Lethyrox 12.5 is used for Hypothyroidism (underactive thyroid), thyroid hormone replacement after thyroidectomy, goitre/thyroid suppression therapy as advised by doctor.
goitre/thyroid suppression therapy as advised by doctor
How Lethyrox 12.5 Works
Levothyroxine is a synthetic form of thyroxine (T4), a natural thyroid hormone. It replaces deficient thyroid hormone and is converted in the body to the active hormone (T3), helping normalize metabolism, energy, heart rate and growth.
Dosage & Directions
Oral tablet. Take exactly as prescribed, usually once daily on an empty stomach (preferably morning) 30–60 minutes before food with water. Take at the same time each day; avoid taking along with calcium/iron/antacids—keep a 4-hour gap unless advised otherwise.
Always follow your doctor's prescription. Do not self-medicate.
Key Benefits
Replaces deficient thyroid hormone
Helps normalize TSH and thyroid levels
Improves symptoms like fatigue and weight gain due to hypothyroidism
Supports normal metabolism and energy
Helps maintain normal heart rate and body temperature
Pregnancy
Generally safe (often required in pregnancy); dose adjustment and close monitoring needed—consult doctor
Alcohol Interaction
Use with caution; alcohol does not directly interact but may worsen symptoms or affect adherence—follow medical advice
Lethyrox 12.5 — Quick Facts
Composition
Levothyroxine sodium 12.5 mcg tablet
Therapeutic class
Thyroid hormone replacement
Drug class
Thyroid hormone (synthetic T4)
Prescription
Not required (OTC)
Price
₹65
Habit forming
No
Storage
Store below 25°C in a dry place, protected from light and moisture. Keep in original blister/strip and out of reach of children.
Lethyrox 12.5 — Usage FAQs
How should I take this medicine?
Follow the dosage prescribed by your doctor. Do not alter the dose without medical advice.
Can I take this medicine without a prescription?
Prescription-required medicines need a valid Rx. OTC medicines can be purchased directly.
What if I miss a dose?
Take the missed dose as soon as you remember, unless it is close to your next scheduled dose. Do not double the dose.
How long does it take to show effect?
The time to show effect varies by medicine and condition. Consult your doctor for specific timelines.
This information is for educational purposes only and is not a substitute for professional medical advice. Always consult your doctor or pharmacist before taking any medicine.
