Eltroxin 75Mcg Tablet 120

Glaxosmithkline Pharmaceuticals Ltd.

BOTTLE of 60 Units
BOTTLE of 120 Units

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MRP ~~₹184.51~~

₹147.61

₹1.54/Units

20% off

*MRP inclusive of all taxes

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15 days Easy returns

Prescription required for this medicine

Store Below 25°C

Composition

Thyroxine (75 Mcg)

Strength:

25 MCG 75 MCG 50 MCG 100 MCG 25 MCG 100 MCG 50 MCG 75 MCG 12.5 MCG

Eltroxin 75 Tablet is used to treat an underactive thyroid (hypothyroidism), replacing the thyroid hormone the body cannot make in enough quantity and relieving tiredness, weight gain and other symptoms.

It contains levothyroxine, a thyroid hormone. It works by restoring normal hormone levels, which brings the body's metabolism back to normal.

Take it once a day on an empty stomach, at least 30 minutes before breakfast, and separate it from calcium, iron and antacids by several hours. Regular blood tests check the dose.

Tell your doctor about any heart problems before use, and if you are pregnant, as the dose may need to change. Report palpitations, sweating, tremor or weight loss, which can mean the dose is too high.

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Eltroxin 75 Tablet is used to treat an underactive thyroid.

Uses of Eltroxin 75 Tablet are:

Hypothyroidism: Replaces the missing thyroid hormone.
Symptom Relief: Relieves tiredness and unexplained weight gain.
Metabolism: Restores the body's normal metabolism.

Swallow the tablet whole with water.
Do not crush or chew the tablet.
The medicine is taken orally, on an empty stomach, 30 to 60 minutes before breakfast or at bedtime, at least four hours after the last meal.
For specific dosing advice, it's important to consult your doctor.

Eltroxin Tablet is taken orally.

Eltroxin 75 Tablet may cause some side effects that are usually mild and go away as your body adjusts to the medicine.

A few common side effects of Eltroxin 75 Tablet:

If the Dose Is Too High: Palpitations, a fast heartbeat, sweating, tremor and weight loss; tell your doctor, as the dose may need adjusting.
Nervous System: Headache, nervousness and difficulty sleeping.

If side effects do not improve or become serious, speak to your doctor right away.

Management Of Side Effects:

Most side effects are temporary and generally harmless, which resolves on discontinuing the use of Eltroxin Tablet. However, if you experience any serious side effects or worsening of any of the symptoms, please consult your doctor. Here are some simple tips to manage two common side effects:

Try taking your dosage with a meal to prevent diarrhoea.
Consider taking this medicine in the morning rather than in the evening to help minimise sleep disturbances.

Eltroxin Tablet contains thyroxine (75mcg). It works in the body as follows:

Hormone Replacement: Thyroxine is a synthetic form of the T4 hormone produced by the thyroid gland. It replaces the missing hormone in individuals with hypothyroidism.
Conversion to Active Form: Once absorbed into the body, thyroxine is converted into triiodothyronine (T3), the active form of thyroid hormone.
Regulating Metabolic Activities: T3 binds to thyroid hormone receptors and regulates gene expression. This leads to various physiological effects like increased metabolic rate and protein synthesis.
Supporting Growth and Development: In children, T3 plays a significant role in bone and brain development by regulating gene expression related to these functions.

Pregnancy

Eltroxin Tablet is safe and necessary during pregnancy. However, it's advisable to consult your doctor as the dose may need to be increased to maintain normal thyroid function.

Breastfeeding

Breastfeeding mothers can safely take Eltroxin Tablet. Consult your doctor to monitor your thyroid function closely.

Alcohol

There's no known interaction between Eltroxin Tablet and alcohol. However, it's always prudent to discuss your drinking habits with your doctor before taking this medicine.

Liver

If you have liver issues, caution is recommended before taking Eltroxin Tablet. Discuss all concerns related to liver health with your doctor before starting this medication.

Kidney

Caution is advised when taking Eltroxin Tablet if you have a history of kidney problems. Consult your doctor before starting this medicine.

Use In Driving And Operating Machinery

Eltroxin Tablet doesn't affect your ability to drive or operate heavy machinery. If you feel unwell or experience side effects, consult with your doctor immediately.

Allergy

Eltroxin Tablet should not be taken if you're allergic to levothyroxine or any of the inactive ingredients mentioned on the label. Always share your allergy history with your doctor.

Children

Consult your doctor before giving this medicine to a child.

Older Patients

Older patients should take Eltroxin Tablet under medical supervision as they may be more susceptible to its side effects. Your doctor will guide you based on your health status if you are above 70 years of age.

Drug-Drug Interactions

Eltroxin Tablet interacts with the following medicines:

Calcium and Iron Supplements: These supplements may reduce the absorption of Eltroxin Tablet, making it less effective. Examples include calcium carbonate and ferrous sulphate.
Hormonal Contraceptives: Birth control pills containing oestrogen can increase thyroid hormone binding, which might necessitate dose adjustments of Eltroxin Tablet.
Anticonvulsants: Medicines for seizures, such as phenytoin and carbamazepine, can speed up the metabolism of Eltroxin Tablet, potentially decreasing its effectiveness.
Heart Medications: Certain heart medications, including warfarin, digoxin and amiodarone may require dose modifications when taken with Eltroxin Tablet due to altered drug effects or increased risk of side effects.

Drug-Food Interactions

Foods rich in dietary fibre may decrease the absorption of Eltroxin Tablet, which could affect its effectiveness.

Drug-Disease Interactions

Eltroxin Tablet interacts with the following diseases:

Cardiovascular Disorders: If you have heart-related conditions like coronary artery disease, hypertension or arrhythmias, taking Eltroxin Tablet might require careful monitoring due to potential strain on your heart.
Diabetes Mellitus: As Eltroxin Tablet can affect blood sugar levels, if you have diabetes, you'll need to closely monitor your glucose levels when on this medication.
Adrenal Insufficiency: Patients with this condition should exercise caution as Eltroxin Tablet could exacerbate their symptoms.
Osteoporosis: Long-term use of Eltroxin Tablet may increase bone loss, which could worsen osteoporosis.

Daily Dose

The daily dose of Eltroxin Tablet should be as directed by your doctor. It can vary based on individual factors like the severity of the condition and how you or your child responds to the medicine. Always stick to the prescribed dosage and avoid changes without your doctor's advice.

Over Dose

If you accidentally take more Eltroxin Tablet than prescribed, side effects such as nervousness, irritability, increased sweating or weight loss might occur. If these symptoms persist, inform your doctor.

Missed Dose

In case a dose of Eltroxin Tablet is missed, take it as soon as you remember it. But if the time for the next dose is near, skip the missed dose and continue with the regular schedule. Never increase the dosage without consulting your doctor.

Store Eltroxin Tablet at a temperature below 25°C.
Keep the medicine protected from light and moisture.
The medicine should be placed in a tight, light-resistant container.
Always keep Eltroxin Tablet out of reach of children.
Make sure you use the medicine before its expiry date.

Consume a balanced diet rich in iodine. Foods such as fish, dairy products and eggs are good sources of iodine.
Regular mild to moderate exercise can be beneficial for boosting metabolism which may be sluggish due to hypothyroidism.

Fact Box

Dosage Forms Available	Tablet
Habit Forming	No
Ailment	Hypothyroidism, Congenital Hypothyroidism
Drug Category	Thyroid Hormone Replacement
Therapeutic Category	Endocrine Medication

What is Eltroxin Tablet used for?

Eltroxin Tablet is used to manage hypothyroidism (Underactive Thyroid) by supplementing low thyroid hormone levels and restoring hormonal balance. It helps reduce symptoms such as fatigue, weight gain, constipation, and slowed metabolism. The tablet also supports healthy energy levels, improves overall bodily functions, and maintains normal thyroid activity for long-term stability.

How does Eltroxin Tablet work?

Eltroxin Tablet replaces the body's missing thyroid hormone. Once absorbed, it's converted into the active hormone T3 which regulates metabolic rate, protein synthesis, and bone and brain development.

How should I take Eltroxin Tablet?

Eltroxin Tablet should be taken orally on an empty stomach either before breakfast or at bedtime, at least 4 hours after your last meal. Don't crush or chew the tablets.

What are the side effects of Eltroxin Tablet?

Common side effects include headache, insomnia, irritability, tremors, palpitations, increased sweating, diarrhoea, weight loss, muscle weakness and menstrual irregularities. Consult your doctor if severe symptoms occur.

Are there any precautions when using Eltroxin Tablet?

Yes, use Eltroxin Tablet with caution if you have cardiovascular disorders, diabetes mellitus, adrenal insufficiency or osteoporosis. It's also not recommended for those allergic to levothyroxine.

Can pregnant or breastfeeding women use Eltroxin Tablet?

Yes, Eltroxin Tablet is safe and essential during pregnancy and breastfeeding but may require dose adjustments due to hormonal changes during these periods.

How should I store my Eltroxin Tablets?

Store your Eltroxin Tablets at room temperature (15-30°C) in a tight container protected from light and moisture. Keep them out of reach of children.

Last Updated On 27 Aug. 2026 | 12:27PM (IST)

Certified Content

Written by

Dr. Sachin Singh

Medical Team Lead & Reviewer | 7 years

MBBS

Reviewed by

Dr. Osama Ahmed

Medical Content Writer | 4 years

Bachelor of Dental Surgery

Check out Editorial Policy

Manufacturer details

No 252, Dr Annie Besant Rd, Worli Shivaji Nagar, Worli, Mumbai, Maharashtra 400018

Country of origin: INDIA

Expiry on or after: February 2027

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

National Health Service. (n.d.). Levothyroxine. Retrieved 1 April 2024, from https://www.nhs.uk/medicines/levothyroxine/
U.S. Food and Drug Administration. (2002). Approval package for: application number: 21-116. Retrieved 1 April 2024, from https://www.accessdata.fda.gov/drugsatfda_docs/nda/2002/21-116_Thyro-tabs_Medr.pdf
Sue, L. Y., & Leung, A. M. (2020). Levothyroxine for the Treatment of Subclinical Hypothyroidism and Cardiovascular Disease. Frontiers in endocrinology, 11, 591588. https://doi.org/10.3389/fendo.2020.591588

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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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Unit-301 & 304, Lightbridge Tunga Village, Saki Vihar Rd, Chandivali, Powai, Mumbai, Maharashtra, India, 400072.

CIN: U62099MH2019PTC320566

Telephone:09240250346

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