Drugs causing methaemoglobinaemia are acetanilide, alloxan, aniline, arsine, benzene derivatives, bivalent copper, bismuth, bupivacaine, chorates, chloroquine, chromates, dapsone, dimethyl sulfoxide, dinitrophenol, exhaust fumes, ferricyanide, flutamide, hydroxylamine, lidocaine, metoclopramide, naphthalene, nitrates,
nitrofuran, nitroglycerin, sodium nitroprusside, paraquet, phenacetin, phenol, phenytoin, rifampin, sulphasalazine and sulphonamides
However, this d-SPE step has been omitted in some reports without negative effects, including the analysis of mycotoxins in eggs [31] and
nitrofuran metabolites in honey [44], which may be due to the limited number of target compounds in these cases.
aureus isolate(s) from each positive nasal swab were tested for susceptibility to the following 12 classes of antibiotics: aminoglycosides, beta-lactams, cephalosporins, fluoroquinolones, lincosamides, macrolides, oxazolidinones, rifamycin, streptogramins, sulfonamide,
nitrofuran, and tetracyclines (see Table S1).