•Available OTC as a lower-cost generic
•Can be applied directly to the painful area
•Comes as a patch, cream, ointment, lotion, and stick
•Generally well tolerated with few side effects
•Can't be applied to irritated or damaged skin
•Can't be used in people who are allergic to aspirin or salicylates
•Possibly cause salicylate poisoning if using too much of the product
•The patch won't stick well to damp skin