Dry skin seen due to excess dosage of datura is due to
One of the anticholinergic effects is dry skin due to absence of sweating due to blockade of m3 receptors on sweat glands Datura is nothing but atropine-anticholinergic drug Ref: KDT 6th ed pg 114-116
Vasodilatation
Absence of sweating
Central action
Change in BMR
Autonomic nervous system