抗生素相关性腹泻(antibiotic associated diarrhea,AAD)是指应用抗感染药后发生的继发性腹泻,是抗感染药物的一种常见不良反应。随着抗生素广泛的应用,此病逐渐增多。由于此病起病突然,进展迅猛,病情严重者可导致死亡,而此病又容易漏诊、误诊,往往导致严重的后果,因此了解和分 Antibiotic associated diarrhea (AAD) refers to the secondary diarrhea that occurs after antiinfectives are applied and is a common adverse reaction to anti-infectives. With the widespread use of antibiotics, the disease gradually increased. Because of the sudden onset of the disease, rapid progress, serious illness can lead to death, and the disease is easily missed, misdiagnosed, often leading to serious consequences, so understanding and sub