Since I've been off the Prozac for about 4 months, is that too long to go back on it and hope for some reversal of the PSSD?

Hey everyone. I'm not exactly sure if this is the right place for this or not, but here goes. First let me say I'm so glad to have found this forum. I thought I was insane, but I am completely freaking out about the loss of erections and sensation. I was on 40 mg Prozac for 27 years. I tried getting...