Cang Er San 蒼耳散
Xanthium Formula (fire-draining/reducing formula)
Effects: opening the orifices(relieving the stuffy nose) and promoting sweating; eliminating dampness and dispelling wind.
Indications: sinusitis; nasal congestion with snivel; headache in forehead; hypertrophic rhinitis; chronic sinusitis.
Clinical Reference: This formula is often used in treating chronic rhinitis; paranasal sinusitis; allergic rhinitis, etc. For headache and insomnia, couple with Zizyphus Combination(Suan Zao Ren Tang)