Topical pain relievers, also known as topical analgesics are creams, sprays or rubs that are applied topically (to the skin) to help relieve pain in a muscle or joint. These products are available without prescription. Several types exist and work in different ways depending on the ingredients.

Salycilates
Salicylates are the the same ingredient found in the oral pain medications containing aspirin. these compounds may work by inhibiting prostaglandins, hormonelike substances that contribute to pain and inflammation. Topical analgesics containing salicylates include Aspercreme, BenGay, Flexall, Mobisyl and Sportscreme.

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Counter-Irritants
Irritants stimulate the nerve endings on the skin to cause feelings of hot, cold or itching. This phenomenum of fooling the pain has been used for hundreds of years to help treat mild to moderate pain. Products classified as counter-irritants include such brands as ArthriCare, Eucalyptamint, Icy Hot and Therapeutic Mineral Ice.

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Capsaicin
This natural product, a highly refined and concentrated form of the active ingredient found in hot peppers works by by depleting the amount of a neurotransmitter called substance P, which is believed to send pain messages to the brain. Capsaicin is available under the product names Zostrix, Zostrix HP, and Capzasin-P. Menthacin includes both capsaicin and counter-irritants.

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