The Platelet Disorder Support Association is a non-profit corporation founded in August, 1998 to provide information, support, and encourage research about ITP and other platelet disorders. As a member you will be showing your support for this worthwhile cause. We rely on our member contributions to sustain and grow our services. Thank you for your support.

Benefits of being a member of PDSA include:
- The Platelet News, our quarterly newsletter, which contains over 20 pages of information and news.  The Platelet News is sent via paper copy or .pdf file to our US and Canadian members and via .pdf file to our other international members.
- Inside Stories, Expressions of ITP: Letting in the Light.  Through these patient chronicles you will better understand this disease and gain insight from the experiences of people of all ages and walks of life who are living with ITP.  You will find that you are not alone dealing with ITP!  When you fill out your membership order, in the Comment box please indicate if you would like the book, DVD or both.  Inside Stories is available due to the generous support of Baxter.
- discount registration at our Annual ITP Conference
- free admission to our regional meetings
- optional participation in our Name Exchange Program
- the good feeling of helping others

All memberships are for one calendar year.