http://www.medications.com/effect/view/12092 I BEEN ON ZORCO FOR ONE MONTH AND MY SIDE EFFECTS HAVE BEEN TERRIBLE. WEEKNESS ON RHW RIGHT SIDE, BOTH OF MY FEET FELL LIKE PINS AND NEEDLES ARE IN THEM. ALSO I CAN FEEL LIKE A NERVE IS JUMPING IN MY RIGHT FOOT. ALSO MY MOUTH FEELS LIKE WHEN YOU ARE ALLE