Stop use and ask a doctor if, condition worsens, redness is present, irritation develops, symptoms persist for more than 7 days or clear up and occur again within a few days, you experience signs of skin injury, such as pain, swelling, or blistering where the product was applied. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center right away. For external use only. When using this product use only as directed. Read and follow all directions and warnings on this carton. rare cases of serious burns have been reported with products of this type do not bandage tightly or apply local heat (such as heating pads) or a medicated patch to the area of use, avoid contact with eyes and mucous membranes do not apply to wounds or damaged, broken or irritated skin a transient burning sensation may occur upon application but generally disappears in several days.