<prompt> Dry skin seen due to excess dosage of datura is due toVasodilatationAbsence of sweatingCentral actionChange in BMR  <response>: 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 