Chronic, slow-healing dry cough at the tail-end of a respiratory infection due to qi and yin vacuity with lingering heat and phlegm, dry cough with no or little phlegm, cough tending to get worse in the later afternoon and evening, low-grade fever or obvious warmth in the late afternoon and evening, possible evening sweating, dry and chapped lips, thirst with dry mouth, a dry uncomfortable feeling in the throat which may provoke coughing, hoarseness