The present Invention relates to a composition comprising Diclofenac and salts thereof, where the Diclofenac or its Salt are present in an amount of 25 to 200 mg.The composition is suitable for parenteral Administration via the intramuscular and intravenous, Oral, dermal, subcutaneous, nose, Skin, eye drops,As a rectal Suppository, vaginal pessaries, intra articular Release otic. The Invention also provides compositions comprising a combination of Diclofenac and Other Drugs.The Invention also provides a method for preparing the compositionLa presente invencion se refiere una composicion que comprende diclofenaco y sales del mismo, donde el diclofenaco o su sal estan presentes en una cantidad de 25 a 200 mg. La composicion es adecuada para la administracion parenteral a traves de la via intramuscular e intravenosa tambien por via oral, dermica, subcutanea, cutanea, nasal, gotas oculares, como supositorio rectal, pesarios vaginales, intra-articular, liberacion otica. La invencion tambien proporciona composiciones que comprenden una combinacion de diclofenaco y otros farmacos. La invencion proporciona ademas un metodo para preparar dicha composicion
