What is the most important information I should know about avatrombopag?
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.
What is avatrombopag?
Avatrombopag is used to treat thrombocytopenia (a lack of platelets in the blood) in adults with chronic liver disease who are scheduled to undergo a medical procedure.
Avatrombopag is also used to treat chronic immune thrombocytopenia when other treatments have failed.
Avatrombopag is not a cure for thrombocytopenia and it will not make your platelet counts normal.
Avatrombopag may also be used for purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking avatrombopag?
You should not use avatrombopag if you are allergic to it.
Tell your doctor if you have ever had:
- a blood clot; or
- a bleeding or blood clotting disorder other than thrombocytopenia.
Your doctor will measure your platelet levels with a blood test before you start taking this medicine.
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant.
You should not breast-feed while using avatrombopag, and for at least 2 weeks after your last dose.
How should I take avatrombopag?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
Take avatrombopag with food.
Avatrombopag is usually taken once daily to treat chronic immune thrombocytopenia.
When given before a medical procedure in people with chronic liver disease: Avatrombopag is usually taken once daily for 5 days, beginning 10 to 13 days before your procedure. Carefully follow your doctor's dosing instructions about the timing of this medicine and the procedure.
Your doctor will measure your platelet levels weekly to determine how long to treat you with avatrombopag. You may also need blood tests for a few weeks after your last dose.
Store at room temperature away from moisture and heat. Keep each tablet in the foil blister pack until you are ready to take a dose.
What happens if I miss a dose?
For chronic immune thrombocytopenia: Take the missed dose as soon as you remember it. Take your next dose at the regular time and stay on your once-daily schedule. Do not take two doses at one time.
Before a scheduled medical procedure: Call your doctor for instructions if you miss a dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking avatrombopag?
Follow your doctor's instructions about any restrictions on food, beverages, or activity.
What are the possible side effects of avatrombopag?
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
You could develop a blood clot while using avatrombopag. Call your doctor or get emergency medical help if you have:
- chest pain, shortness of breath;
- fast heartbeats;
- pain, swelling, or redness in one or both legs;
- stomach pain or tenderness;
- sudden fever or chills, yellowing of your skin or eyes; or
- bloody or tarry stools, coughing up blood or vomit that looks like coffee grounds.
Common side effects may include:
- easy bruising or bleeding (nosebleeds, bleeding gums), purple or red spots on your skin;
- feeling tired;
- headache, joint pain;
- cold symptoms such as runny or stuffy nose, sneezing, sore throat;
- nausea, stomach pain; or
- swelling in your hands or feet.
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 other drugs will affect avatrombopag?
Other drugs may affect avatrombopag, 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?
Your doctor or pharmacist can provide more information about avatrombopag.
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.
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