isovaleric acid

Paronychia is a nail infection that is an often tender bacterial or fungal infection of the hand or foot, where the nail and skin meet at the side or the base of a finger or toenail. The infection can start suddenly (acute paronychia) or gradually (chronic paronychia). Paronychia is commonly misapplied as a synonym for whitlow or felon. The term is from Greek: παρωνυχία from para, 'around', onyx, 'nail' and the abstract noun suffix -ia.

The skin typically presents as red, itchy, and hot, along with ...