《伤寒论·辨太阳病脉证并治中》
如果服小青龙汤后口渴的，是外寒得去，内饮得化，病情将要解除的征象。
服汤已渴者，此寒去欲解也。
If the patient is thirsty after taking Xiaoqinglong Tang, this is a sign that the external cold has dispelled, the internal fluids have transformed, and the condition is about to resolve.