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Cytomel

Last reviewed on RxList: 8/10/2020
Cytomel Side Effects Center

What Is Cytomel?

Cytomel (liothyronine sodium) is a synthetic thyroid hormone used to treat hypothyroidism (low thyroid hormone). Cytomel is also used to treat or prevent goiter (enlarged thyroid gland), and is also given as part of a medical tests for thyroid disorders. Cytomel is available in generic form.

What Are Side Effects of Cytomel?

Common side effects of Cytomel include:

  • nausea.

In rare cases, temporary hair loss may occur during the first few months of starting Cytomel (especially in children). Tell your doctor immediately if you experience unlikely but serious signs of too much thyroid hormone including:

  • headache,
  • irritability,
  • trouble sleeping,
  • nervousness,
  • increased sweating,
  • heat intolerance,
  • diarrhea, and
  • menstrual changes.

Dosage for Cytomel

To treat mild hypothyroidism the recommended starting dose of Cytomel is 25 mcg daily. Usual maintenance dose is 25 to 75 mcg daily. Dosage for other conditions varies.

What Drugs, Substances, or Supplements Interact with Cytomel?

Cytomel may interact with birth control pills or hormone replacement therapy, blood thinners, digoxin, insulin or oral diabetes medication, medications that contain iodine, antidepressants, aspirin or other salicylates, or steroids. Tell your doctor all medications you use.

Cytomel During Pregnancy and Breastfeeding

Current information shows Cytomel may be used during pregnancy. Consult your doctor before becoming pregnant. This medication passes into breast milk. While there have been no reports of harm to nursing infants, consult your doctor before breastfeeding.

Additional Information

Our Cytomel (liothyronine sodium) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

QUESTION

Where is the thyroid gland located? See Answer
Cytomel Consumer Information

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Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using liothyronine and call your doctor if you have symptoms of thyroid toxicity, such as chest pain, fast or pounding heartbeats, feeling hot or nervous, or sweating more than usual.

Also call your doctor at once if you have:

  • weak or shallow breathing;
  • confusion;
  • a feeling of being cold all the time;
  • changes in weight or appetite;
  • chest pressure spreading to your jaw or shoulder;
  • a light-headed feeling, like you might pass out;
  • severe headaches, ringing in your ears, dizziness, vision problems, pain behind your eyes;
  • a seizure; or
  • (in a child or teenager) pain, stiffness, and trouble moving the legs.

Common side effects may include:

  • trouble breathing;
  • headache;
  • tremors, feeling nervous or irritable;
  • muscle weakness;
  • increased appetite;
  • diarrhea;
  • irregular menstrual periods;
  • weight loss;
  • feeling hot;
  • rash; or
  • sleep problems (insomnia).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Cytomel (Liothyronine Sodium)

SLIDESHOW

Hyperthyroidism Symptoms and Treatment See Slideshow
Cytomel Professional Information

SIDE EFFECTS

Adverse reactions, other than those indicative of hyperthyroidism because of therapeutic overdosage, either initially or during the maintenance period are rare (see OVERDOSAGE). In rare instances, allergic skin reactions have been reported with Cytomel (liothyronine sodium) Tablets.

Read the entire FDA prescribing information for Cytomel (Liothyronine Sodium)

Related Resources for Cytomel

Related Health

Read the Cytomel User Reviews »

© Cytomel Patient Information is supplied by Cerner Multum, Inc. and Cytomel Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

QUESTION

Where is the thyroid gland located? See Answer

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