<qa>  What is the name of the drug that belongs to the non-steroidal anti-inflammatory drugWhile narcotic medication are commonly used for pain control near the time of surgery, there are significant side effects including constipation, nausea, risk of overdose leading to decreased breathing, and risk of addiction to narcotics. Our goal is to explore alternatives to narcotics for perioperative pain for patients undergoing sperm retrieval surgery. We have designed a prospective randomized clinical trial to evaluate how effective the anti-inflammatory medicine celecoxibCelebrex is for pain control near the time of surgery. Celecoxib is known as a COX-2 inhibitor, a drug that belongs to the non-steroidal anti-inflammatory drug NSAID class. It is used to reduce swelling and to treat pain. 