Side Effects :
. drowsiness
. tiredness
. headache
. dizziness
. lightheadedness
. drugged feeling
. unsteady walking
. difficulty keeping balance
. nausea
. constipation
. diarrhoea
. gas
. heartburn
. stomach pain or tenderness
. changes in appetite
. uncontrollable shaking of a part of the body
. pain, burning, numbness or tingling in the hands, arms, feet or legs
. unusual dreams
. redness, burning or tingling of the tongue
. dry mouth or throat
. ringing, pain or itching in the ears
. eye redness
. muscle aches or cramps
. joint, back or neck pain
. heavy menstrual bleeding