The side effects of roaccutane for acne are well-known but for one writer with endometriosis, it exacerbated bladder issues like interstitial cystitis and chronic UTIs. 

Why wasn't I warned of the effect of roaccutane on endometriosis?

Strong Women

Immediately, I was advised to stop taking the drug

Can Roaccutane cause bladder problems?   

Bladder-related side effects are extremely rare (even with endometriosis) 

Competitions

It's rare but adverse effects can happen.

"Roaccutane was meant to cure my acne - instead, it made my endometriosis worse"