If the male genitalia is itchy, it is recommended to go to the hospital for further examination to clarify the cause and then decide how to treat with medication: 1. If the local itching is caused by contact allergy, it is recommended to use mometasone furoate ointment for local topical application, a little at a time, 2-3 times a day, and observe whether the symptoms have improved. 2. If the fungal infection is diagnosed to cause local itching, it is necessary to use sodium bicarbonate solution for local cleaning. The actual fact is that you can be able to get a lot more than just a few of these types of things. It is necessary to dilute the potassium permanganate solution and then wash it externally, after washing it externally apply a little bit of Bactrim ointment, 3 times a day, and observe whether the symptoms are relieved after one week of continuous treatment.