Anti-Thyrox 20 Tablet 100.0 tablets in 1 bottle

Last Updated: March 24th, 2026

Anti-Thyrox 20 Tablet is a product of Macleods Pharmaceuticals Pvt Ltd

Composition: Carbimazole (20mg)

Pack of 100 tablet

₹ 1243.00

Note: MRP can vary depending up on batch!

*MRP inclusive of all taxes

All Details About Anti-Thyrox 20 Tablet

Find out detailed description, uses, directions of use, side effects, warnings and precautions, frequently asked questions about Anti-Thyrox 20 Tablet

Description:

Anti-Thyrox 20 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.

You should take it in a dose and duration as advised by the doctor. But, before taking it report to doctor if you have any known allergy to this medication. Your doctor may get regular blood tests done to check the levels of blood cells in your blood. Remember to inform doctor if you experience unexplained bleeding, fever, or general illness. Your doctor may advice for monitoring of liver function.

Ordinary side effects of Anti-Thyrox 20 Tablet include itching, headache, nausea, joint pain, and GI upset. If side effects persist or worsen, consult your doctor. Forever use as directed to minimize risks and ensure safe use.

Uses:

Treatment of Hyperthyroidism

Directions For Use:

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. Anti-Thyrox 20 Tablet may be taken with or without food.

Side Effects:

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

Ordinary side effects of Anti-Thyrox

Itching
Headache
Nausea
Joint pain
Gastrointestinal disturbance
Agranulocytosis (deficiency of granulocytes in the blood)

Warning & Precautions:

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Anti-Thyrox 20 Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Anti-Thyrox 20 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

CAUTION

Anti-Thyrox 20 Tablet should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from the body.

Driving

CONSULT YOUR DOCTOR

It is not known whether Anti-Thyrox 20 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

Anti-Thyrox 20 Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

UNSAFE

Anti-Thyrox 20 Tablet is unsafe to use in patients with liver disease and should be avoided.
Severe liver disorder is a contraindication; consult your doctor.

FAQs:

Can I just stop taking Anti-Thyrox 20 Tablet?

No, you should not stop taking Anti-Thyrox 20 Tablet even if you start feeling better. You may have to take it for several months depending on your investigations. The duration of the treatment will continue till the thyroid hormone levels return to normal. This duration may vary from six months to 18 months. Your doctor will decide when the treatment should be stopped.

How long does Anti-Thyrox 20 Tablet take to work?

You may start feeling better within 1-3 weeks of starting Anti-Thyrox 20 Tablet. However, it usually takes 4-8 weeks to see the full benefits of the treatment.

Can Anti-Thyrox 20 Tablet cause hair loss?

Anti-Thyrox 20 Tablet may cause hair loss but not in everyone. It has been seen that on discontinuing Anti-Thyrox 20 Tablet or replacing Anti-Thyrox 20 Tablet with another medicine, there is improvement, and hair loss reverses.

Who should not take Anti-Thyrox 20 Tablet?

You should not take Anti-Thyrox 20 Tablet if you have serious liver disorder or serious blood disorder. You should also avoid taking this medicine if you are pregnant or are allergic to Anti-Thyrox 20 Tablet or any of the ingredients present in it Anti-Thyrox 20 Tablet.

My sister is taking Anti-Thyrox 20 Tablet for overactive thyroid gland. She frequently gets sore throat and stops and restarts the treatment again and again. Is there any risk if she continues to take Anti-Thyrox 20 Tablet when she has sore throat?

Highly rarely, Anti-Thyrox 20 Tablet interferes with the bone marrow and causes a drastic drop in white blood cells. These white blood cells are a part of the body's defense against bacterial infections, such as sore throats. So, a sore throat can sometimes be the first clue that Anti-Thyrox 20 Tablet is affecting the bone marrow. Your sister should contact her doctor and get a blood test. If a blood test shows her white blood cell count to be normal, then she can continue Anti-Thyrox 20 Tablet. If not, she should stop the treatment after consulting the doctor.

How does Anti-Thyrox 20 Tablet affect children?

The effectiveness and side effects of Anti-Thyrox 20 Tablet in children are more or less the same as in adults. Anti-Thyrox 20 Tablet should not be used in children less than 2 years of age.

I have been taking warfarin, so will it have any effect on Anti-Thyrox 20 Tablet therapy?

If you have started taking Anti-Thyrox 20 Tablet, the dose of warfarin may need adjustment. You should consult your doctor and get your bleeding time checked so that the dose can be adjusted according to the results of the investigations.

Even if my liver is normal, can Anti-Thyrox 20 Tablet cause any liver problems?

Affirmative, Anti-Thyrox 20 Tablet may cause liver problems, though not in everyone. A very common side effect of Anti-Thyrox 20 Tablet can be the yellowing of skin and eyes (jaundice). It may also cause abnormal liver function tests, hepatitis, etc. If you notice jaundice, you should discontinue Anti-Thyrox 20 Tablet and seek immediate medical advice.

If I am planning my pregnancy, can I continue taking Anti-Thyrox 20 Tablet?

No, it is advisable not to take Anti-Thyrox 20 Tablet during pregnancy as it may cause abnormalities in your baby. You should consult your doctor because if your thyroid hormone levels are not controlled, the chances of birth defects in your baby are much more. In case Anti-Thyrox 20 Tablet is the only option for you, your doctor will prescribe the lowest possible dose, which will be regulated according to your condition. You can stop it 3-4 weeks before delivery to reduce the chances of complications in your baby.

Can I just stop taking Anti-Thyrox 20 Tablet?

How long does Anti-Thyrox 20 Tablet take to work?

You may start feeling better within 1-3 weeks of starting Anti-Thyrox 20 Tablet. However, it usually takes 4-8 weeks to see the full benefits of the treatment.

Can Anti-Thyrox 20 Tablet cause hair loss?

Who should not take Anti-Thyrox 20 Tablet?

My sister is taking Anti-Thyrox 20 Tablet for overactive thyroid gland. She frequently gets sore throat and stops and restarts the treatment again and again. Is there any risk if she continues to take Anti-Thyrox 20 Tablet when she has sore throat?

Highly rarely, Anti-Thyrox 20 Tablet interferes with the bone marrow and causes a drastic drop in white blood cells. These white blood cells are a part of the body's defense against bacterial infections, such as sore throats. So, a sore throat can sometimes be the first clue that Anti-Thyrox 20 Tablet is affecting the bone marrow. Your sister should contact her doctor and get a blood test. If blood test shows her white blood cell count to be normal, then she can continue Anti-Thyrox 20 Tablet. If not, she should stop the treatment after consulting the doctor.

How does Anti-Thyrox 20 Tablet affect children?

The effectiveness and side effects of Anti-Thyrox 20 Tablet in children are more or less the same as in adults. Anti-Thyrox 20 Tablet should not be used in children less than 2 years of age.

I have been taking warfarin, so will it have any effect on Anti-Thyrox 20 Tablet therapy?

Even if my liver is normal, can Anti-Thyrox 20 Tablet cause any liver problems?

Affirmative, Anti-Thyrox 20 Tablet may cause liver problems, though not in everyone. A very common side effect of Anti-Thyrox 20 Tablet can be yellowing of skin and eyes (jaundice). It may also cause abnormal liver function tests, hepatitis, etc. If you notice jaundice, you should discontinue Anti-Thyrox 20 Tablet and seek immediate medical advice.

If I am planning my pregnancy, can I continue taking Anti-Thyrox 20 Tablet?

No, it is advisable not to take Anti-Thyrox 20 Tablet during pregnancy as it may cause abnormalities in your baby. You should consult your doctor because if your thyroid hormone levels are not controlled, chances of birth defects in your baby are much more. In case Anti-Thyrox 20 Tablet is the only option for you, your doctor will prescribe the lowest possible dose, which will be regulated according to your condition. You can stop it 3-4 weeks before delivery to reduce chances of complications in your baby.

Written by:
Dr. T. Sharmila Krishna
M.B.B.S., MD (Biochemistry)

Reviewed by:
Dr. Sureshbabu Yadav
M.B.B.S., DIP.DIAB, F.R.S.H

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