Slideshows Images Quizzes


Last reviewed on RxList: 11/15/2017
Thyrolar Side Effects Center

Last reviewed on RxList 11/15/2017

Thyrolar Tablets (liotrix) is a synthetic thyroid hormone used to treat hypothyroidism (low thyroid hormone), and to treat or prevent goiter (enlarged thyroid gland). Thyrolar is also given as part of medical testing for thyroid disorders. Common side effects of Thyrolar include temporary hair loss (especially in children) during the first few months of starting this drug. Other side effects of Thyrolar may include diarrhea, bone pain, headache, mental/mood changes (e.g., nervousness, mood swings, depression, anxiety), shaking (tremor), sensitivity to heat, increased sweating, tiredness, nausea, weakness, weight gain, dry or itchy skin, or joint or muscle pain.

The usual starting dose is one tablet of Thyrolar � with increments of one tablet of Thyrolar � every 2 to 3 weeks. Thyrolar may interact with birth control pills or hormone replacement therapy, blood thinners, digoxin, epinephrine or norepinephrine, insulin or oral diabetes medication, medications that contain iodine, antidepressants, salicylates such as aspirin or Pepto-Bismol and others, or steroids. Tell your doctor all medications and supplements you use. Current information shows that Thyrolar may be used during pregnancy. Tell your doctor if you are pregnant or if you become pregnant because your dose may need to be adjusted. Small amounts of this medication pass into breast milk. Consult your doctor before breastfeeding.

Our Thyrolar Tablets (liotrix) 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.

Thyrolar Consumer Information

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

Less serious side effects may include:

  • headache;
  • nausea;
  • depression, anxiety, feeling weak or tired;
  • weight gain;
  • dry or itchy skin;
  • joint or muscle pain; or
  • temporary hair loss (especially in children).

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 Thyrolar (Liotrix)

Thyrolar Professional Information


During postmarketing surveillance, the following events have been observed to have occured in patients administered Thyrolar (liotrix) : fatigue, sluggishness, increase in weight, alopecia, palpitations, dry skin, urticaria, headache, hyperhidrosis, pruritus, asthenia, increased blood pressure, arthralgia, myalgia, tremor, hypothyroidism, increase in TSH, decrease in TSH, nausea, chest pain, hypersensitivity, keratoconjunctivitis sicca, increased heart rate, irregular heart rate, anxiety, depression, and insomnia.

Adverse reactions other than those indicative of hyperthyroidism because of therapeutic overdosage, either initially or during the maintenance period, are rare (See OVERDOSAGE).

Read the entire FDA prescribing information for Thyrolar (Liotrix)

Related Resources for Thyrolar

Related Health

Read the Thyrolar User Reviews »

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

Health Solutions From Our Sponsors