made my gums shrink so I lost 2 teeth. I am now on Keppra which I want to down to 500 per day but Doc has said no as I haven't had a seizure in 4 years Good luck All and try not to let them bully us, as we know what suits our bodies xx

mandygenfi, Ghana

can i take phenobab to reduce my high bilirubin level?

debbie52, United Kingdom

i was on it aged 7 - 13 when i took an overdose. unfortunately i have no memory of anything even my daughters wedding and special occasions, im so sad. can i have anything to cure this?

olapade, Nigeria

i used one tablet of phenobarbitone and i had swellings and rashes all over joints and inflammation

AbdulRazzaqMPharm, India

mood changes and impairment of cogition and memory , nystagmus , ataxia , hypothermia and reduced ploasma levels are also observed as the side effects of phenobarbitone injection.
abdul razzaq gulbarga

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