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Learn about the common and rare side effects of levothyroxine, a medicine used to treat thyroid problems. Find out when to seek medical attention or report to the FDA.
- Levothyroxine (Oral Route) Description and Brand Names
Levothyroxine is used to treat hypothyroidism, a condition...
- Before Using
Using this medicine with any of the following may cause an...
- Precautions
Levothyroxine should not be used for the treatment of...
- Levothyroxine (Oral Route) Description and Brand Names
- Serious Side Effects of Levothyroxine
- Other Side Effects of Levothyroxine
- For Healthcare Professionals
- Frequently Asked Questions
- Further Information
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Along with its needed effects, levothyroxine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediatelyif any of the following side effects occur while taking levothyroxine:
Some side effects of levothyroxine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the ...
Applies to levothyroxine: compounding powder, injectable powder for injection, intravenous powder for injection, intravenous solution, oral capsule, oral solution, oral tablet.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Some side effects may not be reported. You may report them to the FDA. Medical Disclaimer
Learn about the possible side effects of levothyroxine, a thyroid hormone medication, and when to seek medical attention. Find out how levothyroxine can affect your heart, bones, nerves, skin, and more.
- Heat intolerance. Thyroid hormones play a role in maintaining body temperature. When there are more thyroid hormones in your body — such as through levothyroxine use — your core body temperature can go up.
- Sweating. You might sweat more than normal, especially on your palms or feet, while you’re taking levothyroxine. Elevated levels of thyroid hormones can turn on your body’s “fight-or-flight” response, which can lead to sweating.
- Irregular heartbeats or palpitations. Some people taking levothyroxine can have irregular heartbeats, like a fast heart rate or heart palpitations. Sometimes, this can feel like a racing or pounding heart.
- Diarrhea. While taking levothyroxine, you may experience diarrhea. Elevated thyroid hormone levels can cause your gut to make more digestive juices and speed up how fast things move through your small intestine, causing diarrhea.
Jan 4, 2024 · Levothyroxine is a hormone used to treat hypothyroidism and thyroid cancer. Learn about its common and serious side effects, warnings, interactions, and how to take it correctly.
- Senior Editorial Pharmacist
- In most cases, levothyroxine causes some weight loss. According to the American Thyroid Association, when this medication is started, you may lose...
- Most foods are considered fine to eat for breakfast as long as they are eaten 30 to 60 minutes after taking levothyroxine. Levothyroxine should be...
- Levothyroxine is known to interact with many other medications (called a drug-drug interaction), but there are different kinds of drug-drug interac...
- Yes, levothyroxine, the main treatment for a sluggish thyroid gland, may cause hair loss in addition to other side effects. You may experience part...
- You should avoid drinking milk until at least 4 hours after taking levothyroxine. Dairy products—including milk, cheese and yogurt—contain high cal...
- Levothyroxine will stay in your system for around 4 to 6 weeks. It takes longer for people with hypothyroidism to eliminate levothyroxine (closer t...
- Levoxyl and Synthroid are brand names for the drug levothyroxine. Both medications contain the same active ingredient, levothyroxine, but they cont...
May 10, 2020 · Levothyroxine is a hormone drug used to treat hypothyroidism, goiter, and thyroid cancer. It can cause common side effects such as weight loss, heat sensitivity, and anxiety, and serious side effects such as heart attack and heart failure.
Nov 6, 2022 · Learn about the common, mild, and serious side effects of levothyroxine, a drug used to treat thyroid conditions. Find out how to manage them and when to call your doctor.
Levothyroxine is a thyroid hormone medication that can cause serious or life-threatening problems when taken in large doses or with certain other drugs. Learn about the common and rare side effects, how to take levothyroxine safely, and what to do if you forget a dose.
