Frequently Asked Questions


Find help for common questions

Whether you want to know more about PROMACTA® (eltrombopag) or are curious about chronic immune thrombocytopenia (ITP) in children more generally, here are some quick answers to questions you might have.

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  • PROMACTA® (eltrombopag) is the only platelet booster that comes in a tablet or oral suspension that your child can take once a day
  • PROMACTA is the only oral platelet booster that has been approved by the FDA for use in children 1 year and older
  • Platelet boosters work differently from other chronic ITP treatments: instead of trying to stop the body from destroying platelets, they boost platelet production


Click here to learn more about PROMACTA.

The most common side effects of PROMACTA® (eltrombopag) in children 1 year and older when used to treat chronic ITP are:

  • upper respiratory tract infection (symptoms may include runny nose, stuffy nose, and sneezing)
  • pain or swelling (inflammation) in your nose or throat (nasopharyngitis)

PROMACTA® (eltrombopag) is a prescription medication, so you will have to work with your doctor to see if it is the right treatment for your child’s chronic ITP. Questions about cost? Click here to learn about the PROMACTA co-pay card and other financial assistance.

Your child should:

  1. Take PROMACTA every day.
  2. Take PROMACTA on an empty stomach, either 1 hour before or 2 hours after eating.
  3. Take PROMACTA at least 2 hours before or 4 hours after ingesting more than 50 mg of calcium.


Click here to learn more tips about taking PROMACTA.

  • Store PROMACTA at room temperature between 68°F to 77°F (20°C to 25°C)
  • Keep PROMACTA tightly closed in the bottle given to you
  • The PROMACTA bottle may contain a desiccant pack to help keep your child’s medicine dry. Do not remove the desiccant pack from the bottle. Keep PROMACTA and all medicines out of the reach of children

You and your doctor will need to work together to determine which activities are safe with your child’s platelet count. The good news is that most children with chronic ITP can still do a number of different sports. Click here for a list and other tips about living with chronic ITP.

People can be curious about chronic ITP symptoms and they may ask a lot of questions. It might be useful to have answers prepared beforehand. Click here to see example conversations about chronic ITP.

Find other resources below:

Furthering the understanding, diagnosis, treatment, and prevention of certain blood and bone disorders 


Health Monitor’s guide for anyone living with ITP


A site run by the American Society of Pediatrics. The chronic condition section might be especially useful for parents of children with chronic ITP


NHLBI promotes the prevention and treatment of heart diseases, lung diseases, and blood diseases such as ITP


A helpful resource for ITP education, advocacy, research, and support. This site can help you find ITP experts or hematology centers of excellence near you


Providing a unified voice for those with rare diseases and their caregivers, seeking to help them so they won’t have to fight that battle alone


Provides ITP patients with medical support as well as emotional, lifestyle, and daily ITP guidance