My mother (she’s 50) has been on Bactrim for several years now due to reoccurent UTI caused by a bladder ulcer. What are the major concerns for taking this over the long term (other than bacteria resistant infections) Also she had an episode of tachycardia (160-172) for an hour and the next day she checked her B/P and it was 86/72. Her pulse is usually in the 60′s and her B/P is normally 110/70-ish. Could this have anything to do with her long term Bactrim use? (And yes I already told her to go to the Dr.’s, she is there at this moment…I am just trying to find out for my own information) Thank you everyone who answers.

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