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Prescription requiredMacleods Pharmaceuticals Pvt LtdThyroid hormone
Thyrox 100 Tablet
Levothyroxine (100 mcg)
Thyrox 100 Tablet is used for regulates energy levels, boosts metabolism, improves symptoms of hypothyroidism.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
₹169₹1.41 per tablet
Licensed pharmacyPharmacist-verified orderDelivered across India
Key details
Salt: Levothyroxine (100 mcg)
Available variants: tablet 120 Tablet
Best price: ₹169 (₹1.41 per tablet)
Prescription: Required
Manufacturer: MACLEODS PHARMACEUTICALS 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 Thyrox 100 Tablet
Thyrox 100 Tablet contains Levothyroxine (100 mcg). It belongs to the Thyroid hormone replacement class of medicines.
Uses of Thyrox 100 Tablet
- Regulates energy levels
- boosts metabolism
- improves symptoms of hypothyroidism
Key benefits
- Restores energy
- weight and concentration
- Inexpensive
- once daily
- and highly effective
How Thyrox 100 Tablet works
Thyroxine replaces the thyroid hormone your gland is not making enough of, restoring your body's normal pace.
How to take Thyrox 100 Tablet
Take on an empty stomach, 30 minutes before breakfast. Do not take with calcium or iron supplements. Follow your doctor's instructions.
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
Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.
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 Thyrox 100 Tablet
Most side effects of Thyrox are mild and settle as the body adjusts. Reported side effects include:
- Palpitations
- Tremor
- Sweating
- Weight loss
- Difficulty sleeping
- Anxiety
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 Thyrox 100 Tablet
| Pregnancy | Generally considered safe in pregnancy. Tell your doctor if you are pregnant or planning to be. |
|---|---|
| Breastfeeding | Generally considered safe while breastfeeding. |
| Alcohol | Alcohol may worsen the side effects of this medicine. Limit it. |
| Driving | Not expected to affect your ability to drive. |
| Kidney | No dose change is usually needed in kidney disease. |
| Liver | No dose change is usually needed in liver disease. |
| Habit forming | No |
Warnings and precautions
Take it on an empty stomach, first thing in the morning, with water, and wait at least half an hour to an hour before eating or drinking anything else. Food, tea and coffee substantially reduce how much is absorbed. Separate it by at least four hours from calcium, iron, antacids and multivitamins — these bind it and block absorption. This is usually lifelong treatment. Do not stop when your reports come back normal; the normal report is the medicine working. Report palpitations, tremor, marked weight loss or difficulty sleeping — these suggest the dose is too high. Tell your doctor if you become pregnant; the requirement usually rises and needs prompt adjustment.
Do not take Thyrox 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, iron, antacids, multivitamins and some cholesterol medicines block absorption — separate them by four hours. Tell your doctor if you take a blood thinner or diabetes medicine; doses may need review.
How to store Thyrox 100 Tablet
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Expert advice for Thyrox 100 Tablet
Keep to the same brand where you can, and take it at the same time every morning. Have your thyroid blood test repeated as your doctor advises after any dose change.
Manufacturer and class
- Manufacturer:
- MACLEODS PHARMACEUTICALS LTD
- Therapeutic class:
- Thyroid hormone
- Drug class:
- Thyroid hormone replacement
Substitutes for Thyrox 100 Tablet
Medicines with the same active ingredient (Levothyroxine (100 mcg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Thyrox 100 Tablet |
|---|---|---|---|
| Thyronorm 100 TabletAbbott India Limited | tablet · 120 Tablet | ₹169 | same price |
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Thyrox 100 Tablet FAQs
What is Thyrox 100 Tablet used for?
Thyrox 100 Tablet is commonly used for Regulates energy levels, boosts metabolism, improves symptoms of hypothyroidism. 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 Thyrox 100 Tablet?
Thyrox 100 Tablet contains Levothyroxine (100 mcg). 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 Thyrox 100 Tablet?
Take on an empty stomach, 30 minutes before breakfast. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Thyrox 100 Tablet work?
Thyroxine replaces the thyroid hormone your gland is not making enough of, restoring your body's normal pace.
Is Thyrox 100 Tablet a prescription medicine?
Yes. Thyrox 100 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 Thyrox 100 Tablet?
The side effects reported most often with Thyrox are Palpitations, Tremor, Sweating, Weight loss, Difficulty sleeping. 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 Thyrox 100 Tablet be taken during pregnancy?
Generally considered safe in pregnancy. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Thyrox.
Can I drink alcohol while taking Thyrox 100 Tablet?
Alcohol may worsen the side effects of this medicine.
What if I miss a dose of Thyrox 100 Tablet?
Take it as soon as you remember.
Is Thyrox 100 Tablet habit forming?
No. Thyrox 100 Tablet is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Thyrox 100 Tablet?
Thyronorm 100 Tablet has the same active ingredient and strength and is listed from ₹169 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 Thyrox 100 Tablet cost on PingMeDoc Pharmacy?
Thyrox 100 Tablet starts at ₹169 on PingMeDoc Pharmacy. Available in tablet 120 Tablet. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Thyrox 100 Tablet?
Thyrox 100 Tablet is manufactured by MACLEODS PHARMACEUTICALS LTD. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Thyrox 100 Tablet delivered?
Thyrox 100 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.
Thyrox 100 Tablet, Quick facts
- Salt
- Levothyroxine (100 mcg)
- Form
- tablet
- Best price
- ₹169 (₹1.41 per tablet)
- Prescription
- Required (Rx)
- Schedule
- Schedule H
- Brand
- Macleods Pharmaceuticals Pvt Ltd
- Manufacturer
- MACLEODS PHARMACEUTICALS LTD
- Therapeutic class
- Thyroid hormone
- Drug class
- Thyroid hormone replacement
- Habit forming
- No
- Variants
- tablet 120 Tablet
- Delivery
- Standard across India
References
The information on Thyrox 100 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.
- PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
- CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
- Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
- National List of Essential Medicines (NLEM) 2022, Government of India.
- Manufacturer's package insert / prescribing information for Thyrox 100 Tablet.
- 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.