Fostamatinib Oral Tablet (FOSTAMATINIB - ORAL)

Instructions

Keep the medicine in its original container.

This medicine may be taken with or without food.

This medicine will work best if you take it at about the same time every day.

Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.

Keep the desiccant (drying) packet in the bottle and keep the bottle closed tightly.

Drink plenty of water while on this medicine.

It is important that you keep taking each dose of this medicine on time even if you are feeling well.

If you forget a dose, just wait. Use the next dose at the usual time. Do not use 2 doses at once.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Tell your doctor if symptoms do not get better or if they get worse.

Keep all appointments for medical exams and tests while on this medicine.

Do not take the medicine more than twice during 24 hours.

Brand Name(s): Tavalisse

Generic Name: Fostamatinib

Cautions

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.

This medicine is associated with a rare, but serious problem of the liver. Speak to your doctor about the early signs of liver problems and the benefits and risks of using this medicine.

Do not use the medication any more than instructed.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Please check with your doctor before drinking alcohol while on this medicine.

This medicine may reduce your body's ability to fight infections. Avoid contact with people with colds, flu or other infections. Contact your doctor if you develop fever, cough, sore throat, or chills.

Speak with your health care provider before receiving any vaccinations.

Do not breastfeed while on this medicine. You may safely start breastfeeding 1 month after stopping treatment.

This medicine can hurt a new baby in the womb. If you become pregnant while on this medicine, tell your doctor immediately. Your doctor may switch you to a different medicine.

Women must use reliable forms of birth control while taking this medicine and for 1 month after stopping to prevent pregnancy.

Do not take St. John's wort while on this medicine.

Call your doctor right away if you notice any unusual bleeding or bruising.

Do not share this medicine with anyone who has not been prescribed this medicine.

Always refill this medicine before it runs out.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • diarrhea
  • dizziness
  • lack of energy and tiredness
  • high blood pressure
  • nausea
  • stomach upset or abdominal pain

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • bleeding or bruising
  • chest pain
  • confusion
  • cough that does not go away
  • severe, watery or bloody diarrhea
  • fever or chills
  • signs of liver damage (such as yellowing of eye or skin, dark urine, or unusual tiredness)
  • sore throat

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.

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