Levothyroxine

Sodium is the primary active ingredient. it's a synthetic form of thyroxine (t4), a hormone naturally produced by the thyroid gland.

Hypothyroidism (underactive thyroid): Levothyroxine replaces the missing or insufficient thyroid hormone.

Goiter (enlarged thyroid gland): In some cases, levothyroxine can help shrink the goiter.

Thyroid cancer: After thyroid surgery, levothyroxine helps maintain normal thyroid hormone levels.

Myxedema coma: A life-threatening condition of severe hypothyroidism, levothyroxine is used in emergency treatment.

Lethyrox 150mcg Tab 100s (Levothyroxine) replaces the missing thyroid hormone, T4. T4 is converted into T3 (triiodothyronine), the active form of thyroid hormone, in the body's tissues. This helps regulate metabolism, growth, and development.

Store at room temperature, away from moisture and heat. Keep out of reach of children. Do not use if the packaging is damaged or tampered with.

Dosage is determined by your doctor based on your individual needs and thyroid function tests.

It's usually taken once daily, on an empty stomach, at least 30-60 minutes before breakfast.

Do not crush, chew, or break the tablets unless specifically directed by your doctor.

Regular blood tests are necessary to monitor your thyroid hormone levels and adjust the dosage as needed.

Rapid or irregular heartbeat

Weight loss

Tremors

Anxiety

Insomnia

Headache

Muscle weakness

Heat intolerance

Increased sweating

Diarrhea

Changes in menstrual cycle

Alcohol Consumption

Moderate alcohol consumption is generally acceptable, but excessive alcohol can interfere with medication absorption. Consult your doctor.



While Driving or operating Machinery

Levothyroxine may cause side effects like tremors or nervousness, potentially impairing driving or operating machinery. Consult your doctor if you experience these effects.



Pregnant & Breastfeeding Women

Levothyroxine is generally safe during pregnancy and breastfeeding. However, close monitoring by your doctor is crucial.



Children

Dosage for children is adjusted based on age, weight, and thyroid function. Precise monitoring is essential.



Kidney

Generally safe, but dosage adjustments may be necessary in cases of severe kidney disease. Consult your doctor.



Liver

Generally safe, but dosage adjustments may be necessary in cases of severe liver disease. Consult your doctor.

Your doctor or pharmacist

Package insert included with medication

Reputable medical websites (e.g., Mayo Clinic, MedlinePlus)