<s>[INST] 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. [/INST] 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. http://goo.gl/aYW2pR. Make sure that you include every minute details possible. Hope this answers your query. Available for further clarifications. Good luck. </s>