Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. From my experience, alcohol cannot cause primary erectile dysfunction. But excess alcoholism can cause so many internal problems which could be the cause of metabolism changes and hormonal insufficiency. There is also a risk of anxiety disorder. Anxiety disorder can be one reason for your erectile dysfunction. Rethink and restrict alcohol intake. If you require more of my help in this aspect, Please post a direct question to me in this URL. http://goo.gl/aYW2pR. Make sure that you include every minute details possible. I shall prescribe the needed psychotherapy techniques. Hope this answers your query. Available for further clarifications. Good luck.