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Prescription requiredAbbott India LimitedThyroid hormone replacement

Thyronorm 75 Tablet

Thyroxine (75mcg)

Thyronorm 75 Tablet is used for hypothyroidism (underactive thyroid), thyroid hormone replacement after thyroidectomy or radioactive iodine therapy, suppression therapy in certain thyroid disorders/goiter as advised.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026

₹184₹1.53 per tablet
Licensed pharmacyPharmacist-verified orderDelivered across India

Key details

Salt: Thyroxine (75mcg)
Available variants: tablet 75.0 mcg 120 Tablet
Best price: ₹184 (₹1.53 per tablet)
Prescription: Required
Manufacturer: ABBOTT INDIA LTD

Ordering notes

Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy

Composition of Thyronorm 75 Tablet

Thyronorm 75 Tablet contains Thyroxine (75mcg). It belongs to the Thyroid hormone (synthetic T4) class of medicines.

Uses of Thyronorm 75 Tablet

  • Hypothyroidism (underactive thyroid)
  • thyroid hormone replacement after thyroidectomy or radioactive iodine therapy
  • suppression therapy in certain thyroid disorders/goiter as advised

Key benefits

  • Restores normal thyroid hormone levels
  • Improves fatigue and low energy in hypothyroidism
  • Helps normalize metabolism and weight changes due to low thyroid
  • Supports normal heart rate and body temperature
  • Helps regulate menstrual and cognitive symptoms linked to hypothyroidism

How Thyronorm 75 Tablet works

Levothyroxine is a synthetic form of thyroxine (T4), a natural thyroid hormone. It is converted to the active hormone (T3) in the body and restores normal thyroid hormone levels, helping regulate metabolism, energy, heart rate and temperature.

How to take Thyronorm 75 Tablet

Oral tablet. Take once daily exactly as prescribed, preferably in the morning on an empty stomach with water, 30–60 minutes before breakfast. Avoid taking with calcium/iron/antacids or high-fiber/soy foods close to the dose (separate by at least 4 hours). Do not stop or change dose without doctor advice; dose is adjusted based on TSH/T4 tests.

Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.

Missed dose and overdose

If you miss a dose

If you miss a dose of THYronorm 75mcg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

If you take too much

An overdose of this medicine can cause a racing heart, chest pain, tremor, fever and dangerous heart rhythm disturbance. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.

Side effects of Thyronorm 75 Tablet

Most side effects of Thyronorm are mild and settle as the body adjusts. Reported side effects include:

  • Palpitations
  • fast heart rate
  • headache
  • nervousness/irritability
  • tremor
  • insomnia
  • sweating
  • heat intolerance
  • diarrhea
  • weight loss
  • increased appetite
  • menstrual irregularities

Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.

Safety advice for Thyronorm 75 Tablet

PregnancyGenerally safe (often required in pregnancy); dose adjustment and close TSH monitoring needed—consult doctor
BreastfeedingBreast feeding SAFE IF PRESCRIBED
AlcoholUse with caution (no major direct interaction, but excessive alcohol can affect overall health and thyroid control)
DrivingDriving SAFE
KidneyKidney SAFE IF PRESCRIBED
LiverLiver CONSULT YOUR DOCTOR
Habit formingNo

Warnings and precautions

Use only under medical supervision; taking too much can cause hyperthyroid symptoms and strain the heart. Caution in heart disease (angina, arrhythmias), hypertension, elderly patients, adrenal insufficiency (must be treated first) and diabetes (may need dose adjustment of antidiabetics). Monitor TSH/T4 regularly; do not use for weight loss. Seek care for chest pain, severe palpitations, shortness of breath or signs of allergy.

Do not take Thyronorm if

Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people with an untreated overactive thyroid or untreated adrenal insufficiency.

Interactions with other medicines

Calcium supplements,iron salts,aluminum/magnesium antacids,sucralfate,cholestyramine/colestipol,sevelamer (reduce absorption); rifampicin,carbamazepine,phenytoin,phenobarbital (increase metabolism); sertraline (may reduce effect); amiodarone (affects thyroid function); warfarin (may increase anticoagulant effect); antidiabetic medicines/insulin (dose adjustments may be needed); estrogen therapy/oral contraceptives (may increase requirement)

How to store Thyronorm 75 Tablet

Store below 25°C, protected from light and moisture. Keep in original blister pack and out of reach of children.

Expert advice for Thyronorm 75 Tablet

THYronorm 75mcg Tablet should be taken on an empty stomach (ideally, first thing in the morning). No food, milk, or tea should be taken 1 hour before and 2 hours after taking this medicine. It may take 6 to 8 weeks to get the full effect. For most people, THYronorm 75mcg Tablet can be a lifelong medication. Do not discontinue it without discussing your doctor. Inform your doctor if you have diarrhea, nervousness, irritability, sleep disturbances, shaking hands, or chest pain. Your doctor may adjust your dose. Leave a gap of at least 4 hours before taking any antacids, calcium or iron supplements, and multivitamins, as these may interfere with the effect of the medicine. Get your hormone levels checked regularly and inform your doctor if you notice a significant change in your body weight. The dose may need to be adjusted. Inform your doctor before changing the brand of THYronorm 75mcg Tablet as all brands may not have the same effect.

Manufacturer and class

Manufacturer:
ABBOTT INDIA LTD
Therapeutic class:
Thyroid hormone replacement
Drug class:
Thyroid hormone (synthetic T4)
Chemical class:
Phenylalanine derivative

Substitutes for Thyronorm 75 Tablet

Medicines with the same active ingredient (Thyroxine (75mcg)). Ask your doctor or pharmacist before switching brands.

MedicinePackPricevs Thyronorm 75 Tablet
Euthyrox 75 mg TabletMerck Ltdtablet · 100`S₹15317% cheaper
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Thyronorm 75 Tablet FAQs

What is Thyronorm 75 Tablet used for?
Thyronorm 75 Tablet is commonly used for Hypothyroidism (underactive thyroid), thyroid hormone replacement after thyroidectomy or radioactive iodine therapy, suppression therapy in certain thyroid disorders/goiter as advised. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Thyronorm 75 Tablet?
Thyronorm 75 Tablet contains Thyroxine (75mcg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Thyronorm 75 Tablet?
Oral tablet. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Thyronorm 75 Tablet work?
Levothyroxine is a synthetic form of thyroxine (T4), a natural thyroid hormone.
Is Thyronorm 75 Tablet a prescription medicine?
Yes. Thyronorm 75 Tablet is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Thyronorm 75 Tablet?
The side effects reported most often with Thyronorm are Palpitations, fast heart rate, headache, nervousness/irritability, tremor. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Thyronorm 75 Tablet be taken during pregnancy?
Generally safe (often required in pregnancy); dose adjustment and close TSH monitoring needed—consult doctor Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Thyronorm.
Can I drink alcohol while taking Thyronorm 75 Tablet?
Use with caution (no major direct interaction, but excessive alcohol can affect overall health and thyroid control)
What if I miss a dose of Thyronorm 75 Tablet?
If you miss a dose of THYronorm 75mcg Tablet, take it as soon as possible.
Is Thyronorm 75 Tablet habit forming?
No. Thyronorm 75 Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Thyronorm 75 Tablet?
Euthyrox 75 mg Tablet has the same active ingredient and strength and is listed from ₹153 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Thyronorm 75 Tablet cost on PingMeDoc Pharmacy?
Thyronorm 75 Tablet starts at ₹184 on PingMeDoc Pharmacy. Available in tablet 75.0 mcg 120 Tablet. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Thyronorm 75 Tablet?
Thyronorm 75 Tablet is manufactured by ABBOTT INDIA LTD. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Thyronorm 75 Tablet delivered?
Thyronorm 75 Tablet is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.

Thyronorm 75 Tablet, Quick facts

Salt
Thyroxine (75mcg)
Form
tablet
Best price
₹184 (₹1.53 per tablet)
Prescription
Required (Rx)
Schedule
Schedule H
Brand
Abbott India Limited
Manufacturer
ABBOTT INDIA LTD
Therapeutic class
Thyroid hormone replacement
Drug class
Thyroid hormone (synthetic T4)
Chemical class
Phenylalanine derivative
Action class
Thyroid Hormones
Habit forming
No
Variants
tablet 75.0 mcg 120 Tablet
Delivery
Standard across India

References

The information on Thyronorm 75 Tablet is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.

  1. Manufacturer labeling/pack insert,established medical literature (endocrinology guidelines),Indian clinical practice references
  2. Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
  3. National List of Essential Medicines (NLEM) 2022, Government of India.
  4. Manufacturer's package insert / prescribing information for Thyronorm 75 Tablet.
  5. World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.

Next steps

Safety disclaimer

Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.