Cystitis occurs in the bladder. It is an inflammation of the bladder that is usually caused by a bacterial urinary tract infection, according to Mayo Clinic. Cystitis can become a severe health problem if the infection spreads to the kidneys.
Less common causes of cystitis include drug reactions, radiation therapy and irritants such as feminine sprays and catheters, claims Mayo Clinic. Symptoms of cystitis include abdominal discomfort, an urgency to urinate, tenderness and intense bladder pain, according to the Centers for Disease Control and Prevention.
Women have a higher risk of this type of infection than men, with menopause increasing the risk. Additional risks include diabetes, pregnancy and urinary retention, according to MedlinePlus.