Tazverik - Tazemetostat Tablets

What is this medication?

TAZEMETOSTAT (TAZ e MET oh stat) treats lymphoma. It may also be used to treat sarcoma, a cancer that occurs in bone and connective tissues, such as fat, muscle, and blood vessels. It works by slowing down the growth of cancer cells.

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

COMMON BRAND NAME(S): TAZVERIK

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

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

• An unusual or allergic reaction to tazemetostat, other medications, foods, dyes, or preservatives
• If you or your partner are pregnant or trying to get pregnant
• Breastfeeding

How should I use this medication?

Take this medication by mouth with a full glass of water. Take it as directed on the prescription label. Do not cut, crush, or chew this medication. Swallow tablets whole. You can take it with or without food. If it upsets your stomach, take it with food. Keep taking it unless your care team tells you to stop.

Do not take this medication with grapefruit juice.

A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.

Talk to your care team about the use of this medication in children. While it may be prescribed for children as young as 16 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?

• Estrogen and progestin hormones
• Fluconazole
• Grapefruit juice
• Midazolam
• St. John's wort

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?

Your condition will be monitored carefully while you are receiving this medication. You may need blood work while taking this medication.

Talk to your care team about your risk of cancer. You may be more at risk for certain types of cancer if you take this medication.

Talk to your care team if you may be pregnant. Serious birth defects can occur if you take this medication during pregnancy and for 6 months after the last dose. You will need a negative pregnancy test before starting this medication. Estrogen and progestin hormones may not work as well while you are taking this medication. Contraception is recommended while taking this medication and for 6 months after the last dose. Your care team can help you find the option that works for you.

If your partner can get pregnant, use a condom during sex while taking this medication and for 3 months after the last dose.

Do not breastfeed while taking this medication and for 1 week 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
• Infection—fever, chills, cough, sore throat, wounds that don't heal, pain or trouble when passing urine, general feeling of discomfort or being unwell
• Low red blood cell level—unusual weakness or fatigue, dizziness, headache, 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):

• Bone, joint, or muscle pain
• Constipation
• Fatigue
• Loss of appetite
• Nausea
• Stomach pain

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 below 30 degrees C (86 degrees F). 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 it 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.