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james_morrison2026-04-18

Hey everyone, I've been recently prescribed Methenamine Hippurate 1gm tablets. The doctor suggested using them as a preventative measure against UTIs. It seems to work by turning into formaldehyde in the urine and killing bacteria, which is quite interesting. I wanted to see if anyone else here has used this medication and what your experience with it has been? It must be noted that the effects are optimal in acidic urine. As with any new medication, I want to be fully informed before starting, and your personal experiences and knowledge would be great. Has anyone noticed any changes in their urine output? I'd also be keen to know if there are any dietary restrictions or tips to maintain the necessary acidic environment. I've heard some of the side effects can be serious, so does anyone have any experience with those? I'm a bit nervous about this, and any advice or shared experience would be really appreciated.

1 min read
last active 4/18/2026
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Comments (7)

J
james_morrison4/15/2026

This is a doozy. It took me a few days to get used to the taste, but it's been a lifesaver. No more constant UTIs.

L
linda_fernandez4/15/2026

Avoid red meat and dairy to maintain the acidic urine. I've found that helps a lot.

N
nina_kowalski4/15/2026

I've had some discomfort with urination, but it was worth it since it treated my UTI.

P
peter_daniels4/15/2026

I've had no issues at all with this medication. I think the key is to stay hydrated and follow your doctor's advice. And make sure you're peeing often so the formaldehyde can work its magic!

S
susan_wilson4/15/2026

I was miserable until my doctor prescribed this. My UTIs had become constant and now I'm free!

A
amber_sherman4/15/2026

I was worried about the formaldehyde part, but my doctor assured me it's safe in the doses given. Just make sure to monitor your urine for any discoloration or changes in output, as advised.

P
peter_tucker4/15/2026

I've been on these for a while now and they've been great for preventing UTIs. Just make sure to stay hydrated and keep your urine acidic. It's a game-changer!