Abstera is a symptom and medication diary app for those living with Crohn's and Ulcerative Colitis.

(828) 538-5052

Get your IBD under control!

Abstera is free and is available for iOS 10.1 and higher.
Click below or search "Abstera" from Portal Instruments.

Designed by leading gastroenterologists.

Abstera is easier, faster, and more confidential than do-it-yourself alternatives.


Share your diary securely with your physician or caregiver.


Quickly record how you're doing in language meaningful to your doctor.


Totally free to use. No hidden costs.

Private & Secure

You control your data. We do not share your history with anyone unless you request it.

Easy-to-read patient history.

Your diary is presented in a way that makes it easy to spot trends.

Print, fax, or email your history to anyone of your choosing. If your doctor participates, she or he can sign in and view your history directly.

See trends.
Feel better.

Start today!

Have more questions?

See our FAQ