Prescription requiredThyroid hormone

Thyroup 100 — Side Effects & Warnings

Known side effects of Thyroup 100 include Palpitations,fast heartbeat,tremor,nervousness,headache,insomnia,sweating,heat intolerance,weight loss,diarrhoea,menstrual irregularities,hair loss (temporary). Not everyone experiences these side effects.

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

Common Side Effects

Palpitations
fast heartbeat
tremor
nervousness
headache
insomnia
sweating
heat intolerance
weight loss
diarrhoea
menstrual irregularities
hair loss (temporary)

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

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.

Drug Interactions

Thyroup 100 may interact with the following:

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

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Generally safe (use with monitoring/consult doctor)

Alcohol Interaction

Use with caution

Habit Forming

Storage

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

Thyroup 100 — Safety Summary

Composition: Levothyroxine sodium 100 mcg (as tablets)
Prescription: Required (Rx)
Pregnancy: Generally safe (use with monitoring/consult doctor)
Alcohol: Use with caution
Habit forming: No

Thyroup 100 — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

Get help from a doctor

Consult a doctor

Discuss side effects with a qualified doctor online.

View all medicines

Full product details for Thyroup 100.

Lab tests

Book tests to monitor your health while on medication.

Sick leave certificate

Unwell and need rest? A doctor can issue a leave certificate online, from ₹499.

Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.

Thyroup 100 — Side Effects & Warnings

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