NSAIDs or non-steroidal anti-inflammatories are medicines that are available either by prescription or over the counter.  Common prescription names are Celebrex (celecoxib), Mobic (meloxicam) and Voltaren (diclofenac sodium).  Do be advised there are many others, they should in packaging labeled NSAID.  The common over the counter versions are Aleve (naproxen sodium) and Advil (ibuprofen), amongst many other varieties.