
Ab Flo Caps
Lupin Lab - Capsule - 15 S
Prescription required
Levothyroxine sodium 100 mcg (as tablets)
Thyroup 100 is used for treatment of hypothyroidism, thyroid hormone replacement after thyroidectomy or radioiodine therapy, suppression of TSH in certain thyroid conditions as advised by doctor.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026
Thyroup 100 contains Levothyroxine sodium 100 mcg (as tablets). It belongs to the Synthetic thyroid hormone (T4) class of medicines.
Levothyroxine is a synthetic form of thyroxine (T4), a natural thyroid hormone. It is converted to the active hormone T3 in tissues and helps regulate metabolism, energy, heart rate and body temperature, correcting low thyroid hormone levels.
Tablet for oral use. Take once daily exactly as prescribed, preferably in the morning on an empty stomach (30–60 minutes before breakfast) with water. Avoid taking with calcium/iron/antacids/soy within 4 hours; do not stop or change dose without medical advice. Dose is individualized based on TSH/T4 levels.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Take the missed dose of Thyroup as soon as you remember. If it is almost time for the next dose, skip the missed one and carry on with the usual schedule. Do not take two doses together to make up for a missed dose.
Taking more Thyroup than prescribed can be harmful. If you suspect an overdose, contact a doctor or go to the nearest emergency department at once, and carry the pack or strip with you. In India the emergency number is 112.
Most side effects of Thyroup are mild and settle as the body adjusts. Reported side effects include:
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.
| Pregnancy | Generally safe (use with monitoring/consult doctor) |
|---|---|
| Alcohol | Use with caution |
| Habit forming | No |
Prescription medicine; dose must be individualized and monitored (TSH/T4). Overdose can cause symptoms of hyperthyroidism and serious cardiac effects. Use caution in patients with heart disease (angina, arrhythmias), elderly, adrenal insufficiency (must be treated first), and osteoporosis risk. Not for treatment of obesity/weight loss. If pregnant, thyroid hormone requirements may increase—monitor closely.
Calcium supplements/calcium carbonate,iron supplements,antacids containing aluminium/magnesium,sucralfate,cholestyramine/colestipol,sevelamer,orlistat,proton pump inhibitors,rifampicin,carbamazepine,phenytoin,sertraline,amiodarone,warfarin,antidiabetic medicines (insulin/oral agents),digoxin
Store below 25°C, protected from light and moisture. Keep in original blister/pack tightly closed. Keep out of reach of children.

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Prescription required
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Prescription required
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Prescription required
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Prescription required
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Prescription required
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Prescription required
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Prescription required
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The information on Thyroup 100 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.