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Synthroid, also known as levothyroxine, is a medication that is commonly prescribed to treat an underactive thyroid gland. The thyroid gland plays a crucial role in regulating metabolism, and when it is not functioning correctly, it can lead to a variety of symptoms and health problems. Synthroid effectively replaces the hormone that the ...
Learn about the common and rare side effects of levothyroxine, a thyroid hormone medication. Find out when to seek medical attention or report to the FDA.
- What Is Levothyroxine?
- Levothyroxine Side Effects
- Warnings
- Before Taking This Medicine
- How Should I Use Levothyroxine?
- What Happens If I Miss A dose?
- What Happens If I Overdose?
- What Should I Avoid While Using Levothyroxine?
- What Other Drugs Will Affect Levothyroxine?
- Popular FAQ
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Levothyroxine is used in adults and children to treat hypothyroidism(underactive thyroid - a condition where the thyroid gland does not produce enough thyroid hormone). Levothyroxine is also used in adults along with surgery and radioactive iodine therapy to treat a certain type of thyroid cancer. Levothyroxine injection is used in adults to treat ...
Get emergency medical help if you have signs of an allergic reaction to levothyroxine: hives, difficult breathing, swelling of your face, lips, tongue, or throat. Levothyroxine may cause serious side effects. Call your doctor at once if you have: 1. sudden pain or trouble moving your hip, wrist, or back; 2. fast or irregular heartbeats; 3. chest pa...
You may not be able to use levothyroxine if you have certain medical conditions. Tell your doctor if you have an untreated or uncontrolled adrenal gland disorder or any heart problems such as a recent heart attack. Levothyroxine should not be used to treat obesity or weight problems.Dangerous side effects or death can occur from the misuse of this ...
You should not use levothyroxine if you are allergic to glycerin or edetate disodium, or if you have an untreated or uncontrolled adrenal gland disorder. To make sure this medicine is safe for you, tell your doctor if you have ever had: 1. a thyroid nodule; 2. thyroiditis (inflammation of thyroid gland); 3. heart problems such as a heart attack, st...
Take levothyroxine exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Some brands of levothyroxine have different dosage instructions and/or recommendations of how soon you need to take them before eating food. Al...
In a medical setting, you are not likely to miss a dose of levothyroxine injection. Take the missed oral levothyroxine dose as soon as you remember, and then go back to your regular schedule. Do not use two doses at one time.
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose can be fatal. Overdose symptoms may include headache, leg cramps, tremors, feeling nervous or irritable, chest pain, shortness of breath, fast or pounding heartbeats, stroke, and coma.
Avoid the following food products within 1 hour of taking oral levothyroxine or the medication will not be as effective: grapefruit juice, infant soy formula, soybean flour, cotton seed meal, walnuts, and high-fiber foods.
Sometimes it is not safe to use certain medicines at the same time. Some drugs can affect your thyroid hormone levels and also make levothyroxine less effective. If you use any of the following drugs, avoid taking them within 4 hours before or 4 hours after you use levothyroxine: 1. calcium carbonate (Alka-Mints, Caltrate, Os-Cal, Oyster Shell Calc...
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1. How soon after taking levothyroxine can I take omeprazole? 2. What happens if you stop taking levothyroxine? View more FAQ
Levothyroxine is a hormone used to treat hypothyroidism and thyroid cancer. It may cause serious side effects such as allergic reactions, heart problems, or bone loss. Learn more about levothyroxine dosage, interactions, and warnings.
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Learn about the possible side effects of levothyroxine, a thyroid hormone medication, such as chest pain, irregular heartbeat, hair loss, and osteoporosis. Find out the warning signs of overdose and how to prevent or reduce some of the side effects.
- 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.
May 1, 2024 · Levothyroxine is also used together with surgery and radioiodine treatment to treat a type of thyroid cancer called thyroid-dependent well-differentiated thyroid cancer. This medicine is available only with your doctor's prescription. This product is available in the following dosage forms: Capsule, Liquid Filled.
May 10, 2020 · Levothyroxine is a hormone drug used to treat hypothyroidism, goiter, and thyroid cancer. It can cause side effects such as weight loss, heart problems, and mood changes. It can also interact with many other medications, vitamins, and herbs.
