Coming down easy...
"The following criteria define the SSRI (or SNRI) withdrawal syndrome:
Criterion A: A course of treatment in which an SSRI (or vanlafaxine) is stopped or interrupted or the dose is reduced after a period of 4 weeks or more.
Criterion B: Two or more of the following symptoms develop within 1 to 10 days of criterion A (except for fluoxetine in which case the symptoms must develop within 28 days):
(a) dizziness or light headedness
(b) nausea and/or vomiting
(c) headaches
(d) lethargy
(e) anxiety and/or agitation
(f) tingling (parasthesias), numbness or "electric" shock-like sensations in the head or limbs
(g) tremors
(h) sweating
(i)insomnia
(j) irritability
(k) vertigo (dizziness)
(l) diarrhea."