Stop use and ask a doctor if
■ condition worsens
■ symptoms persist for more than 7 days
■ symptoms clear up and occur again within a few days
■ excessive irritation of the skin develops
■ nausea, vomiting, abdominal discomfort, diarrhea, or skin rash occurs
■ you feel actual pain or experience blistering or burning after application (it is normal to feel a warming or cooling sensation)
■ when using for pain of arthritis:
■ pain persists for more than 10 days
■ redness is present
■ in conditions affecting children under 12 years of age