Upset stomach, nausea, heartburn, diarrhea, constipation, gas, headache, drowsiness, and dizziness may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Does diclofenac make you sleepy?

It happens rarely, but some people can feel tired, dizzy or sleepy when they take diclofenac. They may also have problems with their eyesight.

How long does it take for ZIPSOR to work?

This medicine usually begins to work within one week, but in severe cases up to two weeks or longer may pass before you begin to feel better. Several weeks may pass before you feel the full effects of this medicine. You may take this medicine with or without food.