Abstract：
We report a case of a man in his 70s who developed haemoptysis 3 days after commencing sildenafil. Before postulating a potential connection between sildenafil use and haemoptysis, it is important to rule out potential other causative factors and comorbidities. The patient suffers from multiple medical conditions and takes various medications. On examination, no abnormalities were discovered. There were no recent significant changes in his bloodwork. Cessation of sildenafil coincided with spontaneous symptom resolution. Chest CT was performed, and no abnormalities were reported. Pseudohaemoptysis or malignancy may be the main differential diagnoses of haemoptysis in elderly patients with multiple comorbidities. Concurrent anticoagulation of the patient may predispose to haemoptysis and is likely to be of greater clinical concern.
摘要：
我们报告了一例70多岁的男子，他在开始使用西地那非3天后出现咯血。在假设西地那非使用与咯血之间存在潜在联系之前，重要的是排除潜在的其他致病因素和合并症。患者患有多种医疗状况并服用各种药物。在检查中，没有发现异常。他的血液工作最近没有重大变化。停止西地那非与自发症状缓解同时发生。做了胸部CT,没有异常报告。假性咯血或恶性肿瘤可能是合并多种疾病的老年患者咯血的主要鉴别诊断。患者的并发抗凝可能会导致咯血，并且可能引起更大的临床关注。
