LETHYROX 25 (25mcg Levothyroxine)

Product Information

Lethyrox 25 Tablet is a synthetic version of thyroxine, a hormone normally produced by the thyroid gland. It is used to treat hypothyroidism (underactive thyroid), goiter (enlarged thyroid gland), and certain types of thyroid cancer.

This medicine restores thyroid hormone levels to normal, helping relieve symptoms such as tiredness, weight gain, and muscle aches.

• For most patients, treatment is lifelong.
• Do not stop taking this medicine without consulting your doctor.
• Your doctor will regularly monitor thyroid hormone levels with blood tests to ensure correct dosing.

Why is this Medication Prescribed?

• To treat hypothyroidism, where the thyroid does not make enough hormone.
• To treat an enlarged thyroid gland (goiter).
• To treat certain types of thyroid cancer.

Uses

• Hypothyroidism
• Goiter (enlarged thyroid)
• Certain thyroid cancers

Benefits

• Restores thyroid hormone levels to normal.
• Relieves symptoms of hypothyroidism such as fatigue, weight gain, and muscle aches.
• Prevents complications of untreated thyroid hormone deficiency.
• Helps manage thyroid enlargement and some thyroid cancers.

How Should this Medicine be Used?

• Take exactly as prescribed by your doctor.
• Usually taken once daily, on an empty stomach, preferably in the morning.
• Take with a full glass of water.
• Avoid food, calcium, or iron supplements within 4 hours of the dose, as these can reduce absorption.
• Treatment is often lifelong.
• Do not stop suddenly without medical advice.

Special Precautions

Before taking Lethyrox, inform your doctor if you:

• Have heart disease, high blood pressure, or diabetes.
• Are pregnant or breastfeeding (dose adjustments may be required).
• Take medications such as calcium, iron, antacids, or cholesterol-lowering drugs, which may interact with levothyroxine.

Possible Side Effects

If your dose is too high, symptoms may resemble hyperthyroidism:

• Increased appetite
• Weight loss
• Nervousness or irritability
• Heat intolerance, sweating
• Fast or irregular heartbeat (palpitations)
• Tremors or difficulty sleeping

Consult your doctor if you experience persistent or severe side effects.

Storage & Disposal

• Store in a cool, dry place away from moisture and heat.
• Keep in the original blister packaging until use.
• Keep out of reach of children and pets.
• Do not use after expiry date. Dispose of unused medicine safely.

Emergency Guidance

• Overdose: Seek emergency help if you take too much. Symptoms may include chest pain, fast heartbeat, shortness of breath, confusion, or seizures.
• Allergic reaction: Stop taking and get immediate help if you develop rash, itching, swelling of face/tongue/throat, or difficulty breathing.