Vicks vaporub is good for cold symptoms breathing difficulty, body ache, cough, blocked nose, headacheand muscular stiffness. start feeling relief in five minutes from cough, blocked nose and breathing difficulty. Also you will steamed in fever and headache this method areadd one or two tea spoons to bowl of hot water cover head with towel lean over bowl to from tent gently inhale for ten to fifteen minutes.this product ingredients are tottaly herbal so no side effect to use this product