Pharmacological class NSAID Indications: Rheumatoid Arthritis Osteo-Arthritis Ankylosing Spondylitis Spondyl-Arthritis Painful syndrome of Vertebral column. Dosage & Administration. 50mg TDS with or after meals 75mg OD or BD with or after meals. Contra-Indications: PUD / Hypersensitivity to Diclofenac / Asthmatics. Pregnancy & Lactation: Should be administered only if potential benefits outweighs the risks involved.