K2C Patch

K2C Patch® is a prescription topical patch containing 15 articulated patches (5 per resealable pouch x 3 pouches).

Menthol is present in a 5% concentration (w/w). The empirical formula for menthol is C10H20O with a molecular weight of 156.27 g/mol. The chemical name is (1R,2S,5R)-2-isopropyl-5-methylcyclohexanol.

The structural formula is:

** Menthol **

Capsaicin is present in a 0.025% concentration (w/w). The molecular weight of capsaicin is 305.41 g/mol. It has an empirical formula of C18H27NO3 and is chemically designated as 8-methyl-N-vanillyl-6-nonenamide.

The structural formula is:

** Capsaicin**

Known hypersensitivity to menthol, capsaicin, or any of the topical amide-like anesthetic preparations.

The safety of K2C Patch® has not been established during pregnancy. There are no well-controlled studies in pregnant women.

Store at room temperature at 68°F to 77°F (20°C to 25° C). Protect from excessive moisture. Keep away from heat or sunlight. The product can be considered safe and effective to use when maintained under these recommended conditions within the posted expiration date.

There have been no reports of over-dosage with K2C Patch®. Signs of over-dosage would be consistent to those of other analgesic-based preparations - vomiting, drowsiness, coma, respiratory depression, and seizures. In the case of an over-dosage, discontinue the product immediately, treat the patient symptomatically, institute supportive measures, and call 9-1-1 if necessary.