In the cold winter, the few steps from the bed to the bathroom seem to become dozens of meters. Many people obviously have the urge to urinate, but rely on the warmth of the blanket do not want to get up, and even have the habit of holding urine. Remind everyone, winter care bladder, the most taboo is to hold urine. When the bladder accumulates too much urine, will produce a certain pressure on the urinary system, especially the bladder, thus inducing cystitis. If the disease is left untreated for a long time or the condition worsens, it may even lead to bladder cancer. Acute cystitis: The onset is sudden, with burning sensation during urination, pain in the urethral region, sometimes with urinary urgency and severe urinary frequency. The patient feels weak and has a low or high fever. There is suprapubic discomfort and low back pain. Chronic cystitis: Symptoms are similar to those of acute cystitis, but chronic cystitis does not have a high fever, and symptoms may last for weeks or come on intermittently, leaving the patient weak and lethargic. The lower back and abdomen and perineal area of the bladder feel uncomfortable or vague pain, and sometimes dizziness, vertigo and other neurasthenic symptoms. Prevention-oriented, early judgment and early treatment In fact, the treatment of cystitis is not complicated, so many people think that cystitis is a minor disease. However, only with early detection and early treatment can it be cured in a short period of time. If the condition is delayed, it may cause bladder fibrosis, reduce bladder capacity and cause ureteral reflux, leading to kidney edema, kidney inflammation, and even kidney necrosis and uremia. In addition, cystitis can lead to tuberculosis. Many people with a history of tuberculosis still have symptoms of urinary tract irritation or abnormal urine sediment after aggressive antimicrobial treatment, which is an important sign that cystitis leads to renal tuberculosis. Reduce the friction of clothing on the urethra: The issue of cleanliness and hygiene is also important to keep the lower half of the body dry and clean. Winter clothing is heavy, the choice of underwear need to pay more attention, should try to wear cotton underwear, avoid synthetic fiber products, otherwise it will prevent proper air circulation and thus promote the growth of bacteria, pants, thermal underwear should also be loose and suitable, to avoid excessive friction with the body to cause inflammation. In addition, the winter climate is dry, pay special attention to sexual hygiene, sexual life can make the urethra by friction, bacteria are easy to invade the occurrence of episodic infection. Therefore, after sex to empty the urine, and rinse the urethra with water.