FRIDAY, March 11, 2022 (HealthDay Information) — Ladies tormented by frequent urinary tract infections usually take each day antibiotics to ward them off. However an outdated antibiotic different would possibly work simply as effectively, a brand new scientific trial finds.
Researchers discovered that the medicine, known as methenamine, was comparable to plain, low-dose antibiotics in stopping ladies’s recurrent urinary tract infections (UTIs). Both remedy curbed the infections to round one per 12 months, on common.
Methenamine is a long-established medicine that works by making the urine extra acidic and stopping bacterial progress. Research have proven that it will probably stop recurrent UTIs, however it’s not broadly used.
It is such an “outdated” drug, many medical doctors right this moment have no idea about it, mentioned Dr. Karyn Eilber, a urologist at Cedars-Sinai Medical Middle in Los Angeles.
Eilber, who was not concerned within the new research, mentioned she reserves each day antibiotics as a final resort for stopping recurrent UTIs, favoring methenamine as an alternative.
A priority with each day antibiotic use is feeding antibiotic resistance, the place micro organism study to thwart the drugs used to kill them. Plus, Eilber mentioned, it disrupts the physique’s regular bacterial stability.
Dr. Chris Harding, a guide urological surgeon at Freeman Hospital in the UK, led the trial.
He mentioned it “provides supportive proof for the usage of methenamine and will likely be notably welcome to these ladies with recurrent UTI who wish to keep away from long-term antibiotic remedy.”
UTIs are exceedingly widespread and may have an effect on anybody, however are notably prevalent amongst ladies. Research counsel as much as 80% of ladies develop a UTI in some unspecified time in the future, and about one-quarter of these ladies go on to have frequent recurrences.
Some signs embody burning throughout urination, and feeling a powerful, persistent urge to urinate.
The brand new research — revealed on-line March 9 within theBMJ— concerned 240 ladies with recurring UTIs. At the beginning, they had been averaging round six UTIs per 12 months.
Half of the ladies had been randomly assigned to each day low-dose antibiotic remedy, whereas the opposite half took methenamine twice a day.
Over one 12 months of remedy, each teams noticed a big decline in UTI episodes. Ladies within the antibiotic group averaged just below one bout per particular person for the 12 months, whereas these taking methenamine had simply over one episode per particular person.
That may be a small distinction, Harding mentioned, and one which, based mostly on affected person focus teams, wouldn’t be thought-about “clinically significant.”
As for negative effects, a small variety of ladies in every group reported issues like nausea, stomach ache and diarrhea. Six ladies developed a UTI with fever, and 4 wanted to be hospitalized — all of whom had been within the methenamine group.
Whether or not treating extra UTIs with methenamine will assist battle the issue of antibiotic resistance is an open query. In the course of the one 12 months of remedy on this trial, ladies on antibiotics had been extra more likely to harbor micro organism proof against a minimum of one antibiotic. However that modified when their micro organism had been sampled six months later: Those that had taken methenamine had extra antibiotic-resistant bugs.
Harding mentioned that discovering “must be interpreted with warning,” because the trial was not primarily geared toward gauging antibiotic resistance.
“Additional analysis is unquestionably indicated on this space,” he mentioned.
For now, ladies ought to know there are alternatives for stopping frequent UTIs, the specialists mentioned.
“Low-dose antibiotics ought to positively not be the primary line,” Eilber mentioned.
Apart from methenamine, one other different is to take an antibiotic solely after intercourse. (Sexual exercise can encourage UTI-causing micro organism to maneuver into the urethra, the tube that releases urine from the physique.)
For postmenopausal ladies, Eilber mentioned, vaginal estrogen could assist stop recurrent UTIs. After menopause, the vaginal tissue adjustments in ways in which could foster the expansion of “dangerous” micro organism.
Consultants additionally usually advise some self-care steps that may assist, like ingesting loads of water, urinating earlier than and after intercourse, and wiping entrance to again after utilizing the toilet.
Most of the ladies within the present trial had been going by means of or previous menopause. However, Harding mentioned, his crew didn’t take a look at the results of remedy in accordance with age. Nor did the research embody males. So it is not clear whether or not the findings would apply to older adults, one other group at elevated danger of recurrent UTI.
The research was funded by the U.Ok. Nationwide Institute for Well being Analysis.
Extra data
The U.S. Workplace on Ladies’s Well being has extra on urinary tract infections.
SOURCES: Chris Harding, MD, guide urological surgeon, Freeman Hospital, Newcastle upon Tyne, U.Ok.; Karyn Eilber, MD, urologist, Cedars-Sinai Medical Middle, Los Angeles; BMJ, March 9, 2022, on-line
