Target (Iris) lesions are seen in (LQ)
Erythema- multiform - individual lesions are red to purple maculopapule, some of which becomes annular or target like and may blister
1). Face and upper limbs are preferentially involved.
2). Buccal mucosa is often involved in severely affected person
3). This disorder may be precipitated by H. simplex, coccidiomycosis, histoplasmosis, drugs such as piroxicam, indomethacin, NSAID's, sulphonamides, thiazide diuretics