Almst daily suddenly feel like drops of cold liquid landing on skin. Stop activity to find source but Skin dry hand arm foot or leg, 1-2 min. Cause?

Irritable nerves. This may be an irritability of superficial nerves in the skin or other tissues and if it persists, it may be advisable to ask your physician to order some blood tests to check for calcium,magnesium,electrolyte,vit B12 deficiencies.