Omstat 10mg Tablet

Trimethoprim (10mg)

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Omstat 10mg Tablet is an antibiotic medicine used to treat bacterial infections in your body. It helps to kill germs (bacteria) that cause various types of infections like infections of the urinary tract and respiratory tract.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 13 Feb 2026 | 04:08 AM (IST)

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General Information

Contains

Trimethoprim (10mg)

Marketer

Cell Cure Pharmaceuticals Llp

Storage

Store below 30°C

The content is shown in English

Product introduction

Omstat 10mg Tablet should be taken in the dose and duration as advised by the doctor. You may take it with or without food. It is better to have this medicine at the same time each day to get the most benefit and you should keep on taking this medicine for as long as you are prescribed. Stopping it early may make the infection to come back and harder to treat.

Some people may develop side effects like vomiting and headache. These side effects are usually temporary and go away during treatment as your body adjusts to the medicine. Consult your doctor if these side effects bother you or do not go away.

Before starting treatment with this medicine, you should tell your doctor if you are pregnant, breastfeeding or suffering from any liver, kidney or heart problems or if you are allergic to any medicine. Your doctor may get regular blood, urine tests while you are on this medication.

Uses of Omstat Tablet

Bacterial infections

Benefits of Omstat Tablet

Bacterial infections
Omstat 10mg Tablet works by stopping the growth of the bacteria that cause infections of the urinary tract or respiratory tract. This medicine usually makes you feel better quite quickly. However, you should continue taking it as long as it is prescribed even when you feel better, to make sure that all bacteria are killed and do not become resistant.

Side effects of Omstat 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 Omstat

Rash
Phototoxicity
Itching

How to use Omstat 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. Omstat 10mg Tablet may be taken with or without food.

How Omstat Tablet works

Omstat 10mg Tablet is an antibiotic. It works by preventing synthesis of essential proteins required by bacteria to carry out vital functions. Thus, it stops the bacteria from growing, and prevents the infection from spreading.

Quick tips

Your doctor has prescribed Omstat 10mg Tablet to cure your infection and improve your symptoms.
Do not skip any doses and finish the full course of treatment even if you feel better. Stopping it early may make the infection to come back and harder to treat.
Your doctor will ensure that you are well hydrated during treatment with this medicine.
Your doctor may get regular blood, urine tests while you are on this medication.
Do not take Omstat 10mg Tablet if you are pregnant or breastfeeding.
Discontinue Omstat 10mg Tablet and inform your doctor immediately if you get a rash, itchy skin, swelling of face and mouth, or have difficulty in breathing.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Omstat 10mg Tablet. Please consult your doctor.

Pregnancy

SAFE IF PRESCRIBED

Omstat 10mg Tablet is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.

Breast feeding

CONSULT YOUR DOCTOR

Omstat 10mg 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.
There may be a possibility of skin rash in the baby.

Driving

CONSULT YOUR DOCTOR

It is not known whether Omstat 10mg 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

CAUTION

Omstat 10mg Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Use of Omstat 10mg Tablet is not recommended in patients with severe kidney disease.

Liver

UNSAFE

Omstat 10mg Tablet is unsafe to use in patients with liver disease and should be avoided.
Use of Omstat 10mg Tablet is not recommended in patients with the severe liver disease.

Interaction with drugs

Taking Omstat with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Severe

Telmisartan (Oral Route)

Do not consume Telmisartan with Trimethoprim. If concurrent use is essential, please consult your doctor. They may monitor your potassium levels closely.

Severe

Losartan (Oral Route)

Do not consume Losartan with Trimethoprim. If concurrent use is essential, please consult your doctor. They may monitor your potassium levels closely.

Severe

Olmesartan Medoxomil (Oral Route)

Do not consume Olmesartan Medoxomil with Trimethoprim. If concurrent use is essential, please consult your doctor. They may monitor your potassium levels closely.

Severe

Ramipril (Oral Route)

Do not consume Ramipril with Trimethoprim. If concurrent use is essential, please consult your doctor. They may monitor your potassium levels closely.

Severe

Irbesartan (Oral Route)

Do not consume Irbesartan with Trimethoprim. If concurrent use is essential, please consult your doctor. They may monitor your potassium levels closely.

Frequently asked questions

How long does Omstat 10mg Tablet takes to work?

Usually, Omstat 10mg Tablet starts working soon after taking it. However, it may take some days to kill all the harmful bacteria and make you feel better.

What if I don't get better after using Omstat 10mg Tablet?

Inform your doctor if you don't feel better after finishing the full course of treatment. Also, inform him if your symptoms are getting worse while using this medicine.

Can I stop taking Omstat 10mg Tablet when my symptoms are relieved?

No, do not stop taking Omstat 10mg Tablet and complete the full course of treatment even if you feel better. Your symptoms may improve before the infection is completely cured.

Fact Box

Chemical Class

Anisoles

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Action Class

Sulphonamides

Related lab tests

Complete Blood Count

Peripheral Smear Examination

References

Petri WA Jr. Sulfonamides, Trimethoprim-Sulfamethoxazole, Quinolones, and Agents for Urinary Tract Infections. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 1468-70.
Chambers HF, Deck DH. Sulfonamides, Trimethoprim, & Quinolons. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 817-19
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1406-409.
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-98. [Accessed 31 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 31 Mar. 2019] (online) Available from:
Trimethoprim. Alphapharm Pty Ltd.; [Accessed 13 Feb. 2026] (online). Available from:

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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: Cell Cure Pharmaceuticals Llp
Address: 1, Ground Floor, Chandrapushpa, Ghatkopar West, Mumbai - 400086, Below Metro Station Ghatkopar West

Vendor Details

Country of origin: India

Lab tests offered by us

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Omstat 10mg Tablet

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Omstat Tablet

Benefits of Omstat Tablet

Side effects of Omstat Tablet

How to use Omstat Tablet

How Omstat Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Telmisartan (Oral Route)

Losartan (Oral Route)

Olmesartan Medoxomil (Oral Route)

Ramipril (Oral Route)

Irbesartan (Oral Route)

Frequently asked questions

How long does Omstat 10mg Tablet takes to work?

What if I don't get better after using Omstat 10mg Tablet?

Can I stop taking Omstat 10mg Tablet when my symptoms are relieved?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Complete Blood Count

Peripheral Smear Examination

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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