Side Effects :
. weakness
. dizziness, feeling unsteady, or having trouble keeping your balance
. dry mouth
. increased saliva
. diarrhoea
. constipation
. unusual hunger or thirst
. changes in posture
. nervousness
. changes in behaviour
. difficulty tasting food
. sensitivity to light
. changes in vision
. decreased sexual ability in men
. blank facial expression
. shuffling walk
. unusual, slowed, or uncontrollable movements of any part of the body
. restlessness
. speech problems
. changes in handwriting
. rash