UTI antibiotics Flashcards
strong UTI risk factor that prevents lactobacillus
spermicide coated condoms (non oxyl 9)
nitrofurantoin good for e cloli but not ____
Nitrofurantoin does not penetrate
prostrate fluid
Nitrofurantoin has a ____half life
short
bactrim is two antibiotics, what are they?
trimethroprim sulfamethoxazole
What is the ratio of trimethroprim sulfamethoxaole?
1:5
why do tell patients to drink a glass of water with bactrim?
because there is risk of crystallization of the drug in the urine if the urine is concentrated (which is why you might see a bump in the Cr)
sulfonoreas are close to sulfonides and ____ are used to treat diabetes. You can see hypoglycemia
do you have to be concerned with rash with the use of bactrim?
yes
bactrim can suppress bone marrow and may cause neutropenia.
true
why are beta lactams 3rd line for UTI
1) shorter half life, so you have to give them longer.
2) don’t penetrate prostrate fluid well (in men)
3) are known resistance issues with these drugs.
4) drugs are better than 1st/2nd drugs at eradicating lactobacillus.
5) Studies show higher recurrence rate with beta lactams.
cranberry PCAs prevent bacteria from ____ to bladder epithelium
adhering
tmp sx interferes with folic acid synthesis