Compassionate insight your specialist before taking any arrangement. Tasteless Name: Diclofenac Extended-Release Tablets (color KLOE-fen-ak) Brand Name: Voltaren XR, (Voltaren RTD) Voltaren XR Extended-Release Tablets are used for: Treating rheumatoid joint irritation or osteoarthritis. It may moreover be used for diverse conditions as controlled by your pro. Voltaren XR Extended-Release Tablets are a NSAID. Absolutely how it capacities is not known. It may prevent certain substances in the body that are joined to disturbance. Nsaids treat the reactions of hurt and aggravation. They don't treat the ailment that causes those appearances. Voltaren XR may in like manner be used for purposes other than those recorded in this medication guide.