Nac-TH 4mg Tablet

Written By Dr. Lipika Khurana, PGDHHM, BDS

Reviewed By Dr. Mekhala Chandra, MD, MBBS

Last updated on 20 Jan 2026 | 12:45 PM (IST)

Nac-TH 4mg Tablet is a combination medicine that helps in relieving muscular pain. It works by blocking the release of certain chemical messengers that cause pain, inflammation, and fever. This improves the movement of muscles and provides relief from pain and discomfort.

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General Information

Contains

Thiocolchicoside (4mg)+ Aceclofenac (100mg)+ Paracetamol (325mg)

Marketer

Revival Healthcare

Storage

Store below 25°C

The content is shown in English

Product introduction

Nac-TH 4mg Tablet can be taken with or without food. This will prevent you from getting an upset stomach. The dose and duration will depend on the severity of your condition. You should keep taking the medicine even if you feel better until the doctor says it is alright to stop using it.

Using this medicine may cause few common side effects such as nausea, vomiting, heartburn, stomach pain, diarrhea, loss of appetite, and dryness in the mouth. If any of these side effects do not resolve with time or get worse, you should let your doctor know. Your doctor may be able to suggest ways of preventing or reducing the side effects. In general, you should try to use the smallest amount necessary to control your symptoms.

Before using the medicine, you should tell your doctor if you have any other medical conditions or disorders. To make sure it is safe, you should let your doctor know all the other medicines you are taking. Also, tell your doctor if you have any problems with your liver or kidneys. You should avoid the consumption of alcohol while on treatment with this medicine. Pregnant and breastfeeding women should consult their doctors first before using the medicine.

Uses of Nac-TH Tablet

Treatment of Muscular pain

Benefits of Nac-TH Tablet

Treatment of Muscular pain
Nac-TH 4mg Tablet is a combination of one muscle relaxant and two pain relievers.
Nac-TH 4mg Tablet works by causing the muscles to become less stiff. It also blocks the action of certain chemicals that causes pain and swelling in the muscles. Altogether, it helps in easy movement. Nac-TH 4mg Tablet can help you do your daily activities without any problem. It is advisable to continue taking Nac-TH 4mg Tablet until your doctor advises you to stop.

Side effects of Nac-TH 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 Nac-TH

Nausea
Vomiting
Heartburn
Stomach pain
Diarrhea
Loss of appetite
Dryness in mouth

How to use Nac-TH 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. Nac-TH 4mg Tablet may be taken with or without food.

How Nac-TH Tablet works

Nac-TH 4mg Tablet is a combination of a muscle relaxant (Thiocolchicoside) and two pain relievers (Aceclofenac, Paracetamol). The muscle relaxant works on the centers in the brain and spinal cord to relieve muscle stiffness or spasm and improve movement of muscles. The pain relievers work by blocking the release of certain chemical messengers in the brain that cause pain and inflammation (redness and swelling).

All substitutes for Nac-TH 4mg Tablet

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

Quick tips

You have been prescribed Nac-TH 4mg Tablet to relieve pain due to muscle spasm.
This medicine is most effective when taken along with proper rest and physical therapy.
Avoid consuming alcohol when taking Nac-TH 4mg Tablet as it may cause excessive drowsiness and increase the risk of liver damage.
Older adults may have increased drowsiness, confusion, and higher risk of falling as a result of taking Nac-TH 4mg Tablet.
Do not take it with any other medicine containing acetaminophen (drugs for pain/fever or cough-and-cold) without asking your doctor first.

Safety advice

Alcohol

UNSAFE

Do not drink alcohol while you are taking this medicine. Nac-TH 4mg Tablet may cause excessive drowsiness when taken with alcohol.

Pregnancy

UNSAFE

Nac-TH 4mg Tablet is highly unsafe during pregnancy. It can cause serious harm to the unborn baby, including birth defects and pregnancy loss. Do not use this medicine if you are pregnant or planning to become pregnant.

Breast feeding

CONSULT YOUR DOCTOR

Nac-TH 4mg 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

UNSAFE

Nac-TH 4mg Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Nac-TH 4mg Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.

Liver

UNSAFE

Nac-TH 4mg Tablet is unsafe to use in patients with liver disease and should be avoided.

Frequently asked questions

Can the use of Nac-TH 4mg Tablet be stopped when my pain is relieved?

Nac-TH 4mg Tablet is usually used for short term and can be discontinued when the pain is relieved. However, Nac-TH 4mg Tablet should be continued if advised by the doctor.

Are there any specific contraindications associated with the use of Nac-TH 4mg Tablet?

The use of Nac-TH 4mg Tablet is considered to be harmful for patients with known allergy to painkillers or any of the components or excipients of this medicine. The use of this medicine should preferably be avoided in patients with a history of stomach ulcers or in patients with active, recurrent stomach ulcer/bleeding. It should also be avoided in patients with a history of heart failure, high blood pressure, and liver or kidney disease.

Can Nac-TH 4mg Tablet be taken with vitamin B-complex?

Yes, Nac-TH 4mg Tablet can be taken with vitamin B-complex preparations. While Nac-TH 4mg Tablet helps to relieve pain, vitamin B-complex can help to correct the vitamin deficiency that might be causing your symptoms.

Can the use of Nac-TH 4mg Tablet cause damage to kidneys?

Yes, the long-term use of Nac-TH 4mg Tablet can cause damage to the kidneys. Normal kidneys produce a chemical called prostaglandins that protects them from damage. Use of painkillers lowers the levels of prostaglandins in the body leading to kidney damage on long-term use. Use of painkillers is not recommended to patients with underlying kidney disease.

Will Nac-TH 4mg Tablet be more effective if taken in higher doses?

No, taking more of this medicine will not make it more effective, rather it can lead to increased side effects. If the symptoms are getting severe, please consult the doctor for re-evaluation.

Can the use of Nac-TH 4mg Tablet cause damage to liver?

Nac-TH 4mg Tablet contains Paracetamol. These medicines are known to cause harm to the liver especially in the doses above the recommended level. Also, avoid drinking alcohol while taking this medicine, as it may further increase your risk of liver damage. Use of this medicine should preferably be avoided in patients with underlying liver disease. Contact your doctor immediately if you notice any early signs and symptoms of liver damage. These symptoms may include fever, rash, loss of appetite, nausea, vomiting, fatigue, stomach pain, dark urine, yellow skin or eyes and abnormal liver enzymes.

What are the instructions for storage and disposal of Nac-TH 4mg Tablet?

Keep this medicine in the container or the pack it came in, tightly closed. Store it according to the instructions mentioned on the pack or label. Dispose of the unused medicine. Make sure it is not consumed by pets, children and other people.

Fact Box

Habit Forming

Therapeutic Class

PAIN ANALGESICS

Related lab tests

Creatinine Kinase

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: Revival Healthcare
Address: JAYPEE GREENS FLAT NO 1403, 14TH FLOOR , TOWER-1, MOON COURT, G-BLOCK GREATER NOIDA, DISTT. GAUTAM BUDH NAGAR (U.P)

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Nac-TH 4mg Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

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Why we need a prescription?

Provide right medicines

Prescriptions are complex documents. We proof read and recheck at various steps to provide you the right medication in the correct form and dose

In accordance with the law

Most medicines cannot be sold without a valid prescription, as per the Drugs and Cosmetics Act, 1940 and Rules, 1945

Nac-TH 4mg Tablet

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Nac-TH Tablet

Benefits of Nac-TH Tablet

Side effects of Nac-TH Tablet

How to use Nac-TH Tablet

How Nac-TH Tablet works

All substitutes for Nac-TH 4mg Tablet

Thioford AP Tablet

Neorelax MR Tablet

ACEnac-MR Tablet

Tolagin 4 Tablet

Combipara-T Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

Can the use of Nac-TH 4mg Tablet be stopped when my pain is relieved?

Are there any specific contraindications associated with the use of Nac-TH 4mg Tablet?

Can Nac-TH 4mg Tablet be taken with vitamin B-complex?

Can the use of Nac-TH 4mg Tablet cause damage to kidneys?

Will Nac-TH 4mg Tablet be more effective if taken in higher doses?

Can the use of Nac-TH 4mg Tablet cause damage to liver?

What are the instructions for storage and disposal of Nac-TH 4mg Tablet?

Fact Box

Habit Forming

Therapeutic Class

Related lab tests

Creatinine Kinase

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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