NSAIDs and surgery

I take diclofenac Voltaren in order to keep walking. How soon before elective surgery would I need to stop taking it, and how soon after could I take it.

rheumatologist in St. Louis, MO

Hi there ~ my husband has been diagnosed with Fibromyalgia for about a year. He is a very healthy and active guy, making this even harder on him. We are trying to locate a specialist in St. Louis, MO. Would you be able to assist in our quest? Many thanks