OB 40mg Tablet

Otilonium Bromide (40mg)

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OB 40mg Tablet is a prescription medicine used in the treatment of irritable bowel syndrome (symptoms include abdominal pain, cramping, bloating, and diarrhea or constipation). This medicine exerts an intense antispasmodic effect on the smooth muscles of the digestive tract.

Written By Dr. Lipika Khurana, PGDHHM, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 25 Nov 2025 | 03:05 PM (IST)

₹136 MRP ₹1509% off

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General Information

Contains

Otilonium Bromide (40mg)

Marketer

Atyad Life Sciences Pvt Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

OB 40mg Tablet is taken after meals in a dose and duration as advised by the doctor. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your doctor know about all other medications you are taking as some may affect, or be affected by this medicine.

The most common side effects are headache, dizziness, nausea, vomiting, and stomach pain. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. 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. Avoid drinking alcohol while taking this medicine as it can worsen your sleepiness.

Pregnant or breastfeeding women should also consult their doctor before taking this medicine. You should let your doctor know if you have liver and kidney problems.

Uses of OB Tablet

Irritable bowel syndrome

Benefits of OB Tablet

Irritable bowel syndrome
Irritable bowel syndrome is a chronic (long-term) inflammatory disease of the large intestine (colon) that usually needs long term management. This can lead to bleeding, frequent diarrhea, bloating, flatulence, cramps and stomach pain. OB 40mg Tablet relaxes the muscles in your stomach and gut (intestine) and relieves these symptoms effectively. Usually, it is used along with other medicines for management of your condition.

Side effects of OB 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 OB

Headache
Nausea
Dizziness
Vomiting

How to use OB 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. OB 40mg Tablet is to be taken on an empty stomach.

How OB Tablet works

OB 40mg Tablet exerts an intense antispasmodic effect on the smooth muscles of the digestive tract. This helps to relieve the symptoms of Irritable bowel syndrome (IBS) such as abdominal pain, cramping, bloating, etc.

All substitutes for OB 40mg Tablet

For information purposes only. Consult a doctor before taking any medicine.

MenocTYL Tablet

by A. Menarini India Pvt Ltd

₹16.4/tablet

21% costlier

Obgram 40 Tablet

by Ingram Biosciences Pvt Ltd

₹15.1/tablet

11% costlier

Quick tips

OB 40mg Tablet is used in the treatment of irritable bowel syndrome.
It must be taken on an empty stomach.
Take it as per dose and duration suggested by your doctor.
Do not take indigestion remedies (antacids) within two hours of taking OB 40mg Tablet.
Do not stop taking medication without talking to your doctor first.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with OB 40mg Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

OB 40mg 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

OB 40mg 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.

Driving

CONSULT YOUR DOCTOR

It is not known whether OB 40mg Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.

Kidney

CONSULT YOUR DOCTOR

There is limited data available on the use of OB 40mg Tablet in patients with kidney disease. Please consult your doctor.

Liver

CONSULT YOUR DOCTOR

There is limited data available on the use of OB 40mg Tablet in patients with liver disease.

Frequently asked questions

What is OB 40mg Tablet used for?

OB 40mg Tablet is used for the treatment of irritable bowel syndrome (IBS) and painful spasms in the lower part of the intestine. It helps relieve abdominal pain, bloating, and bowel movement problems.

Is OB 40mg Tablet effective for IBS with diarrhea or constipation?

Yes, studies show that OB 40mg Tablet is effective in reducing abdominal pain, bloating, and abnormal bowel habits in IBS, including cases with diarrhea or constipation.

Does OB 40mg Tablet cure irritable bowel syndrome permanently?

OB 40mg Tablet does not cure IBS permanently. It helps manage and control the symptoms, but lifestyle changes, such as diet and stress management, remain important for long-term relief.

Who should not take OB 40mg Tablet?

OB 40mg Tablet should not be taken by people if they are allergic to otilonium bromide or any of the ingredients in the medicine, including lactose. People with rare sugar absorption problems, such as galactose intolerance or glucose-galactose malabsorption, should also avoid it.

Is OB 40mg Tablet safe for children?

No, OB 40mg Tablet is not recommended for children under 18 years of age because safety and effectiveness in this group have not been established.

What precautions should be taken before using OB 40mg Tablet?

OB 40mg Tablet should be used with caution if you have glaucoma, prostate enlargement, or pyloric stenosis (narrowing of the opening between the stomach and the small intestine). Always inform your doctor about any medical conditions before starting the medicine.

What are the serious side effects of OB 40mg Tablet?

Serious side effects of OB 40mg Tablet are rare, but some people may experience allergic reactions, such as rash, itching, swelling of the face or throat, or difficulty breathing. These require immediate medical attention.

Can OB 40mg Tablet cause dizziness or affect driving?

OB 40mg Tablet has little or no effect on your ability to drive or operate machines. However, if you experience dizziness or vertigo, you should avoid driving until you feel better.

Fact Box

Chemical Class

Benzamide derivative

Habit Forming

Therapeutic Class

GASTRO INTESTINAL

Action Class

Anticholinergics

Related lab tests

Complete Blood Count

References

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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: Atyad Life Sciences Pvt Ltd
Address: SCF 241, 1st Floor, New Motor Market Manimajra, New Motor Market, Sector 5,Chandigarh

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

OB 40mg Tablet

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of OB Tablet

Benefits of OB Tablet

Side effects of OB Tablet

How to use OB Tablet

How OB Tablet works

All substitutes for OB 40mg Tablet

MenocTYL Tablet

Obgram 40 Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is OB 40mg Tablet used for?

Is OB 40mg Tablet effective for IBS with diarrhea or constipation?

Does OB 40mg Tablet cure irritable bowel syndrome permanently?

Who should not take OB 40mg Tablet?

Is OB 40mg Tablet safe for children?

What precautions should be taken before using OB 40mg Tablet?

What are the serious side effects of OB 40mg Tablet?

Can OB 40mg Tablet cause dizziness or affect driving?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Complete Blood Count

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests