Levothyroxine is a replacement for a hormone normally produced by your thyroid gland to regulate the body’s energy and metabolism. It is given when the thyroid does not produce enough of this hormone on its own. It also┬átreats hypothyroidism (low thyroid hormone), treat or prevent goiter (enlarged thyroid gland), which is strongly┬ácaused by hormone imbalances, radiation treatment, surgery, or cancer.

As replacement or supplemental therapy in congenital or acquired hypothyroidism of any etiology, except transient hypothyroidism during the recovery phase of subacute thyroiditis. Specific indications include: primary (thyroidal), secondary (pituitary), and tertiary (hypothalamic) hypothyroidism and subclinical hypothyroidism. Primary hypothyroidism may result from functional deficiency, primary atrophy, partial or total congenital absence of the thyroid gland, or from the effects of surgery, radiation, or drugs, with or without the presence of goiter.

You may not be able to take this medication if you have certain medical conditions. Tell your doctor if you have an untreated or uncontrolled adrenal gland disorder, a thyroid disorder called thyrotoxicosis, or if you have any recent or current symptoms of a heart attack.

Levothroid (levothyroxine)

Levothroid (levothyroxine)

Levothyroxine should not be used to treat obesity or weight problems. Dangerous side effects or death can occur from the misuse of levothyroxine, especially if you are taking any other weight-loss medications or appetite suppressants.

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  • Levothroid (levothyroxine)
  • If any of the following symptoms of overdose occur while taking levothyroxine, get emergency help immediately:

    Symptoms of overdose
    Change in consciousness
    cold, clammy skin
    fast or weak pulse
    loss of consciousness
    sudden headache
    sudden loss of coordination
    sudden slurring of speech
  • Consult your physician for proper dosage computation