Cancer drugs that belong to the tyrosine-kinase inhibitors class, such as imatinib.

Simethicone and antacids such as aluminum or magnesium.

Take levothyroxine at least 4 hours before taking these medications to help make sure that levothyroxine works properly.

Colesevelam, cholestyramine, colestipol, kayexalate, or sevelamer.

Take levothyroxine at least 4 hours before or after taking these medications to help make sure that levothyroxine works properly.

Rifampin and anti-seizure drugs such as carbamazepine and phenobarbital.

If you take sertraline with levothyroxine, your doctor might need to increase your levothyroxine dosage to keep it working well for you. This is because the amount of levothyroxine in your body may be decreased. When levothyroxine is less effective: When you take levothyroxine with certain drugs, it may not work as well to treat your condition. Interactions that can make your drugs less effective Taking this drug with levothyroxine may increase your risk of high blood pressure and fast heart rate. Your doctor may need to decrease the dosage of your blood thinner if you’re also taking levothyroxine. Taking these drugs with levothyroxine may increase your risk of bleeding. This may put you at risk of serious heart problems. The effects of both the sympathomimetic drugs and levothyroxine may increase when you take these drugs together.

Sympathomimetic drugs such as pseudoephedrine and albuterol.

This may put you at risk for irregular heart rhythms ( arrhythmias). The side effects of both of these antidepressants and levothyroxine may increase when you take these drugs together.

Antidepressants such as amitriptyline and maprotiline.

Taking levothyroxine with certain drugs may result in an increase in adverse effects.

Interactions that increase the risk of side effects To find out how this drug might interact with something else you’re taking, talk to your doctor or pharmacist.Įxamples of drugs that can cause interactions with levothyroxine are listed below. Be sure to tell your doctor about all medications, vitamins, or herbs you’re taking. To help avoid interactions, your doctor should manage all of your medications carefully. This can be harmful or prevent the drug from working well. An interaction is when a substance changes the way a drug works. Levothyroxine oral tablet can interact with other medications, vitamins, or herbs you may be taking. Levothyroxine may interact with other medications Always discuss possible side effects with a healthcare provider who knows your medical history. This information is not a substitute for medical advice. However, because drugs affect each person differently, we cannot guarantee that this information includes all possible side effects. Serious side effects and their symptoms can include the following:ĭisclaimer: Our goal is to provide you with the most relevant and current information. Call 911 if your symptoms feel life threatening or if you think you’re having a medical emergency. Serious side effectsĬall your doctor right away if you have serious side effects. If they’re more severe or don’t go away, talk to your doctor or pharmacist. If these effects are mild, they may go away within a few days or a couple of weeks. The more common side effects of levothyroxine can include: Levothyroxine oral tablet can cause side effects. Levothyroxine works by providing the thyroid hormone that your thyroid gland would produce if it were working normally. These drugs are often used to treat similar conditions. A class of drugs is a group of medications that work in a similar way. Levothyroxine belongs to a class of drugs called hormones. It also treats certain types of thyroid cancer. Levothyroxine also can be used to treat goiter, which is an enlarged thyroid gland. This is a condition when your thyroid gland produces too little thyroid hormone. Levothyroxine oral tablet is used to treat hypothyroidism.

This means you may need to take it with other medications. Levothyroxine oral tablet may be used as part of a combination therapy. In some cases, they may not be available in every strength or form as the brand-name drug. Generic drugs usually cost less than the brand-name version. Levothyroxine oral tablet is available as the brand-name drugs Levoxyl, Synthroid, and Unithroid. It also comes as an injectable solution that’s only given by a healthcare provider. It comes as a tablet or capsule you take by mouth.

Levothyroxine 100 mcg