If you've ever had cystitis (and almost 50% of healthy women in the UK will have it at some point in their lives) you will know that it really does feel like 'peeing broken glass'. As well as stinging and burning on urination, other unpleasant symptoms include feelings of urgency and frequency, cloudy foul-smelling urine (which may contain blood), abdominal pain and a general feeling of achiness and exhaustion. For some women, these difficult symptoms recur with frustrating frequency.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/constant-utis-interstitial-cystitis