炎琥宁是一种药物，主要用于治疗病毒性肺炎、病毒性上呼吸道感染等疾病。该药物在临床上的应用已经有了一定的历史，其疗效和安全性也得到了广泛认可。

炎琥宁的上市时间因地区和生产厂家而异。在中国，炎琥宁片剂和注射剂于1999年获批上市，而在美国和欧洲等地，炎琥宁上市时间相对较晚，需要在当地的药监机构进行审批和注册后方可上市销售。

在上市之前，炎琥宁经过了多项临床试验和研究，证明了其疗效和安全性。其中，一项针对病毒性上呼吸道感染的研究表明，炎琥宁能够有效缓解症状，缩短病程，减少并发症的发生。另外一项针对病毒性肺炎的研究也显示，炎琥宁能够改善患者的病情，提高治愈率，降低死亡率。

此外，炎琥宁的不良反应相对较少，常见的有皮疹、瘙痒等过敏反应以及恶心、呕吐等胃肠道反应。然而，对于孕妇、哺乳期妇女、儿童、老年人等特殊人群，需要在医生的指导下使用炎琥宁，以确保安全有效。

总的来说，炎琥宁是一种安全有效的药物，对于病毒性肺炎、病毒性上呼吸道感染等疾病的治疗具有重要的作用。随着临床应用的不断深入和研究的不断推进，相信炎琥宁将会为更多的患者带来福音。

英文对照：

When was Yan Huning available on the market?

Yan Huning is a drug that is mainly used to treat viral pneumonia and viral upper respiratory tract infections. The clinical application of Yan Huning has a certain history, and its efficacy and safety have been widely recognized.

The time of Yan Huning's market launch varies by region and manufacturer. In China, the tablets and injection of Yan Huning were approved for market launch in 1999. In the United States and Europe, the launch time of Yan Huning is relatively late, and it needs to be approved and registered by local drug regulatory agencies before it can be marketed.

Before the launch, Yan Huning has undergone multiple clinical trials and studies to prove its efficacy and safety. One study on viral upper respiratory tract infections showed that Yan Huning can effectively relieve symptoms, shorten the duration of the disease, and reduce the occurrence of complications. Another study on viral pneumonia also demonstrated that Yan Huning can improve patients' condition, increase the cure rate, and reduce mortality.

In addition, the adverse reactions of Yan Huning are relatively few. Common adverse reactions include allergic reactions such as rash and itching, as well as gastrointestinal reactions such as nausea and vomiting. However, special populations such as pregnant women, lactating women, children, and the elderly should use Yan Huning under the guidance of a doctor to ensure safe and effective use.

Overall, Yan Huning is a safe and effective drug that plays an important role in the treatment of viral pneumonia and viral upper respiratory tract infections. With the continuous deepening of clinical applications and ongoing research, it is believed that Yan Huning will bring benefits to more patients.