Small Centipeda Herb Classic Formulas … Natural Herb Library

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Disperses wind-cold and powerfully opens the nasal passages, making it one of the most specific herbs for nasal congestion, rhinitis, and sinus obstruction.
Resolves phlegm and stops cough when cold-type phlegm blocks the Lung and breathing passages.
Brightens the eyes and removes visual obstruction in older use for red eyes or superficial corneal films.
Resolves toxicity and reduces swelling when applied externally to boils, sores, traumatic swelling, or bites.

Nasal-opening modifications to Cang Er Zi San or Bi Yan Wan ... the most familiar practical use for stubborn congestion and sinusitis.
Wind-cold respiratory pairings with Xin Yi Hua and Cang Er Zi ... the classic upper-airway strategy.
Fresh-herb external application or powder insufflation ... older topical methods for swelling and severe blockage.

Traditional herbology describes E Bu Shi Cao as pungent and warm, entering the Lung and Liver to disperse wind-cold and unblock the nose.
Classical and modern herb manuals consistently place its strongest indication in nasal obstruction rather than general fever clearing.
Its old reputation for making the patient sneeze captures the herb's penetrating, upward-directing action.