Phenobarbitone - Drug Information

Generic Name : Phenobarbitone | Pronunciation : fee-noe-BAR-bi-ton
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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
Drug Information

Trade Name(s): 

India- Phenobarbitone, Epinil, Lumnial, Phenobarb, Epigard, Epitan, Fenobarb, Emgard, Phenetone, Epinil, G 30, Shenobar, Epikon, Shinosun, Barbee, G-60, Barbinol, Epikon, Gardenal, Gee, Phenobarbitone Sodium Inj.

Why it is prescribed : 

This medication is a barbiturate, prescribed for seizures, and treating sleep disorders.  It works by slowing the activity in the brain.

When it is not to be taken (Contraindications): 

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

Pregnancy Category :






Category D :

There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

Dosage & When it is to be taken (Indications): 

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 it should be taken : 

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

Warnings and Precautions : 

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.

Side Effects : 

   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.

Storage Conditions : 

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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