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Phenobarb Information

Phenobarb Benefits & Uses

Phenobarb is used to treat the following -

  1. Epilepsy Primary
  2. Epilepsy
  3. Insomnia

Phenobarb Dosage & How to Take

This is the usual dosage recommended in most common treatment cases. Please remember that every patient and their case is different, so the dosage can be different based on the disease, route of administration, patient's age and medical history.

Find the right dosage based on disease and age

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Ingredients of Phenobarb


Phenobarb Side Effects

Based on research, the following side effects have been observed when Phenobarb is used -

  1. Drowsiness
  2. Skin Rash Moderate
  3. Nausea or vomiting
  4. Diarrhoea
  5. Vertigo translation missing: en.common
  6. Depression Moderate
  7. Constipation Moderate
  8. Photosensitivity
  9. Bronchospasm
  10. Angioedema Moderate

Phenobarb Related Warnings

Is the use of Phenobarb safe for pregnant women?

Phenobarb may cause moderate side effects during pregnancy. If you feel its harmful effects, then stop taking this drug immediately, and do not take Phenobarb again without your doctor's advice.


Is the use of Phenobarb safe during breastfeeding?

Phenobarb should not be taken without first taking your doctor's advice, as it may severe side effects for breastfeeding women.


What is the effect of Phenobarb on the Kidneys?

Phenobarb is rarely harmful for [Organ].


What is the effect of Phenobarb on the Liver?

Phenobarb is rarely harmful for [Organ].


What is the effect of Phenobarb on the Heart?

Phenobarb has very mild side effects on the [Organ].


Severe Interaction of Phenobarb with Other Drugs

Phenobarb should not be taken with following medicines due to severe side effects it may cause to patients -

Phenobarb Contraindications

If you are suffering from any of the following diseases, you should not take Phenobarb unless your doctor advises you to do so -

  1. Allergy
  2. Depression
  3. Bradycardia (Slow Heart Rate)
  4. Respiratory Depression
  5. Liver Disease
  6. Porphyria
  7. Heart Disease

Frequently asked Questions about Phenobarb

Is this Phenobarb habit forming or addictive?

Yes, there is a possibility of developing a habit of Phenobarb. Talk to doctor before taking it.

Is it safe to drive or operate heavy machinery when consuming?

After taking Phenobarb, you should not drive or work on any heavy machine. It can be dangerous, as Phenobarb can make you drowsy.

translation missing: en.dangerous

Is it safe?

Yes, but you should take Phenobarb only as per your doctor's advice.

Safe, but take only on Doctor's advise

Is it able to treat mental disorders?

Yes, this Phenobarb works for mental disorders.

translation missing: en.yes

Phenobarb Interactions with Food and Alcohol

Interaction between Food and Phenobarb

Taking Phenobarb with food is safe.


Interaction between Alcohol and Phenobarb

Consumption of alcohol and Phenobarb together may have severe effects on your health.


Phenobarb से जुड़े सवाल और जवाब

सवाल 11 months पहले

Can I take Phenobarb without consulting a doctor?

Dr. Sameer Awadhiya MBBS, Pediatrics

No, Phenobarb is a prescription drug so do not take it without consulting a doctor. It can be harmful for the patient to take this drug without a doctor's recommendation.

सवाल about 1 month पहले

Can I take clonazepam and Phenobarb together?

Dr. Braj Bhushan Ojha BAMS, Gastroenterology, Dermatology, Psychiatry, Ayurveda, Sexology, Diabetology

No, Phenobarb should not be taken with clonazepam. Taking these drugs together is more likely to increases the sedative (drowsiness) effect. Hence, you are advised to avoid taking them together.

सवाल 9 months पहले

Does Phenobarb cause constipation?

Dr. Haleema Yezdani MBBS, General Physician

Yes, Phenobarb can cause constipation in a few cases only. It is an uncommon side effect of this drug. The exact cause behind it is unknown. If you are experiencing constipation after taking this drug then try to take laxative such as Isabgol and eat less spicy highly fibrous food.

सवाल 8 months पहले

Can Phenobarb help with alcohol withdrawal?

Dr. Prakash kumar MBBS, General Physician

Yes, Phenobarb might help with severe alcohol withdrawal symptoms. Scientific evidence suggests that Phenobarb in combination with other drugs (benzodiazepines) might help with severe alcohol withdrawal symptoms. Since it is a prescription drug, you are advised not to take Phenobarb by yourself without consulting a doctor.

सवाल about 1 year पहले

How to take Phenobarb?

Dr. Surender Kumar MBBS, General Physician

Take Phenobarb as advised by your doctor. It can be taken with or without food because the presence of food does not affect the absorption of this drug. Precautions must be taken in patients with depression, respiratory disease, and improper liver or kidney function.

This medicine data has been created by -
Md Saadullah
M.Pharma, Pharmacy
3 Years of Experience
View Doctor Profile
Vikas Chauhan
B.Pharma, Pharmacy
2 Years of Experience
View Doctor Profile

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  1. April Hazard Vallerand, Cynthia A. Sanoski. [link]. Sixteenth Edition. Philadelphia, China: F. A. Davis Company; 2019: Page No 85-87