<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hello. I have sever hives and are under control. Iam looking for a medication that I can take to prevent an erection permanently but not fuel my hives more. Also Im on 100mcg synthroid. The reason for this question is for a vow. I dont want chemical castration just a permanent stop erection.  <response>: Degree understand your concerns went through your details. As far as I know, there are no proven medical or surgical methods to stop erection fully. Please consult a urologist for further advise. If you require more of my help in this aspect, please use this URL. Make sure that you include every minute details possible. Hope this answers your query. Available for further clarifications. Good luck. 