This invention relates to a method of mitigating side effects of non-steroidal anti-inflammatory drugs, specifically to administration of a pyridine derivative to mitigate and/or prevent prostaglandin e2 reducing side effects of non-steroidal anti-inflammatory drugs. Also provided is the use of a pyridine derivative in the preparation of a medicament for the reduction of said side effects of non-steroidal anti-inflammatory drugs, and a pharmaceutical composition comprising a non-steroidal anti-inflammatory drug and a pyridine derivative.