Dyklo Topical Spray is used for Osteoarthritis pain, Pain, Delayed onset muscle soreness and other conditions. Dyklo Topical Spray may also be used for purposes not listed in this medication guide. Dyklo Topical Spray contains Diclofenac Topical, Lidocaine Topical and Menthol Topical as active ingredients. Dyklo Topical Spray works by decreasing the prostaglandin synthesis; stabilizing the neuronal membrane via suppressing the ionic fluxes; reducing pain and delayed onset muscle soreness;