Mavorixafor Capsules

What is this medication?

MAVORIXAFOR (mav or IX a for) treats WHIM syndrome, a genetic condition that weakens the immune system. It works by helping your body make more white blood cells, which protects your body from infection.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Xolremdi

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

• Irregular heartbeat or rhythm
• Kidney disease
• Liver disease
• An unusual or allergic reaction to mavorixafor, other medications, foods, dyes, or preservatives
• Pregnant or trying to get pregnant
• Breastfeeding

How should I use this medication?

Take this medication by mouth. Take it as directed on the prescription label at the same time every day. Do not cut, crush, or chew this medication. Swallow the capsules whole. Take it on an empty stomach after an overnight fast. Wait at least 30 minutes before eating. Keep taking it unless your care team tells you to stop.

Talk to your care team about the use of this medication in children. While it may be prescribed to children as young as 12 years for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, skip it. Take your next dose at the normal time. Do not take extra or 2 doses at the same time to make up for the missed dose.

What may interact with this medication?

• Grapefruit or grapefruit juice
• Supplements, such as St. John's wort or goldenseal

This medication may affect how other medications work, and other medications may affect the way this medication works. Talk with your care team about all of the medications you take. They may suggest changes to your treatment plan to lower the risk of side effects and to make sure your medications work as intended.

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress.

Talk to your care team if you may be pregnant. Serious birth defects can occur if you take this medication during pregnancy. You will need a negative pregnancy test before starting this medication. Contraception is recommended while taking this medication and for 3 weeks after the last dose. Your care team can help you find the option that works for you.

Do not breastfeed while taking this medication and for 3 weeks after the last dose.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

• Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
• Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
• Unusual bruising or bleeding

Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

• Dizziness
• Nosebleed
• Runny or stuffy nose
• Vomiting

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

Keep out of the reach of children and pets.

Store in the refrigerator. Keep this medication in the original container until you are ready to take it. Get rid of any unused medication after the expiration date.

To get rid of medications that are no longer needed or have expired:

• Take the medication to a medication take-back program. Check with your pharmacy or law enforcement to find a location.
• If you cannot return the medication, check the label or package insert to see if the medication should be thrown out in the garbage or flushed down the toilet. If you are not sure, ask your care team. If it is safe to put in the trash, empty the medication out of the container. Mix the medication with cat litter, dirt, coffee grounds, or other unwanted substance. Seal the mixture in a bag or container. Put it in the trash.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.