Ans - Increased liver enzymes; dizziness; indigestion; abdominal discomfort; nausea; and diarrhoea. Aceclofenac can cause a number of less common adverse effects, such as flatulence, gastritis, constipation, vomiting, mouth ulcers, itching, rash, dermatitis, urticaria, increased blood urea, and increased blood creatinine.