Discontinuing abruptly vs tapering off an SSRI

I'm trying to understand when you would taper off an SSRI, vs just stopping it abruptly. If a patient is on a SSRI and benefiting from it (even a slight benefit), and you decide to switch to something else b/c of a side effect (say sexual dysfunction), you have to add on the new med (say a NDRI) and TAPER OFF the SSRI, right? You would not want to cease the SSRI abruptly, out of concern for rebound depression. What if the SSRI is not working at all, no benefit? All its doing is causing... Discontinuing abruptly vs tapering off an SSRI
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Tags: Psychiatry Source Type: forums