Prescription requiredThyroid hormone replacement

Thyrox 25 Tablet — Uses, Dosage & Benefits

Thyrox 25 Tablet is used for Treatment of hypothyroidism (underactive thyroid), thyroid hormone replacement after thyroidectomy or radioiodine therapy, suppression of TSH in certain thyroid cancers/goitre as advised by doctor.

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

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Active Ingredient / Composition

Levothyroxine sodium 25 mcg (equivalent to Levothyroxine 25 mcg)

What is Thyrox 25 Tablet used for?

Treatment of hypothyroidism (underactive thyroid)
thyroid hormone replacement after thyroidectomy or radioiodine therapy
suppression of TSH in certain thyroid cancers/goitre as advised by doctor

How Thyrox 25 Tablet Works

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

Dosage & Directions

Take orally once daily exactly as prescribed, preferably in the morning on an empty stomach 30–60 minutes before breakfast with water. Take at the same time daily. Avoid taking with calcium/iron/antacids; keep a gap of at least 4 hours. Do not stop or change dose without medical advice; dose is adjusted based on TSH/T4 tests.

Always follow your doctor's prescription. Do not self-medicate.

Key Benefits

Restores thyroid hormone levels
Improves symptoms of hypothyroidism (fatigue
weight gain
cold intolerance)
Normalises TSH
Supports metabolism and energy
Helps maintain normal growth and development (when indicated)

Pregnancy

Generally safe (often required in pregnancy); dose adjustment and close TSH monitoring needed—consult doctor

Alcohol Interaction

Use with caution; no direct interaction known, but excessive alcohol may affect thyroid function and overall control

Thyrox 25 Tablet — Quick Facts

Composition: Levothyroxine sodium 25 mcg (equivalent to Levothyroxine 25 mcg)
Therapeutic class: Thyroid hormone replacement
Drug class: Thyroid hormone (synthetic T4)
Prescription: Required (Rx)
Price: ₹185
Habit forming: No
Storage: Store below 25°C in a cool, dry place protected from light and moisture. Keep in original blister pack and out of reach of children.

Thyrox 25 Tablet — 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.

Thyrox 25 Tablet — Uses, Dosage & Benefits

Active Ingredient / Composition

What is Thyrox 25 Tablet used for?

How Thyrox 25 Tablet Works

Dosage & Directions

Key Benefits

Pregnancy

Alcohol Interaction

Thyrox 25 Tablet — Quick Facts

Thyrox 25 Tablet — Usage FAQs

More from PingMeDoc™

Safety disclaimer

Thyrox 25 Tablet — Uses, Dosage & Benefits

Active Ingredient / Composition

What is Thyrox 25 Tablet used for?

How Thyrox 25 Tablet Works

Dosage & Directions

Key Benefits

Pregnancy

Alcohol Interaction

Thyrox 25 Tablet — Quick Facts

Thyrox 25 Tablet — Usage FAQs

More from PingMeDoc™

Safety disclaimer