Escitalopram fixed my Raynaud's at a low "taper up" dose basically immediately. Although it wasn't prescribed for that, this was just a happy side effect. I guess some SSRIs do that.

For depression, it took about a month to ramp up enough to see a difference. It did ease the anhedonia, but it also masked my emotional flashbacks until it was too late to disrupt them.

I also had SEVERE issues with my sodium while on it, which is why I didn't stay on it past a month. However, I don't snack or eat salty stuff so someone with higher sodium intake might have fared better.

I would have tried to get used to it to see if the masking of the early signs of flashbacks got better as I got used to it if it hadn't messed up my sodium so badly.

Also, the sexual side effects are real.