Fostamatinib is a medication treats a low platelet level caused by immune thrombocytopenia. This condition causes your blood to not clot properly because you don’t have as many platelets as you should. Platelets are components of your blood that are the first to the site of an injury to clot the wound and prevent bleeding.
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FOSTAMATINIB (fos tam A ti nib) treats low levels of platelets in your body caused by immune thrombocytopenia (ITP). It is prescribed when other medications have not worked well enough. It works by increasing the amount of platelets in your blood. This lowers the risk of bleeding.
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This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
COMMON BRAND NAME(S): Tavalisse
They need to know if you have any of these conditions:
Take this medication by mouth with water. Take it as directed on the prescription label at the same time every day. 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.
Talk to your care team about the use of this medication in children. Special care may be needed.
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.
If you miss a dose, skip it. Then take the next dose at the normal time. Do not take extra or 2 doses at the same time to make up for the missed dose.
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.
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Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse. You may need blood work done while you are taking this medication.
This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects.
Side effects that you should report to your care team as soon as possible:
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
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.
Keep out of the reach of children and pets.
Store at room temperature between 20 and 25 degrees C (68 and 77 degrees F). Keep this medication in the original container until you are ready to take it. Protect from moisture. Keep the container tightly closed. Do not throw out the canisters in the container. They keep the medication dry. Get rid of any unused medication after it expires or 60 days after opening the bottle, whichever is first.
To get rid of medications that are no longer needed or have expired:
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.
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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.