** Thanks for contacting with your health concern 1. since there is the presence of Streptococcus species but as I m unable to examine you directly nor the history, thus can t comment whether it is acute or chronic UTI, since if UTI left untreated can cause pain and swelling in and around the penis which can result in obstruction to the blood flow to the penis requiring for erection and if persists can result in erectile problem. PS. As you are under supervision thus the problem is best managed with: best managed with -broad-spectrum antibiotics initially, - urine culture to guide subsequent therapy, and - renal imaging studies if structural abnormalities are suspected. 2. Apart from above other causes which need to get evaluated as the probable or hidden cause of ED are: - any use of hypertensive or psychiatric drugs - any medical condition like overweight, diabetes, high blood pressure/ cholesterol] - Any psychological issue [stress/depression/anxiety] - Any substance abuse [adddiction] PS. please consult a Urologist for necessary examination and investigation, till then i. start with perineal exercises: while urinating, stop the flow of urine, start again, stop & start again 4-5 times. ii. take: milk and milk products, ghee, cheese, curd, black grapes, pears, raisins, dates, almonds, walnut, pomegranate, carrot, banana, apricots, muskmelon, amla, coconut, pistachio, turnip, potato, onion, lady finger, radish, old brown rice, peas,garlic, bottle gourd. iii. avoid sour and cold substances, tobacco [in any form], brinjal, tandoori roti, red chilies, heavy and food which require long hours to digest, jaggery and its items, deep fried food. PS. Before prescribing medication especially for ED, the patient should be evaluated for any cardiovascular diseases, thus have an appointment with a Cardiologist for any potential risk of a cardiovascular event.