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
Arsenic occurs in four forms which are arsenic (0), arsenite As (III),
arsine As (III) and arsenate As (V).Among these four oxidation states the inorganic arsenite and arsenate is commonly found in the water, these are the most prevalent forms of the arsenic [22].
zanier, snares, snare, siren, sins, sine, since, scans, scan, sarnie, sans, saner, sane, risen, rinses, rinse, resin, reins, rein, rani, rains, rain, raciness, nicer, nice, nears, near, naris, nacre, incases, incase, earns, earn, cranes, crane, casein, cans, canes, caner, cane, cairn,
arsine, arsenic, arisen, arcsine, arcsin, anise, acne, CRAZINESSWORDsquare: A.