The common side effects of these tablets include: Nausea, Heartburn, Gastrointestinal disorders such as diarrhea, bloating, stomach upsets, constipation, etc., Headaches and dizziness as Diclofenac is a depressant., Ringing in the ears, Signs of kidney disorders such as a change in the amount of urine expelled., High blood pressure, Signs of allergic reactions such as itching and rashes., Signs of liver damage such as the yellowing of the skin. If any of these side effects are experienced, it is important to contact your doctor immediately and seek medical help. It is also important to note that some other side effects may also appear that have not been listed here, and not everyone consuming this medicine suffers from these side effects.