Butyramide kana mainly impedes the synthesis of bacterial proteins and therefore has a bactericidal effect, and is able to treat infections of Escherichia coli, Klebsiella, Enterobacter, Aspergillus, H. influenzae, and Mycoplasma pneumoniae, and is often used clinically for infections of the lung, such as in cases of lobar pneumonia, or infections of the biliary tract system, such as cholecystitis and bile duct stone co-infections, and infections of the urinary system, such as pyelonephritis, cystitis, and urethral infections. In the case of urinary tract infections, there will be urgent urination and stinging pain in urine, and blood and urine tests will show significant abnormalities. When treating with bupropion, it is important to pay attention to its side effects, to nephrotoxicity, ototoxicity, and also to allergic reactions.