Patients with silicosis should not take drugs with oxidative properties, including antimalarials (primaquine, quinine, chloroquine, etc.), antipyretics and analgesics (aspirin, acetaminophen, antipyrine, etc.), antibacterials (furazolidone, chloramphenicol, para-aminosalicylic acid), ketones (thiazolidone), sulphonamides and sulphones (aminophene, thiazolyl sulfone), insecticides (beta naphthol, antimonoporfin, nitro-pyridazol), naphthalene, quinidine, naphthanilide, high doses of vitamin K, propoxur, Chuanlian, and lamellia.