Hello, Welcome to HCM, Trichomoniasis is a sexually transmitted disease (STD) caused by a small organism called Trichomonas vaginalis. Women are most often affected by this disease, but men can become infected and pass the infection to their partners through sexual contact. Men will not have symptoms of trichomoniasis and usually do not know they are infected until their partners need treatment. But when symptoms like Irritation inside the penis,Mild discharge and burning micturation. To diagnose this you and your boy friend requires physical examination and lab test. Oral antibiotic like metronidazole is given to both the partners to treat the condition. Thank you.