<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have been having issues for about a couple weeks that I have been conscious of - but, while I m sitting down it progressively gets worse throughout the day with pinching and then progressing to numbness. This occurs while I m sitting in my chair at work, where I spend my time 5 days a week in the same position. it also happens while driving, sitting on the couch at home and basically the sensation surrounds these types of bodily positions. The result has been numbness in the pelvic and genital region. This has also caused me to have a difficult time getting an erection while I have been in this position, but I have no such problems if I had been in an upright standing position for a period of time. Also, I do have diverticulosis, but it seems to be under control.  <response>: Hi and welcome to Chat Doctor. Thank you for your query. I understand your concerns and I will try to help you as much as I can. Erection problems can have many causes. These include:Physical problems, such as injury to nerves or loss oxblood supply to the penis. Other health problems, such as diabetes, high blood pressure, anxiety, and depression. Side effects of certain medicines. Stress. Chat Doctor. The exam, lab tests, and sometimes mental health tests can help find out the cause of the problem. Treatment is based on cause and include avoiding tobacco and 