Last updated on RxList: 03/17/2022
Mytesi Patient Information Including Side Effects

Brand Names: Fulyzaq, Mytesi

Generic Name: crofelemer

What is crofelemer (Fulyzaq, Mytesi)?

Crofelemer is used in adults to treat diarrhea that may be caused by taking antiviral medicine to treat HIV (human immunodeficiency virus). Crofelemer is not for use in treating diarrhea that is caused by an infection.

Crofelemer is not a treatment for HIV.

Crofelemer may also be used for purposes not listed in this medication guide.

What are the possible side effects of crofelemer (Fulyzaq, Mytesi)?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about crofelemer (Fulyzaq, Mytesi)?

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.


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Mytesi Patient Information including How Should I Take

What should I discuss with my healthcare provider before taking crofelemer (Fulyzaq, Mytesi)?

Tell your doctor if you are sick with diarrhea and vomiting or other symptoms of infection.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

Women with HIV or AIDS should not breastfeed a baby. Even if your baby is born without HIV, the virus may be passed to the baby in your breast milk.

Crofelemer is not approved for use by anyone younger than 18 years old.

How should I take crofelemer (Fulyzaq, Mytesi)?

Before you start treatment with crofelemer, your doctor may perform medical tests to make sure you do not have infectious diarrhea.

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Swallow the tablet whole and do not crush, chew, or break it.

You may take crofelemer with or without food.

Store at room temperature away from moisture and heat.


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Mytesi Patient Information including If I Miss a Dose

What happens if I miss a dose (Fulyzaq, Mytesi)?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happens if I overdose (Fulyzaq, Mytesi)?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking crofelemer (Fulyzaq, Mytesi)?

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

What other drugs will affect crofelemer (Fulyzaq, Mytesi)?

Other drugs may affect crofelemer, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

Where can I get more information (Fulyzaq, Mytesi)?

Your pharmacist can provide more information about crofelemer.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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