• 2019 Canadian Regional Meeting
  • Graduates throwing caps into the air
  • Front of Fairmont Washington D.C., Georgetown
  • Understanding ITP Spanish booklet
  • your trusted source
  • empowering itp patients
  • walk run1
  • a community of strength
  • PDSA Canada Regional Meeting

    Sunday, April 28, 2019. Windermere Manor in London, Ontario.

    More Info
  • PDSA Scholarship

    Open to senior high school students, college students or adults. Applications accepted March 6 - April 14.

    More Info
  • ITP Conference 2019

    Save the Date for ITP Conference 2019. July 26-28, 2019 in Washington, DC at The Fairmont Washington, D.C., Georgetown.

    More Info
  • Comprender la PTI

    Este cuadernillo ayudará a niños pequeños con trombocitopenia inmune (PTI). Comprenderán mejor su sistema inmunológico y su trastorno plaquetario.

    Más Info
  • Your Trusted Source For Life-Changing Information

    From ITP diagnosis to remission, we are here to empower you on a broad range of topics.

    More Info
  • Empowering ITP Patients

    We provide invaluable ways to connect with others to empower you for a healthy tomorrow.

    More Info
  • Pump It Up for Platelets

    Is there a PDSA walk/run event near you? Or create one of your own to raise awareness for ITP!

    More Info
  • A Community of Strength

    Join our engaged, active community of patients, caregivers, family members, friends, and clinicians.

    More Info




A little girl’s courage fuels the momentum of a BIG movement for ITP.

Read Her Story



Informed, assured and in control: the life-changing event that took the mystery out of ITP.

Read His Story



A therapeutic approach to healing.

Read Her Story

Two girls hugging a tree

Find Support Near You

PDSA offers support groups across the United States and Canada—and new groups continue to form. Get involved, get support and help others.

More Info...

Holding hands

Connect with Others

PDSA is a community built for you or your loved one with ITP. Find answers on our private discussion group with thousands of members.

More Info...


ITP in the News

Read the latest news about ITP—from breaking updates and survivor stories, to in-depth insights into new treatments and cutting-edge research.

More Info...

Girl wearing purple shirt for Sport Purple for Platelets Day

ITP Awareness

Each September we celebrate ITP Awareness Month℠! Learn how you can join the movement to support ITP Awareness Month, Sport Purple for Platelets Day℠ and many other events throughout the United States and world. Participate to elevate ITP awareness and support funding of ITP research and PDSA programs.

More Info...

ITP HelpLine logo

You’re not alone. We have answers!
Contact PDSA to connect with life altering information, resources and referrals.
877.528.3538 or PDSA@PDSA.org


Sign up for the free PDSA E-News and action alerts to stay current on the latest info about research, treatments, healthy living, events, fundraisers and ways to make an impact.


BBB Cleveland logo GuideStar Seal NORD Member Badge 2018THSNA logo

Thank you to our sponsors for supporting the PDSA Website

Amgen logo