The Compendium of Caraka 3.5.20

3.5.20

mūtritodakabhakṣyastrīsevanānmūtranigrahāt/
mūtravāhīni duṣyanti *kṣīṇasyābhikṣatasya ca//

From having water, food, or sexual intercourse while having the urge to urinate, from suppression of urine,
and in one who is emaciated and traumatised, the channels carrying urine become vitiated.