1. Non-infective factors include local trauma, friction, contraceptives, soap, detergent and other irritants, which can be manifested locally as edema erythema, erosion, exudation and even bleeding. If secondary bacterial infection occurs, it can suppurate and form ulcer surface. The patient has obvious pain and is unable to move. Clinically, it is called acute superficial balanitis.
2. Candida infection with candida is a kind of conditional pathogenic fungus, so candidal balanitis often secondary to diabetes. Elderly consumptive diseases, as well as a large number of antibiotics or hormones, can also be primary, which is mostly transmitted from the spouse's candida vaginitis. There may be reddish erosion and thin-walled pustules on the glans and coronary sulcus, but candida is often not found locally, which may be caused by local allergic reaction caused by candida.
3. Most patients infected with amoeba protozoa first have lesions of prepuce balanitis, and then lose the normal barrier function locally, which is caused by intestinal amoeba infection. Local erosion, ulcer and tissue necrosis are obvious, and amoeba can be found by direct smear of secretion.
4. Trichomoniasis infection is usually caused by vaginal trichomoniasis in spouses. The symptoms are mild, mainly manifested as erythema, papules and small blisters on the glans. The boundary is clear, the scope is gradually expanded, and patients often feel itching. Trichomonas can be found in the secretion.
In addition, the cause of some balanitis is unclear, but the foreskin is too long, and the stimulation of foreskin scale is mostly related to the occurrence of balanitis. Therefore, men should also wash their lower body frequently to keep local cleanness and avoid irritation. If the foreskin is too long, circumcision can be performed after the inflammation is controlled.