Salonpas Pain Relieving Patches can be used for relief of aches, pain and inflammation associated with muscle fatigue, muscle pain, stiff shoulder, simple backache, bruises, sprains, strains, arthritis, bone fracture and minor frostbite. Adults and children 12 years of age and over: Clean and dry affected area Remove from backing film and apply to affected area not more than 3 to 4 times daily Remove after at most 8 hours Children under 12 years of age: Consult a doctor