药物可抑制血小板产生或使其在血管内被破坏而引起血小板减少症。这究竟是药物的毒性作用(如瑞斯托霉素),还是某些药物与免疫系统相作用的结果,目前还在争论中(如肝素)。临床特征:常突然发病,伴有紫癜、瘀斑、粘膜出血及口腔血疱。体检时有上述体 Drugs can inhibit platelet production or to be destroyed in the blood vessels to cause thrombocytopenia. Whether this is the toxic effect of drugs (such as ristocetin) or the result of the interaction of certain drugs with the immune system is still debated (such as heparin). Clinical features: often sudden onset, accompanied by purpura, ecchymosis, mucosal bleeding and oral blood blisters. Physical examination when the above body