Lethyrox 25mcg (Levothyroxine Sodium Tablet) 25mcg

Lethyrox 25mcg is a levothyroxine sodium tablet used to support thyroid hormone levels. It helps manage hypothyroidism and related conditions with consistent daily use. This 25mcg strength is commonly prescribed for mild to moderate thyroid hormone deficiency. Store at room temperature away from moisture and heat.

Strength

25mcg

Pack Size

100s

Storage

Ambient

Manufacturer / TM Owner

Intas Pharmaceuticals Ltd

Select Quantity

Pack/s

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Indications & Clinical Uses

Levothyrox 25mcg is primarily used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormone. It may also be prescribed for certain types of goiter and to prevent the recurrence of thyroid cancer after surgery. This medication helps restore normal hormone levels and supports metabolism, energy, and overall well-being. It is not a weight-loss drug and should only be used as directed by a healthcare professional.

Side Effects

Levothyrox 25mcg works gradually to restore thyroid hormone balance in the body. Users may notice improved energy levels, reduced fatigue, and better tolerance to cold temperatures over time. Some people report improved mood and mental clarity as hormone levels stabilize. Effects vary by individual and may take several weeks to become noticeable.

Precautions & Warnings

Take Lethyrox 25mcg exactly as prescribed, usually once daily on an empty stomach, 30 to 60 minutes before breakfast. Avoid taking it with calcium, iron, or multivitamins within 4 hours, as these can interfere with absorption. Keep the medication in its original packaging and store at room temperature. Do not use if the tablet is discolored or crumbled.

Avoid Interactions

Levothyroxine can interact with several medications, including antacids, calcium supplements, iron tablets, and some cholesterol drugs. Certain foods like soy, walnuts, and high-fiber foods may also reduce absorption. Always inform your healthcare provider about all medications and supplements you are taking. Separating doses by several hours can help minimize interactions.

Frequently Asked Questions

Lethyrox 25mcg is used to treat hypothyroidism by replacing or supplementing thyroid hormone levels in the body.

Take it once daily on an empty stomach, preferably in the morning, at least 30 minutes before breakfast.

Some medications can interfere with levothyroxine; consult your doctor before combining it with other drugs or supplements.

Possible side effects include headache, sweating, or temporary hair loss, especially when starting treatment.

Levothyroxine is generally considered safe during pregnancy, but dosage adjustments may be needed under medical supervision.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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