<p>Side-effects of Diclofenac are usually mild and transient. However, if serious side-effects occur. Diclofenac should be discontinued. Occasional: epigastric pain, other gastro-intestinal disorders (e.g., nausea, vomiting, diarrhoea, abdominal cramps, dyspepsia,flatulence,anorexia). Rare: gastro-intestinal bleeding, peptic ulcer (with or without bleeding or perforation), bloody diarrhoea.</p>