Sildenafil, a peripherally acting inhibitor of cyclic guanosine monoph
osphate (cGMP), has been reported highly effective in treating erectil
e dysfunction of various etiology. Erectile dysfunction is a common se
xual side effect of various antidepressants. Various agents have been
used in the treatment of antidepressant-induced erectile dysfunction;
however, there are no reports on the use of sildenafil for this indica
tion. This case report describes the successful use of sildenafil in f
luvoxamine-induced erectile dysfunction. A possible mechanism of actio
n of sildenafil in this type of erectile dysfunction is discussed.