Phenobarbital



  • Manufactured by:
  • Contains / Salt: Phenobarbital


Phenobarbital Information



Phenobarbital Benefits & Uses

Phenobarbital is used to treat the following -

Main Benefits

Other Benefits

Phenobarbital 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

Age Group Dosage
Adult
  • Disease: Epilepsy
  • Before or After Meal: Either
  • Single Maximum Dose: 1 mg/kg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 2 daily
  • Course Duration: As directed by the doctor
  • Special Instructions: As prescribed by the doctor
Geriatric
  • Disease: Epilepsy
  • Before or After Meal: Either
  • Single Maximum Dose: 1 mg/kg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 2 daily
  • Course Duration: As directed by the doctor
  • Special Instructions: As prescribed by the doctor
13 - 18 years (Adolescent)
  • Disease: Epilepsy
  • Before or After Meal: Either
  • Single Maximum Dose: 1 mg/kg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 2 daily
  • Course Duration: As directed by the doctor
  • Special Instructions: As prescribed by the doctor
2 - 12 years (Child)
  • Disease: Epilepsy
  • Before or After Meal: Either
  • Single Maximum Dose: 3 mg/kg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 2 daily
  • Course Duration: As directed by the doctor
  • Special Instructions: As prescribed by the doctor
Infant (1 month to 2 years)
  • Disease: Epilepsy
  • Before or After Meal: Either
  • Single Maximum Dose: 4 mg/kg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 2 daily
  • Course Duration: As directed by the doctor
  • Special Instructions: As prescribed by the doctor
Neonates (0 to 1 month)
  • Disease: Epilepsy
  • Before or After Meal: Either
  • Single Maximum Dose: 4 mg/kg
  • Dosage Form: Tablet
  • Dosage Route: Oral
  • Frequency: 1 daily
  • Course Duration: As directed by the doctor
  • Special Instructions: As prescribed by the doctor


Phenobarbital Side Effects

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

Severe

  • Drowsiness

Moderate

Mild

  • Diarrhoea
  • Photosensitivity

Common

Phenobarbital Related Warnings

  • Is the use of Phenobarbital safe for pregnant women?


    Phenobarbital can cause unwanted side effects in pregnant women. If you experience any side effects, stop taking Phenobarbital right away. Take your doctor's advice before taking it again.

    Moderate
  • Is the use of Phenobarbital safe during breastfeeding?


    Women who are breastfeeding, may experience serious side effects after taking Phenobarbital. So it is adviced to consult the doctor before using it.

    Severe
  • What is the effect of Phenobarbital on the Kidneys?


    Very few cases of side effects of Phenobarbital on kidney have been reported.

    Mild
  • What is the effect of Phenobarbital on the Liver?


    Phenobarbital may have mild side effects on the liver. Most people will never see any effect on the liver.

    Mild
  • What is the effect of Phenobarbital on the Heart?


    Phenobarbital has very mild side effects on the heart.

    Mild


Severe Interaction of Phenobarbital with Other Drugs

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

Severe

Moderate

Mild



Phenobarbital Contraindications

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



Frequently asked Questions about Phenobarbital

  • Is this Phenobarbital habit forming or addictive?


    Yes, you can get addicted to Phenobarbital. It is essential that you take [medicine] only after doctor's recommendation.

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


    After taking Phenobarbital you may feel sleepy. So it is not advised to perform these activities.

    Dangerous
  • Is it safe?


    Phenobarbital is safe but it is important to consult a doctor before taking it.

    Safe, but take only on Doctor's advise
  • Is it able to treat mental disorders?


    Yes, taking Phenobarbital can treat mental disorders.

    Yes

Phenobarbital Interactions with Food and Alcohol

  • Interaction between Food and Phenobarbital


    Taking Phenobarbital with food does not harm your health.

    Safe
  • Interaction between Alcohol and Phenobarbital


    Taking Phenobarbital with alcohol can have severely harmful effects on your health.

    Severe


Frequently asked Questions about Phenobarbital

Question over 4 years ago

Is Phenobarbital addictive?

Dr. Abhijit MBBS , General Physician

Yes, Long-term use of Phenobarbital might result in psychological and physiological dependence (addiction). Hence its long-term use should be avoided.

Question about 5 years ago

How long can I safely take Phenobarbital?

Dr. Faisal Mukhtar MBBS, PG Dip, DNB , Ophthalmology

The duration of treatment might vary depending upon the patient's medical condition. You are advised to take it as per your doctor's advice. Do not take it longer than prescribed by your doctor to avoid unpleasant side effects.

Question over 4 years ago

Can I take Phenobarbital with benadryl?

Dr. Ayush Pandey MBBS, PG Diploma , General Physician

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

Question about 4 years ago

Can I take clonazepam and Phenobarbital together?

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

No, Phenobarbital 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.

Question over 4 years ago

Can Phenobarbital help with alcohol withdrawal?

Dr. Prakash kumar MBBS , General Physician

Yes, Phenobarbital might help with severe alcohol withdrawal symptoms. Scientific evidence suggests that Phenobarbital 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 Phenobarbital by yourself without consulting a doctor.



See all substitutes for Phenobarbital


This medicine data has been created by -

Vikas Chauhan

B.Pharma, Pharmacy
5 Years of Experience


References

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



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