... I believe I'm one of the 3% or so who experienced this side effect. I noticed my libido drastically diminished during week 6 (in concert, my breath became extremely bad and my vision blurred substantially -- all during weeks 5 and 6). I never experienced any of this before in my life. I always had a great sex life and good vision. I decided to stop taking antabuse, but remain particularly concerned I could stay permanently impotent. I appreciate anybody's feeback