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Hello, this is Dr. David. I am reviewing your question now and will be with you momentarily.
you need a proper urine culture to see what bacteria is growing in your urine causing your urinary tract infection.
sometimes bladder muscle spasms can give symptoms of UTI with there not being bacteria in your urine.
this is treated with overactive bladder muscle medications.
blood in your stool can be from hemorrhoid bleeding or other causes.
at your age, you should have a colonoscopy to look at the inside of your colon.
a cystoscopy would not tell if you have over active bladder muscles
a urodynamic study is needed for this.
I don't understand your urine culture.
what bacteria grew out of the urine? they should have done antibiotic sensitivity testing on the bacteria
is it e coli or klebsiella bacteria or pseudomonas ?
then your doctor should treat you with amikacin and nitrofurantoin
and you should drink more water
and you have to be careful when you wipe after bowel movements
you need to wash your hands with soap after bowel movements to prevent spread of bacteria
yes, those are all normal.
low grade fever can be from you fighting off the urinary tract infection
or from fighting off viral infections
maroon colored stools can be from your diet, what you are eating, spices in your food, or could be from blood from hemorrhoid bleeding.
nausea can be from excessive anxiety, excessive stomach acid in your stomach.
you are most likely introducing bacteria into your urethra with the catheter.
that is most likely what is causing your UTI.
your catheter you are using is not clean.
no, you don't need it. it will be normal
it will not show the reason for your UTI
it is from your catheter introducing bacteria into your bladder.
are you using new sterile urethra catheters weekly?
or are you re-using an old one and washing it before use?
you may still have bacteria on your skin of your vulva area which you are introducing into your bladder when you are doing this catheterization.
you should shower and wash the vulvar area with soap and water before catheterization.
why do you have urethral stricture? do you have excessive anxiety symptoms? this can cause you to tighten up your pelvic muscles.
usually women don't have problems with urination or blockage of their urethra because they don't have a prostate gland.
you should see a psychotherapist to teach you biofeedback therapy to help you relax your lower pelvic muscles.
let me know if you have other questions.
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you should ask your doctor for medications to help decrease your anxiety symptoms.
you should use stomach acid reducing medications to help reduce nausea.