Phensobar 30 mg/100 mg Tablet

Phenobarbitone (30mg)+ Phenytoin (100mg)

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Phensobar 30 mg/100 mg Tablet is a combination of two medicines used in the treatment and prevention of epilepsy (seizures). It controls seizures by decreasing the abnormal and excessive activity of the nerve cells in the brain.

Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 25 Nov 2025 | 03:07 PM (IST)

₹15.4 MRP ₹16.889% off

As per Ministry of Health and Family Welfare

Gurgaon

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General Information

Contains

Phenobarbitone (30mg)+ Phenytoin (100mg)

Marketer

RKG Pharma

Storage

Store below 30°C

The content is shown in English

Product introduction

Phensobar 30 mg/100 mg Tablet is taken with or without food. However, it is advised to take it at the same time each day as this helps to maintain a consistent level of medicine in the body. Take this medicine in the dose and duration advised by your doctor as its long-term use may be habit-forming. Do not skip any doses, but if you miss a dose of this medicine, take it as soon as you remember. Finish the full course of treatment even if you feel better. Stopping the medication without talking to the doctor may cause rebound seizures.

Some common side effects of this medicine include nausea, vomiting, vertigo, and double vision. It may also cause dizziness and sleepiness. So, do not drive or do anything that requires mental focus until you know how this medicine affects you. Let your doctor know if you experience severe skin rashes, especially accompanied by fever after taking this medicine. You may be asked for a regular blood tests to check the level of drug in the blood.

Your doctor should also know about all other medicines you are taking as many of these may make this medicine less effective or change the way it works. Inform your doctor if you are pregnant, planning pregnancy or breastfeeding. Be careful if you are using birth control pills as this medicine may interfere with the working of contraceptives. Let your doctor know if you are taking medicine for diabetes, as it can raise the blood sugar level.

Uses of Phensobar Tablet

Epilepsy

Benefits of Phensobar Tablet

Epilepsy
Phensobar 30 mg/100 mg Tablet slows down electrical signals in the brain which cause seizures (fits). It can also help reduce symptoms such as confusion, uncontrollable jerking movements, loss of awareness, and fear or anxiety. The medicine can allow you to do some activities that you would otherwise be forbidden or scared to do (such as swimming and driving). It can take a few weeks for this medicine to work (because the dose has to be increased slowly) and during this time you may still have seizures. Do not stop using this medicine even if you feel well, until your doctor advises you to. Missing doses may trigger a seizure.

Side effects of Phensobar Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Phensobar

Nausea
Vomiting
Vertigo
Nystagmus (involuntary eye movement)
Double vision
Sleepiness
Anemia (low number of red blood cells)
Peripheral neuropathy (tingling and numbness of feet and hand)
Gingival hypertrophy (gum enlargement)
Softening of bones
Abnormal hair growth

How to use Phensobar Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Phensobar 30 mg/100 mg Tablet may be taken with or without food.

How Phensobar Tablet works

Phensobar 30 mg/100 mg Tablet is a combination of two antiepileptic medicines: Phenobarbitone and Phenytoin. It controls seizures or fits by decreasing the abnormal and excessive activity of the nerve cells in the brain.

Quick tips

You have been prescribed Phensobar 30 mg/100 mg Tablet to treat and prevent epilepsy (seizures).
Always make sure that that you have a sufficient amount of medicine present with you.
It may increase blood sugar levels. Monitor your sugar level regularly and inform your doctor if you see a spike in your levels.
Phensobar 30 mg/100 mg Tablet may cause swollen gum (gum hypertrophy), hence take care of oral or dental hygiene.
Lifestyle changes like regular light exercise and a stress free life along with a healthy diet can help the medicine work better.

Safety advice

Alcohol

UNSAFE

It is unsafe to consume alcohol with Phensobar 30 mg/100 mg Tablet

Pregnancy

CONSULT YOUR DOCTOR

Phensobar 30 mg/100 mg Tablet is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.

Breast feeding

CONSULT YOUR DOCTOR

Phensobar 30 mg/100 mg Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
Baby should be monitored for excessive sleepiness and weight gain.

Driving

UNSAFE

Phensobar 30 mg/100 mg Tablet may cause side effects that could affect your ability to drive.

Kidney

SAFE IF PRESCRIBED

Phensobar 30 mg/100 mg Tablet is probably safe to use in patients with kidney disease. Limited data suggest dose adjustment may not be needed.

Liver

CAUTION

Phensobar 30 mg/100 mg Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

Fact Box

Habit Forming

Therapeutic Class

NEURO CNS

References

Phenobarbital. Montréal, Canada: PENDOPHARM; 2018. [Accessed 22 Apr. 2019] (online) Available from:

User feedback

What are you using Phensobar Tablet for?

Epilepsy

100%

How much was the improvement?

Average

100%

What were the side-effects while using Phensobar 30 mg/100 mg Tablet?

Vomiting

33%

Nystagmus (involuntary eye movement)

33%

Nausea

33%

How do you take Phensobar Tablet?

With food

100%

Please rate Phensobar 30 mg/100 mg Tablet on price

Expensive

67%

Average

33%

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: RKG Pharma
Address: 12th Milestone, Mathura Road, Faridabad – 121 003

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Phensobar 30 mg/100 mg Tablet

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Phensobar Tablet

Benefits of Phensobar Tablet

Side effects of Phensobar Tablet

How to use Phensobar Tablet

How Phensobar Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Fact Box

Habit Forming

Therapeutic Class

References

User feedback

What are you using Phensobar Tablet for?

How much was the improvement?

What were the side-effects while using Phensobar 30 mg/100 mg Tablet?

How do you take Phensobar Tablet?

Please rate Phensobar 30 mg/100 mg Tablet on price

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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