Thyrox 25 Tablet 120

Macleods Pharmaceuticals Pvt.ltd

BOTTLE of 100 Units
BOTTLE of 120 Units

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Old MRP ₹197.77

MRP ~~₹185.41~~

₹148.33

₹1.55/Units

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Prescription required for this medicine

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Composition

Thyroxine (25 Mcg)

Strength:

25 MCG 12.5 MCG 37.5 MCG 50 MCG 75 MCG 88 MCG 100 MCG 125 MCG 150 MCG 200 MCG

Thyrox 25 Tablet is used to treat hypothyroidism (underactive thyroid). It contains thyroxine sodium, which replaces or provides more thyroid hormone when the body is unable to naturally produce enough thyroid hormone (thyroxine) to meet its requirements.

It's essential that you take this medicine under the guidance of your doctor. Make sure you inform your doctor about any pre-existing conditions or ongoing medications before starting this medicine. If you notice any side effects while on this medicine, notify your doctor immediately. It's important that you continue taking the medicine for the duration prescribed by your doctor to get optimal results.

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Thyrox 25 Tablet is used to treat hypothyroidism by replacing thyroid hormones, restoring normal thyroid function, and relieving symptoms such as fatigue, weight gain, and dry skin.

Here's how to take Thyrox 25 Tablet:

Swallow the tablet whole with a glass of water.
Do not crush or chew the tablet.
Take it on an empty stomach, preferably half an hour to an hour before breakfast.
It's important not to stop taking this medicine without speaking to your doctor first.
Always consult your doctor for specific advice about how to take this medicine.

Thyrox 25 Tablet is taken orally.

Thyrox 25 Tablet may cause side effects such as headache, diarrhoea, nausea, vomiting, sweating, muscle cramps, shaking (usually of hands) and feeling restless or excitable, or problems sleeping. Consult your doctor if the side effects persist or worsen.

Managing the Side Effects:

Most side effects are temporary and generally harmless, which resolve on discontinuing the use of Thyrox 25 Tablet. However, if you experience any serious side effects or worsening of any of the symptoms, please consult your doctor.

Thyrox 25 Tablet contains Thyroxine (25 mcg) which works in the following ways:

Replaces Missing Hormones: Thyroxine is a synthetic form of a naturally occurring hormone in your body. The main function of this hormone is to replace the missing thyroid hormones in patients with hypothyroidism.
Regulates Metabolic Activities: Thyroxine plays a key role in maintaining the metabolic activities in your body. By providing an adequate amount of thyroxine, Thyrox 25 Tablet helps restore these functions back to normal.
Supports Growth and Development: Particularly in children, thyroxine is essential for normal growth and cognitive development.
Manages Symptoms of Hypothyroidism: By restoring the normal levels of thyroid hormones, this medicine helps alleviate symptoms associated with hypothyroidism such as fatigue, weight gain, cold sensitivity and dry skin.

Pregnancy

Is it safe to use Thyrox 25 Tablet during pregnancy?

Caution is advised while taking this medicine if you are pregnant. It's best to consult your doctor before taking this medicine, as the dosage may need to be adjusted to maintain normal thyroid hormone levels.

Breastfeeding

Is it safe to use Thyrox 25 Tablet during breastfeeding?

If you're breastfeeding, consult your doctor before starting on this medication. They can advise you on the potential risks and benefits.

Alcohol

Is it safe to drink alcohol while using Thyrox 25 Tablet?

It is advisable to limit your alcohol consumption when you're on medications. However, it's always a good idea to discuss your drinking habits with your doctor.

Liver

Is it advisable to use Thyrox 25 Tablet when experiencing liver problems?

If you have any liver health concerns, consult your doctor before starting this medicine. They can evaluate whether this medicine is suitable for you based on your health status.

Kidney

Is it advisable to use Thyrox 25 Tablet when experiencing kidney problems?

Caution is advised if you have a history of kidney problems. Make sure to consult your doctor before starting on Thyrox 25 Tablet.

Using Machines & Driving

Is it safe to operate heavy machinery or drive when using Thyrox 25 Tablet?

Thyrox 25 Tablet doesn't usually affect your ability to drive or operate machinery. However, if you experience side effects like dizziness or blurred vision, avoid these activities and inform your doctor immediately.

Allergy

Are there any specific conditions that should be considered before using Thyrox 25 Tablet?

If you're allergic to any component of Thyrox 25 Tablet, avoid using it. Always inform your doctor about any allergies before starting a new medication.

Children

Is Thyrox 25 Tablet suitable for infants or children?

Caution is advised while giving this medicine to children. Always consult a paediatrician before giving this medicine to your child.

Older Patients

Is Thyrox 25 Tablet suitable for older patients?

Older patients should take this medicine under medical supervision, as they may be more susceptible to its side effects. If you're over 70 years of age or have liver and kidney issues, it's important to discuss them with your doctor, who will guide you based on your health status.

Drug-Drug Interactions

Thyrox 25 Tablet can interact with the following medicines:

Antacids like aluminium hydroxide can decrease the absorption of this medicine, possibly reducing its effectiveness.
Cholesterol-lowering medicines such as cholestyramine can bind with Thyrox 25 Tablet in the stomach, reducing its absorption and effectiveness.
Iron Supplements can interfere with the absorption of Thyrox 25 Tablet, possibly reducing its effectiveness.
Warfarin: As this medication can increase metabolism, it may enhance the breakdown of warfarin, altering its effectiveness.

Drug-Food Interactions

Certain foods can affect how Thyrox 25 Tablet works in your body:

Soybean Flour: Soybean flour may decrease the absorption of Thyrox 25 Tablet in your body.

Drug-Disease Interactions

Thyrox 25 Tablet can interact with the following diseases:

Cardiovascular Diseases: If you have heart disease, you should use Thyrox 25 Tablet cautiously as it could increase heart rate, which might put you at risk.
Diabetes mellitus: As this medicine can raise blood sugar levels if you have diabetes, your blood glucose levels may need close monitoring while on this medication.
Adrenal Insufficiency: In people with adrenal insufficiency, starting treatment with Thyrox 25 Tablet may cause an adrenal crisis, a severe condition needing immediate medical attention.

Daily Dose

The daily dose of this medicine should be taken as recommended by your doctor. This may vary based on factors such as the severity of your condition and how you respond to the medicine. Always adhere to the prescribed dosage and do not exceed it without consulting your doctor.

Over Dose

If you accidentally take more than your prescribed dose of your medicine, you may experience symptoms like increased appetite, weight loss, or nervousness. Do not panic, but do inform your doctor about the situation.

Missed Dose

If you forget to take your dose of Thyrox 25 Tablet, take it as soon as you remember. If it's nearly time for your next dose, simply skip the missed one and continue with your regular schedule. Never double up on doses to make up for a missed one, without consulting your doctor.

Store this medicine at room temperature, ideally between 15-30°C.
Keep it in a dry place, protected from light and moisture.
Keep the medicine container tightly closed.
Ensure Thyrox 25 Tablet is out of reach of children.
Always check the expiry date before use, and do not use if the medicine has expired.

Include iodine-rich foods in your diet: Iodine, found in seafood and iodised salt, assists in thyroid hormone production, which can help manage hypothyroidism.
Regular Exercise: Engaging in moderate physical activity can help increase energy levels and combat fatigue associated with hypothyroidism.

Fact Box

Available Dosage Types	Tablet
Habit Forming	No
Ailment	Hypothyroidism, goitre, thyroid cancer
Drug Category	Synthetic thyroid hormone
Therapeutic Category	Thyroid hormone replacement

What is Thyrox 25 Tablet used for?

Thyrox 25 Tablet is used to treat an underactive thyroid (hypothyroidism) by replacing the hormone your thyroid isn't producing enough of, helping to regulate energy levels and metabolism.

What's the active ingredient in Thyrox 25 Tablet?

The active ingredient in Thyrox 25 Tablet is thyroxine. It's a synthetic version of the thyroid hormone thyroxine (T4).

How does Thyrox 25 Tablet work in the body?

This medicine works by replacing the missing thyroid hormones, which are vital for regulating metabolism, growth, and development.

When should I take my dose of Thyrox 25 Tablet?

Take your dose of this medicine on an empty stomach, preferably half an hour to an hour before breakfast and as directed by your doctor.

Are there any common side effects of Thyrox 25 Tablet?

Common side effects include temporary hair loss, weight loss, increased appetite, nervousness, irritability, and irregular menstrual periods.

Can I take Thyrox 25 Tablet if I'm pregnant?

Yes, but pregnant women must be closely monitored as the dosage may need adjusting to maintain normal thyroid hormone levels.

How should I store my Thyrox 25 Tablet?

Store your tablets at room temperature (15-30°C), away from light and moisture, in a tightly closed container.

What is the benefit of Thyrox 25 Tablet?

Thyrox 25 Tablet is prescribed to treat an underactive thyroid gland (hypothyroidism). It supplements the thyroid hormone your body lacks, helping to regulate metabolism and maintain normal energy levels.

Can Thyrox 25 mcg Tablet be used for weight loss?

No, absolutely not. This medicine is only for people who have been diagnosed with a thyroid hormone deficiency (hypothyroidism).

Last Updated On 29 Oct. 2025 | 7:56AM (IST)

Certified Content

Written by

Ashmita Borgohain

Medical Content Writer | 13 years

MSc (Applied Genetics)

Reviewed by

Dr. Osama Ahmed

Medical Content Writer | 3 years

Bachelor of Dental Surgery

Check out Editorial Policy

Manufacturer details

Atlanta Arcade, Marol Church Rd, Bori Colony, Vijay Nagar Colony West, Marol, Andheri East, Mumbai, Maharashtra 400059

Country of origin: INDIA

Expiry on or after: March 2026

In case of any issues, contact us:

support@truemeds.in|09240250346

Address: 6th floor, Urmi Corporate Park Solaris, Saki Vihar Road, Andheri East, Mumbai 400071

References

NHS. (n.d.). Levothyroxine. NHS. Retrieved from https://www.nhs.uk/medicines/levothyroxine/
Mateo, R., & Hennessey, J. V. (2019). Thyroxine and treatment of hypothyroidism: seven decades of experience. Endocrine, 66(1), 10–17. https://doi.org/10.1007/s12020-019-02006-8
U.S. Food and Drug Administration. (2002). Approval package for: Application number: 21-116. AccessData.FDA. Retrieved from https://www.accessdata.fda.gov/drugsatfda_docs/nda/2002/21-116_Thyro-tabs_Pharmr.pdf
Treatment -Underactive thyroid (hypothyroidism). Retrieved from https://www.nhs.uk/conditions/underactive-thyroid-hypothyroidism/treatment/

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Disclaimer

We, at Truemeds make a diligent attempt to deliver accurate, expert- drafted and thoroughly reviewed medicine related information to our consumers. However, it should, by no means, be considered a substitute for prescription from a certified doctor or a trustworthy doctor-patient relationship. In fact we detest any form of self medication without expert advice. The sole purpose of the information on our portal is to educate our consumers, which helps improve the communication between a doctor and a patient. The information by no means is complete in its entirety and should not be used to diagnose or treat any medical condition. No amount of information can replace the experience and expertise of a doctor, therefore his/her advice always holds priority and should be followed appropriately.

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