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There is no evidence of difference in clinical and microbiological efficacy of quinolones for uncomplicated acute cystitis in women, but there is some evidence of differences in occurrence and range of adverse reactions.

Urinary tract infection (UTI) refers to the presence of a certain threshold number of bacteria in the urine. Bacterial cystitis (bacteria in the bladder, also called acute cystitis) can occur in men and women and the signs and symptoms include dysuria (pain on passing urine), frequency, cloudy urine, occasionally haematuria (blood in the urine), and is often associated with pyuria (high urine white blood cell count). There is an additional important distinction between complicated and uncomplicated UTI. Complicated UTIs are those associated with fever and/or back pain (indicating kidney infection), UTIs in men, UTIs associated with indwelling or intermittent urinary catheters, obstructive uropathy (any changes in the urinary tract due to obstruction), vesicoureteric reflux (urine travels from the bladder back up toward the kidneys) and other urological abnormalities. These types of infections require more intensive treatment. Uncomplicated acute cystitis is the most prevalent form of uncomplicated UTI in women. Quinolones are recommended as the drugs of choice for acute cystitis in regions where the level of resistance to other antimicrobials namely co‐trimoxazole is high. The aim of this systematic review was to investigate which quinolone is most effective in treating uncomplicated acute cystitis and to also investigate safety and how well they are tolerated. Eleven studies (7535 women) were identified. No two studies compared the same quinolones. We found no significant differences in clinical or microbiological efficacy between quinolones. Several adverse events were reported in the individual studies. These included photosensitivity, insomnia, skin adverse events, central nervous system adverse events and adverse events leading to withdrawal to treatment. We were unable to determine which quinolone would be the safest or the most tolerated due to the lack of head‐to‐head data.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2010

Antibiotics for treating human brucellosis

Brucellosis is a common infection caused by Brucella bacteria species and can infect both people and animals. It is spread by eating infected food products and through direct contact with infected animals. The bacterial infection can affect different tissues and organs and is treated using antibiotics. Current recommended treatment regimens involve the use of two or more antibiotics in order to avoid relapses occurring and to prevent prolonged use of these drugs, which may lead to problems of drug resistance arising. Drug resistance is a particularly important issue as most people infected with brucellosis live in low socioeconomic areas of developing countries, where tuberculosis is also an endemic health problem. Thus there are concerns over the potential increase in resistance to tuberculosis drugs due to their prolonged use in treating brucellosis.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2012

Substituting or adding fluoroquinolones to established first‐line antituberculous drug regimens gives no additional benefit or risks

Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis bacteria. Over two billion people worldwide are believed to be latently infected with TB and approximately 10% of these people will develop active TB later in life. The World Health Organization currently only recommend treatment with fluoroquinolones for patients who cannot take standard first‐line drugs. In this review, we examined the effect of including fluoroquinolones in first‐line treatment regimens on people with presumed drug‐sensitive tuberculosis.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2013

Interventions to treat chronic infection of the prostate gland (chronic bacterial prostatitis)

Chronic bacterial prostatitis (CBP) involves infection and inflammation of the prostate gland in men of all ages. It can cause problems urinating, including discomfort and pain, increased frequency and urge, or problems emptying the bladder. Bacteria infecting the prostate are the cause of CBP. These bacteria may be sexually transmitted. To cure CBP, antibiotics must be administered for extended periods of time (four weeks or longer), but a permanent cure is not always guaranteed. Other drugs may be combined with antibiotics to improve CBP symptoms. This review found that fluoroquinolones like ciprofloxacin, levofloxacin, lomefloxacin, ofloxacin or prulifloxacin have equivalent effects and equivalent success rates in CBP patients. If atypical bacteria like chlamydia are suspected to cause CBP, macrolide antibiotics such as azithromycin may achieve better results compared to the fluoroquinolone ciprofloxacin. It must be taken into account that some of the studies that have been performed are of poor quality or have been performed on small numbers of participants. More studies are needed, focusing on new agents or on optimized doses of currently prescribed antibiotics.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2013

Fluoroquinolones for treating enteric fever

Researchers in The Cochrane Collaboration conducted a review of the effect of fluoroquinolone antibiotics in people enteric fever. After searching for relevant studies, they identified 26 studies involving 3033 patients. Their findings are summarized below.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2011

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