Hello: According to the symptoms you described, the symptoms of throat pain caused by upper respiratory tract infection can be considered. Shuanghuanglian capsule has a good effect of clearing away heat, detoxicating and relieving pain. You should pay attention to rest, drink more boiled water and not eat irritating food. Generally, it can be relieved or cured in 2 days.
Zhizhi syrup is a cough medicine and can be taken with Shuanghuanglian capsule.