Hemoptysis and pulmonary edema in a scuba diver using diclofenac.

Hemoptysis and pulmonary edema associated with nonsteroidal anti-inflammatory drug use is a known condition, but is probably underreported. The mechanisms of induction of pulmonary toxicity are still not well understood. We describe a case of hemoptysis and dyspnea in a scuba diver who was taking diclofenac.