Ferret straining to urinate... Oct 23, 2017 18:57:27 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by unclejoe on Oct 23, 2017 18:57:27 GMT -5 my second one came from Petco with a bladder infection. Antibiotics cleared it up in a few days but he was give 10 days worth. make sure he gets every dose prescribed. Ultrasound should have showed bladder stones. What does he eat?