Levothyroxine Sodium Tablets (Euthyrox) is an important thyroid hormone replacement therapy medication, widely used in the treatment of various types of hypothyroidism. As a commonly prescribed drug in clinical practice, Euthyrox has clear indications, multiple specifications, and strict storage requirements.

Indications of Levothyroxine Sodium Tablets (Euthyrox)

Hypothyroidism

Levothyroxine Sodium Tablets are mainly used for the treatment of various types of hypothyroidism.

This includes congenital or acquired hypothyroidism that is primary (thyroidal), secondary (pituitary), or tertiary (hypothalamic).

For these patients, Levothyroxine Sodium Tablets can effectively replace the thyroid hormone deficient in the body and restore normal metabolic function.

Adjuvant Treatment for Thyroid Cancer

In the treatment of thyroid cancer, Levothyroxine Sodium Tablets are used as an adjuvant to surgery and radioactive iodine therapy, for the management of TSH (thyroid-stimulating hormone)-dependent well-differentiated thyroid cancer.

By inhibiting TSH secretion, Levothyroxine Sodium Tablets can reduce the risk of cancer cell growth and recurrence.

Usage Limitations

Levothyroxine Sodium Tablets are not suitable for the suppressive treatment of benign thyroid nodules and non-toxic diffuse goiter in iodine-sufficient patients.

It is also not recommended for the treatment of hypothyroidism during the recovery phase of subacute thyroiditis.

Specifications and Properties of Levothyroxine Sodium Tablets (Euthyrox)

Dosage Form Characteristics

Levothyroxine Sodium Tablets are oral uncoated tablets, presenting as off-white round tablets with flat surfaces on both sides and beveled edges. There are score lines on both sides of the tablets.

The tablets are engraved with the letters "EM" and corresponding dosage numbers, facilitating identification.

Dosage Specifications

The medication is available in multiple dosage specifications to meet the individualized needs of different patients.

Specific specifications include: 25 mcg, 50 mcg, 75 mcg, 88 mcg, 100 mcg, 112 mcg, 125 mcg, 137 mcg, 150 mcg, 175 mcg, and 200 mcg.

Storage Method of Levothyroxine Sodium Tablets (Euthyrox)

Temperature Requirements

Levothyroxine Sodium Tablets should be stored in an environment between 20°C and 25°C (68°F and 77°F), with short-term storage allowed within the temperature range of 15°C to 30°C (59°F to 86°F).

Avoid exposure to high-temperature environments to prevent adverse effects on the stability of the medication.

Light and Moisture Protection

This medication is sensitive to light and moisture and must be stored in its original packaging to avoid exposure to light and humid conditions.

Keep the packaging intact and do not remove the tablets until ready for use—this is an important measure to ensure the potency of the medication.

Packaging Characteristics

Levothyroxine Sodium Tablets are packaged in blister packs, with 15 tablets per blister card. The 30-tablet carton contains 2 blister cards, and the 90-tablet carton contains 6 blister cards.

Do not remove the tablets from the blister packs in advance, nor separate individual blisters from the complete packaging—only take out the required dosage when ready to administer the medication.