Methimercazole 5 Tablet

Methimazole (5mg)

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Methimercazole 5 Tablet belongs to a group of medicine called anti-thyroid agents. It is used in the treatment of hyperthyroidism. It reduces the amount of thyroid hormones produced by the thyroid gland.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 17 Dec 2025 | 04:35 PM (IST)

₹190 MRP ₹208.349% off

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Methimercazole 5 Tablet

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₹190

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Methimez 5 Tablet

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Methimazole (5mg)

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General Information

Contains

Methimazole (5mg)

Marketer

Abbott

Storage

Store below 30°C

The content is shown in English

Product introduction

Methimercazole 5 Tablet may be used alone or in combination with other medicines. It can be taken in with or without food. It should be taken exactly as prescribed by your doctor. Your doctor will decide the dose and how often you should take them. You should take this medicine regularly to get the most benefit from it. Do not stop taking the medicine even if you feel better unless the doctor tells you so.

Taking this medicine may cause some common side effects such as skin rash, nausea, vomiting, vertigo, joint pain, loss of taste, loss of hair, muscle pain, headache, and drowsiness. Let your doctor know if any of these do not go away with time or worsen.

Before using this medicine, inform your doctor if you have any problems with your liver or kidneys. You should also tell your doctor all the other medications you are taking. Pregnant and breastfeeding mothers should consult their doctors before using the medicine.

Uses of Methimercazole Tablet

Hyperthyroidism

Benefits of Methimercazole Tablet

Hyperthyroidism
Methimercazole 5 Tablet is used to manage hyperthyroidism by helping bring overactive thyroid hormone levels back to normal. It supports relief from symptoms like rapid heartbeat, weight loss, and anxiety, and helps restore hormonal balance for better overall well-being.

Side effects of Methimercazole 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 Methimercazole

Joint stiffness
Headache
Itching
Nausea
Gastric irritation
Skin rash
Joint pain

How to use Methimercazole 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. Methimercazole 5 Tablet may be taken with or without food.

How Methimercazole Tablet works

Methimercazole 5 Tablet works by reducing the thyroid hormones produced by the thyroid gland.

All substitutes for Methimercazole 5 Tablet

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

Methimez 5 Tablet

by Sun Pharmaceutical Industries Ltd

₹6.27/tablet

1% cheaper

Quick tips

Methimercazole 5 Tablet is used for the treatment of hyperthyroidism.
You may have to stop taking it for a while if you are also taking radio-iodine as a treatment for your overactive thyroid.
It may affect the level of blood cells in your blood. Inform your doctor if you experience symptoms such as unexplained bruising or bleeding, sore throat, mouth ulcers, fever, or general illness.
Stop taking Methimercazole 5 Tablet and Inform your doctor if you develop symptoms of liver damage such as abdominal pain, loss of appetite, darkened urine or yellowing of the eyes or skin.
Inform your doctor if you are pregnant, planning to conceive, or breastfeeding.
Methimercazole 5 Tablet is used for the treatment of hyperthyroidism.
You may have to stop taking it for a while if you are also taking radio-iodine as a treatment for your overactive thyroid.
It may affect the level of blood cells in your blood. Inform your doctor if you experience symptoms such as unexplained bruising or bleeding, sore throat, mouth ulcers, fever, or general illness.
Stop taking Methimercazole 5 Tablet and Inform your doctor if you develop symptoms of liver damage such as abdominal pain, loss of appetite, darkened urine or yellowing of the eyes or skin.
Inform your doctor if you are pregnant, planning to conceive, or breastfeeding.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Methimercazole 5 Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Methimercazole 5 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

Methimercazole 5 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

Methimercazole 5 Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Methimercazole 5 Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.

Liver

CAUTION

Methimercazole 5 Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.
Regular monitoring of liver function tests is advisable while you are taking this medicine.

Frequently asked questions

What is Methimercazole 5 Tablet used for?

Methimercazole 5 Tablet is used to treat an overactive thyroid gland, a condition called hyperthyroidism. It works by reducing the amount of thyroid hormone your body produces.

Can Methimercazole 5 Tablet cause serious side effects?

Yes, Methimercazole 5 Tablet can cause serious side effects in rare cases, such as very low white blood cell count, liver problems, or severe allergic reactions. If you experience a sore throat, fever, yellowing of the skin or eyes, or unusual bleeding, seek medical attention immediately.

Who should not take Methimercazole 5 Tablet?

Individuals should not take Methimercazole 5 Tablet if they have had a previous serious allergic reaction to it, or if they have a history of liver problems related to antithyroid medicines. It is also not recommended during early pregnancy unless advised by a doctor.

What precautions should I take while on Methimercazole 5 Tablet?

While taking Methimercazole 5 Tablet, you should have regular blood tests to monitor your white blood cell count and thyroid hormone levels. Report any signs of infection or liver problems to your doctor immediately.

How long will I need to take Methimercazole 5 Tablet?

The duration of treatment with Methimercazole 5 Tablet varies. Some people may take it for several months to a few years, depending on how their thyroid condition responds. Your doctor will determine the right treatment length for you.

Is it safe to stop Methimercazole 5 Tablet suddenly?

You should not stop taking Methimercazole 5 Tablet without your doctor’s advice. Suddenly stopping the medication may cause your thyroid hormone levels to rise again, leading to a return of symptoms.

Fact Box

Chemical Class

Imidazolethiones

Habit Forming

Therapeutic Class

HORMONES

Action Class

Antithyroid Agents

Related lab tests

Anti Thyroglobulin Antibody

Thyroid Stimulating Hormone

Thyroxine - Free

Thyroxine - Total

References

Brent GA, Koenig RJ. Thyroid and Anti-Thyroid Drugs. 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. p. 1149.
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. 880-85.
Methimazole. Spring Valley, New York: PAR Pharrmaceutical Companies, Inc.; 2012. [Accessed 04 Apr. 2019] (online) Available from:
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 4 Apr. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 3 Apr. 2019] (online) Available from:
Methimazole [Drug Label]. Spring Valley, NY: Par Pharmaceutical Companies, Inc.; 2012. [Accessed 06 Apr. 2024] (online) Available from:
Methimazole. Summary of Product Characteristics. Health Products Regulatory Authority. July 2024. [Acessed 06 Sep. 2025] (online) Available from:

User feedback

Patients taking Methimercazole 5 Tablet

Twice A Day

50%

Once A Day

50%

What are you using Methimercazole Tablet for?

Hyperthyroidism

100%

How much was the improvement?

Excellent

67%

Average

33%

What were the side-effects while using Methimercazole 5 Tablet?

Hair loss

100%

How do you take Methimercazole Tablet?

With food

100%

Please rate Methimercazole 5 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: Abbott
Address: 16th Floor, Godrej BKC, Plot – C, “G” Block, Bandra-Kurla Complex, Bandra (East), Mumbai – 400 051, India

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Methimercazole 5 Tablet

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Methimercazole Tablet

Benefits of Methimercazole Tablet

Side effects of Methimercazole Tablet

How to use Methimercazole Tablet

How Methimercazole Tablet works

All substitutes for Methimercazole 5 Tablet

Methimez 5 Tablet

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is Methimercazole 5 Tablet used for?

Can Methimercazole 5 Tablet cause serious side effects?

Who should not take Methimercazole 5 Tablet?

What precautions should I take while on Methimercazole 5 Tablet?

How long will I need to take Methimercazole 5 Tablet?

Is it safe to stop Methimercazole 5 Tablet suddenly?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Anti Thyroglobulin Antibody

Thyroid Stimulating Hormone

Thyroxine - Free

Thyroxine - Total

References

User feedback

Patients taking Methimercazole 5 Tablet

What are you using Methimercazole Tablet for?

How much was the improvement?

What were the side-effects while using Methimercazole 5 Tablet?

How do you take Methimercazole Tablet?

Please rate Methimercazole 5 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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