Levothyroxine
Thyroid Hormone · Hypothyroidism
Drug Overview
- Active Ingredient
- Levothyroxine Sodium
- Brand Name
- Synthroid
- Drug Class
- Thyroid Hormone
- Therapeutic Indication
- Hypothyroidism
- Treats
- Hypothyroidism
- Available Dosages
- 25mcg, 50mcg, 75mcg, 88mcg, 100mcg, 112mcg, 125mcg, 137mcg, 150mcg, 175mcg, 200mcg, 300mcg tablets
- Mechanism of Action
- Synthetic T4 replacement
- Pregnancy Category
- Category A / Safe in pregnancy — do not discontinue: fetal harm from untreated hypothyroidism
- Generic Available
- Yes
Warning & Precautions
Do not use for weight loss. Monitor TSH levels regularly.
Clinical Identifiers
- RxNorm (RxCUI)
- 10582
- NDC (National Drug Code)
- 0074-3727-90