Dear Carla,
I understand your anxiety, however without a specific examination and maybe a few tests it would be impossible to get to a diagnosis with the symptoms listed.
A UTI and stones are possible, but they do not explain each and every symptom. IF you have bleeding during defecation then obviously hemorrhoids do become a factor too!
I would urge an urgent evaluation for starting treatment till the test results come in,
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Regards
Dr. Gupta