<s>[INST] 38 years old enjoy masturbarting. Spotted small sores (about 5) on my veins (shaft), during masturbating. Sores opened up into wound after two days. Takes long to heal. What could b problem. Could it b a viral infection? It is itchy around the place. Another set has formed. [/INST] Hi. You should see a Doctor or a Dermatologist. This is not normal. Unless some rigorous activity has been done or exposure to some infecting agent this should not happen. I am refraining  from advising any ointments as I have not examined you. But you would require some antibiotics to cover for secondary infection. Take care and see your Doctor whenever you can. Dr Rishi, New Delhi, India. </s>