<div class="FTQUOTE"><begin quote><i>Originally posted by: <b>FlDale87</b></i>
I am 21 with cf, and until recently had not had sex for about a year. Back then I never had a problem, but with my current girlfriend, I get aroused but not enough to have sex.</end quote></div>
If I could attempt to synthesize some of the previous answers:
You're 21 years old, and I am assuming you're a male (Dale?) in Florida (Fl?). You should be at the top of your sexual peak at that age. Lots of good looking ladies in the sunshine state. No sex for a year? Unable to become sufficiently aroused?
In my completely <i>amateur</i> opinion, it's more likely that the problem is with you rather than her. No worries. Just sit down with your PCP and discuss the side-effects of your medications before jettisoning the girl.