Gan Lu Xiao Du Dan is indicated for damp-warmth and seasonal epidemic. It is a pattern with equal dampness and heat pathogens in the qi level. The symptoms are fever and fatigue, chest distress and abdominal distension, aching pain of limbs, throat pain, yellow skin and eyes, maxillofacial swelling, thirst, scanty and dark urine, diarrhea, and turbid strangury. The tongue coating may be either white, thick and greasy or yellow and dry. The pulse is either soggy and rapid or slippery and rapid.

Patterns of blood deficiency, congealed cold, and blood stasis marked by inhibited lochia after childbirth and cold pain in the lower abdomen.

1. Qi and yin consumption due to warm-heat or summerheat invasion. The clinical manifestations include profuse sweating, mental fatigue, general sluggish sensation, lack of strength, weak breathing, reluctance to speak, dry throat, and thirst. The tongue is red and dry with a scanty coating and the pulse is deficient and rapid.
2. Deficiency of both qi and yin due to a prolonged cough. The clinical manifestations include a dry cough with little expectoration, weak breathing, spontaneous sweating, and a dry mouth. The tongue is dry and the pulse is deficient and thready.

The formula is indicated for intense heat in the qi level with high fever, red facial complexion, restlessness and thirst, polydipsia, sweating, aversion to heat, and a surging, big, and forceful pulse.