Eltroxin
Eltroxin contains Levothyroxine, a synthetic version of the thyroid hormone thyroxine (T4) naturally produced by the thyroid gland. It is prescribed to replace or supplement thyroxine deficiency to restore normal physical and mental metabolic activity.
Dosage by Body Weight
Take exactly as prescribed by your doctor, usually as a single daily dose on an empty stomach, 30 to 60 minutes before breakfast. Swallow the tablet whole with a full glass of water. Avoid taking antacids, calcium, or iron supplements within 4 hours of this medication as they can decrease its absorption.
- Body Weight
- Below 5 kg
- Dose
- 10 to 15 mcg/kg/day
- Frequency
- Once daily
- Tracking Notes
- Dose is highly specialized for neonates and infants. Must be titrated and monitored strictly by a pediatric endocrinologist using serum TSH and free T4 levels. Tablets may be crushed and mixed with a small amount of water, breastmilk, or formula (avoid soy formula).
- Body Weight
- 5-7 kg
- Dose
- 8 to 10 mcg/kg/day
- Frequency
- Once daily
- Tracking Notes
- Typical for infants aged 3 to 6 months. Regular blood monitoring is required to adjust dose safely. Do not administer with soy-based formulas or iron/calcium supplements.
- Body Weight
- 8-10 kg
- Dose
- 6 to 8 mcg/kg/day
- Frequency
- Once daily
- Tracking Notes
- Typical for infants aged 6 to 12 months. Dose must be individualised based on clinical response and routine laboratory thyroid function tests.
- Body Weight
- 11-15 kg
- Dose
- 5 to 6 mcg/kg/day
- Frequency
- Once daily
- Tracking Notes
- Typical for children aged 1 to 3 years. Ensure consistent daily administration to prevent growth and developmental delays.
- Body Weight
- 16-20 kg
- Dose
- 4 to 5 mcg/kg/day
- Frequency
- Once daily
- Tracking Notes
- Typical for children aged 3 to 5 years. Dosages should be monitored periodically as the child grows and undergoes physiological changes.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| Below 5 kg | 10 to 15 mcg/kg/day | Once daily | Dose is highly specialized for neonates and infants. Must be titrated and monitored strictly by a pediatric endocrinologist using serum TSH and free T4 levels. Tablets may be crushed and mixed with a small amount of water, breastmilk, or formula (avoid soy formula). |
| 5-7 kg | 8 to 10 mcg/kg/day | Once daily | Typical for infants aged 3 to 6 months. Regular blood monitoring is required to adjust dose safely. Do not administer with soy-based formulas or iron/calcium supplements. |
| 8-10 kg | 6 to 8 mcg/kg/day | Once daily | Typical for infants aged 6 to 12 months. Dose must be individualised based on clinical response and routine laboratory thyroid function tests. |
| 11-15 kg | 5 to 6 mcg/kg/day | Once daily | Typical for children aged 1 to 3 years. Ensure consistent daily administration to prevent growth and developmental delays. |
| 16-20 kg | 4 to 5 mcg/kg/day | Once daily | Typical for children aged 3 to 5 years. Dosages should be monitored periodically as the child grows and undergoes physiological changes. |
Formulation
Purpose
Used for thyroid hormone replacement therapy in patients with hypothyroidism (underactive thyroid) and for suppressing thyroid-stimulating hormone (TSH) in thyroid cancer and goiters.
Generic Name
Levothyroxine SodiumScheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.