Natrum muriaticum is a tissue salt that may be effective in reducing the symptoms of colds that start with sneezing and the nose running like a tap. Other conditions which may benefit include dry, itchy skin in the creases of a joint, PMS, menstrual symptoms and dryness of vagina at menopause often accompanied by feelings of sadness, resentment, irritability and a desire to be alone. The emotional symptoms of Nat mur are grief with despair, resentment and a tendency to brood and dwell over the past. It can be the result of long term emotional strain or loss. They don’t like sympathy, company or crying in public.