Chronically Dolores
Chronically Dolores, written by Maya Van Wagonen and published by Dutton Books, an imprint of Penguin Random House

About
A diagnosis of interstitial cystitis and an embarrassing bathroom incident leaves Dolores with a cruel nickname and no friends. To regain her social status, she hatches a plan with the sheltered Terpsichore to fake a friendship. When it all goes awry, Dolores must confront what it really means to be a good friend.