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Author: Admin | 2025-04-28
Risk of interactions with levothyroxine. Before you take this drug, be sure to talk with your doctor about your health history. Levothyroxine may not be the right treatment option if you have certain medical conditions or other factors affecting your health.Health conditions or factors that might interact with levothyroxine include:Adrenal insufficiency: If you have adrenal insufficiency, your doctor will likely not prescribe levothyroxine until your condition is treated and your adrenal hormone levels are in a safe range. For more information, see the section “When to avoid levothyroxine.”Heart disease: If you have heart disease, your doctor will likely prescribe a low dose of levothyroxine when you start treatment. This is because high doses of levothyroxine can cause a fast or irregular heartbeat, chest pain, and palpitations. These side effects could worsen your heart condition. Your doctor will closely monitor your thyroid hormone levels and heart condition during your treatment.Diabetes: Levothyroxine can increase your blood sugar level. If you have diabetes, this can make your blood sugar harder to manage with medications. Your doctor may recommend checking your blood sugar levels more often while you’re taking levothyroxine. They may adjust the dosage of your diabetes medication(s) to help regulate your blood sugar.Allergic reaction: If you’ve had an allergic reaction to levothyroxine or any of its ingredients, your doctor will likely not prescribe levothyroxine. Taking the drug could cause another allergic reaction. You can ask them about other treatments that may be better choices for you.Breastfeeding: Levothyroxine is usually considered safe to take while breastfeeding. That said, if you’re breastfeeding or planning to, talk with your doctor before starting levothyroxine treatment. They can talk with you about treatment options and ways to feed your child.Pregnancy: Levothyroxine is usually considered safe to take during pregnancy. That said, if you’re pregnant or planning to become pregnant, tell your doctor before starting levothyroxine. They can advise you on the right treatment plan for you.You can take certain steps to help prevent interactions with levothyroxine. Your doctor and pharmacist are key resources, so reach out to them before starting treatment. For example, you should plan to do the following:Let them know if you drink alcohol or use cannabis.Tell them about any other medications you take, as well as any supplements, herbs, and vitamins.Create a medication list, which your doctor and pharmacist can help you fill out.It’s also important to read the levothyroxine label and other paperwork that may come with the drug. The label may have colored stickers that mention an interaction. And the paperwork, sometimes called the medication guide or patient package insert, may contain details about interactions.If levothyroxine doesn’t come with paperwork, you can ask your pharmacist to print a copy. If you need help reading or understanding this information, ask your doctor or pharmacist.You can also help prevent interactions with levothyroxine by taking it exactly as your doctor prescribes.Disclaimer: Medical News Today has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article
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