sudden loss of coordination. Pharmaceutical Society of Australia "APPGuide online. The mean daily thyroxine dose was 1.99 mcg/kg (range, 0.3 to 6.6 mcg/kg) with a mean duration of therapy of 20.4 years (range, less than 1 to 68 years). If experienced, these tend to have a Severe expression. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.Mayo Clinic does not endorse companies or products. These reactions have included urticaria, pruritus, skin rash, flushing, angioedema, various GI symptoms (1. Synthroid (levothyroxine)." A Skin Rash. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Leese GP, Jung RT, Guthrie C, Waugh N, Browning MC "Morbidity in patients on L-thyroxine: a comparison of those with a normal TSH to those with a suppressed TSH." Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:Other side effects not listed may also occur in some patients. Common side effects of Topamax include: anxiety, ataxia, confusion, diarrhea, diplopia, dizziness, drowsiness, dysphasia, fatigue, lack of concentration, memory impairment, nausea, nervousness, paresthesia, psychomotor disturbance, speech disturbance, depression, visual disturbance, weight loss, dysgeusia, mood changes, and anorexia. Sheppard MC, Holder R, Franklyn JA "Levothyroxine treatment and occurrence of fracture of the hip." ([2006]):2. 4. Taking too much levothyroxine can affect your mood and nervous system. A Type Of Allergic Reaction Called Angioedema.

Advertising revenue supports our not-for-profit mission.Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. Other signs include trouble concentrating, problems with memory and confusion. Abnormal Heart Rhythm. All rights reserved. Although not all of these side effects may occur, if they do occur they may need medical attention.Some side effects of levothyroxine may occur that usually Check with your health care professional if any of the following side effects The more commonly reported adverse events have included those of Cardiac function was evaluated in 20 patients requiring Overtreatment with this drug may cause an increase in heart rate, cardiac wall thickness, and cardiac contractility and may precipitate A study evaluated the effect of long-term thyroid hormone therapy on bone mineral density in 196 women (mean age, 74.4 years) compared to a control group comprised of 795 women (mean age, 72.1 years). O 05. You may report them to the The easiest way to lookup drug information, identify pills, check interactions and set up your own personal medication records.

Levothyroxine systemic 50 mcg (0.05 mg) (M L 5) We comply with the HONcode standard for trustworthy health information - Australian prescription products guide online. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. RARE side effects. See below for a comprehensive list of adverse effects. A Heart Attack. Along with its needed effects, levothyroxine may cause some unwanted effects. Women taking daily doses of 1.6 mcg/kg or more had significantly lower bone mineral density levels at the ultradistal radius, midshaft radius, hip, and lumbar spine compared to controls. "Product Information. disorientation. All rights reserved. However, estrogen use appeared to negate the adverse effects of thyroid hormone on bone mineral density.Higher rates of femur fractures have been found in males (p=0.008) prescribed long-term thyroid hormone therapy as compared to controls in a case-control analysis of 23,183 patients, from the United Kingdom General Practice Research Database, prescribed thyroid hormone.Overtreatment may result in craniosynostosis in infants and premature closure of the epiphyses in children with resultant compromised adult height.Hypersensitivity reactions have occurred; however, it has been attributed to the inactive ingredients.

fast or weak pulse. Some side effects may occur that usually do not need medical attention. Abbott Pharmaceutical, Abbott Park, IL. loss of consciousness. Arch Intern Med 150 (1990): 2077-813. Arch Intern Med 162 (2002): 338-436. These side effects may go away during treatment as your body adjusts to the medicine. sudden headache. Although not all of these side effects may occur, if they do occur they may need medical attention.Check with your doctor immediately if any of the following side effects occur:Get emergency help immediately if any of the following symptoms of overdose occur:Some side effects may occur that usually do not need medical attention. Available for Android and iOS devices. Clin Endocrinol (Oxf) 37 (1992): 500-3Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.Some side effects may not be reported. sudden slurring of speech. Petersen K, Bengtason C, Lapidus L, et al "Morbidity, mortality, and quality of life for patients treated with levothyroxine." © 1998-2020 Mayo Foundation for Medical Education and Research (MFMER).

lightheadedness. Thyroid Drug May Not Help After Heart Attack: Study Some people feel restless, irritable or nervous. You may report side effects to the FDA at 1-800-FDA-1088.Portions of this document last updated: Sept. 01, 2020Copyright © 2020 IBM Watson Health. Our general interest e-newsletter keeps you up to date on a wide variety of health topics.Along with its needed effects, a medicine may cause some unwanted effects.

If you notice any other effects, check with your healthcare professional.Call your doctor for medical advice about side effects. Available from: URL: http://www.appco.com.au/appguide/default.asp." Although not all of these side effects may occur, if they do occur they may need medical attention.Check with your doctor immediately if any of the following side effects occur while taking levothyroxine:

The extra thyroid hormone can also cause fine tremors, especially in the hands. Cerner Multum, Inc. "UK Summary of Product Characteristics." Other side effects include: arthralgia, and asthenia.