Weakness or numbness on one side of
the body does not mean that it was a Stroke
. The adverse effects of
Effexor overdose are- vertigo, dizziness, nausea, numbness/tingling in the hands or feet, sleepiness, rapid or slow heartbeat, low blood pressure, seizures, or coma. Since you had taken a heavy overdose and that too pills expired 5 yrs back, the adverse effects would be even worse in severity.