32% Gel have diclofenac diethylammonium, and can be utilized for muscular / joint ache reduction. Do not use on small children below 14 decades. Voltarol 140mg Medicated Plaster is made up of diclofenac sodium for reduction of sprains and strains. Will not use on small children less than 16 yrs. Often read through the label.Moreover, Emulgel techno