Cystitis and urethritis are caused by

Cystitis and urethritis belong to lower urinary tract infection, which may be related to poor personal hygiene, inflammation of adjacent organs, and decreased immunity.

1. Poor personal hygiene

, failure to change underwear in time, and failure to properly clean the genitals may lead to pathogen invasion, causing urethritis and cystitis.

2

. Inflammation

of adjacent organs

.