### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
My sister is 75 yrs. old, had a complete abdominal hysterectomy in March, 2005.  She also has a present creatinine level of 2.5 due to past treatment with lithium, which affected the kidney.  She has had urinary tract infections in the past year.  The last one, her doctor prescribed Cipro, and when the cultured results came back, the doctor said the type infection she had required she be switched to Augmentin.  After being treated with these, she went to see hernephrologist, and he cultured her urine again, and found she still had an infection.  He prescribed Cefpodoxine, 100 mgs., one tablet for 10 days.  She has been off this for 9 days, and on the eight day she urinated and foundblood (pinkish red) on her pamper.  It didnt go through, but appeared to be like one would experience during the first day of a period, except shes 75 yrs. old.  It didnt recur again since yesterday, but I did contact her doctors office and will try to bring her there Monday.  Can you, in the meantime, give me an opinion on what may have caused this?

### output:

HelloThanks for posting your query on Chat Doctor appearance of red color in pamper with the background you have described can be due to either blood in ruin (hematuria) or bleeding through vagina(Fleeing PV). Obviously you need to show her to doctor. Urine routine and microbiology examination and ultrasound Lowe abdomen help us to understand the problem. Complete blood count and urine culture will rule out possibility of urinary tract infection. All medicine you did mention do not cause such type of problem Hope above information helpful to you. Take Care