1. This formula is indicated for patterns of yang-deficiency with externally contracted wind-cold. Signs and symptoms include fever, severe aversion to cold that does not improve even with thick layer of clothes and a quilt, lassitude, lethargy, and a deep and tiny pulse.
2. It is also indicated for a sudden loss of voice. Signs and symptoms include a sudden onset of a harsh voice, loss of voice, severe sore throat, aversion to cold, fever, lassitude, and lethargy. A pale tongue with a white coating and a deep and forceless pulse.

Ma Huang Tang is indicated for an externally contracted wind-cold exterior-excess pattern. The symptoms are aversion to cold, headache, generalized body pain, absence of sweating, and labored breathing. The tongue coating is thin and white, and the pulse is superficial and tight.

Fu Yuan Huo Xue Tang is indicated for injuries from falls, fractures, contusions, and strains, as well as, patterns of blood stasis marked by unbearable hypochondriac pain due to obstructive stasis.

This formula is indicated for swollen-head infection (also referred to as massive head scourge). The symptoms are redness, swelling, and pain in the head and face, failure to open the eyes, red, swollen, and sore throat, aversion to cold with fever, thirst, a red tongue with a yellow coating, and a forceful rapid pulse.