Urinary Tract Infection
Women are more prone to UTIs than men because, in females, the urethra is much closer to the anus and is shorter than in males; furthermore, women lack the bacteriostatic properties of prostatic secretions. Among the elderly, UTI frequency is roughly equal in women and men. This is due, in part, to an enlarged prostate in older men. As the gland grows, it obstructs the urethra, leading to increased frequency of urinary retention. In young sexually active women, sex is the cause of 75–90% of bladder infections, with the risk of infection related to the frequency of sex. The term "honeymoon cystitis" has been applied to this phenomenon of frequent UTIs during early marriage. In post-menopausal women sexual activity does not affect the risk of developing a UTI. Spermicide use, independent of sexual frequency, increases the risk of UTIs. Whereas in infants the condition may cause jaundice and hypothermia, in the elderly, symptoms of urinary tract infections may include lethargy and a change in mental status, signs that are otherwise nonspecific. Depending on the site of infection, urinary tract infections may cause different symptoms. Urethritis, meaning only the urethra has been affected, does not usually cause any other symptoms besides dysuria. However, if the bladder is affected (cystitis), the patient is likely to experience more symptoms, including lower abdomen discomfort, low-grade fever, pelvic pressure, and frequent urination, all together with dysuria. The most common type of UTI is acute cystitis often referred to as a bladder infection. An infection of the upper urinary tract or kidney is known as pyelonephritis, and is potentially more serious. Although they cause discomfort, urinary tract infections can usually be easily treated with a short course of antibiotics with no significant difference between the classes of antibiotics commonly used. A urinary tract infection (UTI) is a bacterial infection that affects any part of the urinary tract. Symptoms include frequent feeling and/or need to urinate, pain during urination, and cloudy urine. The main causal agent is Escherichia coli. Although urine contains a variety of fluids, salts, and waste products, it does not usually have bacteria in it. When bacteria get into the bladder or kidney and multiply in the urine, they may cause a UTI. Urinary catheterization is a risk factor for urinary tract infections. The risk of an associated infection can be decreased by catheterizing only when necessary, using aseptic technique for insertion, and maintaining unobstructed closed drainage of the catheter.
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