Previcox indeholder firocoxib, der tilhører en klasse lægemidler, som kaldes nonsteroide antiinflammatoriske lægemidler (NSAID), herunder Coxib- gruppen, der virker ved selektiv hæmning af cyclooxygenase- 2 (COX- 2).
Previcox contains firocoxib, which belongs to a class of medicines called non-steroidal anti- inflammatory drugs (NSAIDs) belonging to the Coxib group, which acts by selective inhibition of cyclooxygenase-2 (COX-2).