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Thyrolar Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Thyrolar Tablets (liotrix) is a synthetic thyroid hormone used to treat hypothyroidism (low thyroid hormone), and to treat or prevent goiter (enlarged thyroid gland). It is also given as part of medical testing for thyroid disorders. Common side effects include hair loss during the first few months of starting this drug. This effect is usually temporary as your body adjusts to this medication. Other side effects may include diarrhea, bone pain, headache, mental/mood changes (e.g., nervousness, mood swings), shaking (tremor), sensitivity to heat, increased sweating, or tiredness.
The usual starting dose is one tablet of Thyrolar ½ with increments of one tablet of Thyrolar ¼ 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 breast-feeding.
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.
What is Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Thyrolar in Detail - Patient Information: Side Effects
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:
- depression, anxiety, feeling weak or tired;
- weight gain;
- dry or itchy skin;
- joint or muscle pain; or
- temporary hair loss (especially in children).
Read the entire detailed patient monograph for Thyrolar (Liotrix) »
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
Thyrolar Overview - Patient Information: Side Effects
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor immediately if any of these unlikely but serious effects of high thyroid hormone levels occur: diarrhea, bone pain, headache, mental/mood changes (e.g., nervousness, mood swings), shaking (tremor), sensitivity to heat, increased sweating, tiredness.
Seek immediate medical attention if any of these rare but very serious effects of high thyroid hormone levels occur: chest pain, fast/pounding/irregular heartbeat, seizures, swelling of the ankles/feet.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Thyrolar (Liotrix)»
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Thyrolar FDA Prescribing Information: Side Effects
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.
Read the entire FDA prescribing information for Thyrolar (Liotrix) »
Additional Thyrolar Information
Thyrolar - User Reviews
Thyrolar User Reviews
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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