<prompt> Common drugs responsible for Lichenoid reaction isare:Antihypertensive.NSAIDS.Pencillamine.All of the above.  <response>: Lichenoid reactions are drug induced and exhibit histopathological features similar to lichen planus. The common drugs implicated in oral lichenoid reactions are - antihypertensives, NSAIDS, pencillamine followed by dapsone, ketocanazole, streptomycin, sulfamethoxazole, tetracycline, chloroquine, and oral hypoglycemic agents, etc. 