How effective is the water boiled with miller’s weed

Boiling water and drinking it with miller’s herb is effective for colds and fever.
Mopan grass is sweet and light in flavor, cool in nature, and belongs to the lung meridian and kidney meridian. It has the effect of dispersing wind and clearing away heat, eliminating swelling and detoxification, resolving phlegm and relieving cough. It is used in the treatment of colds, fever, cough, diarrhea, earache, deafness, sore throat, mumps, gonorrhea (increased frequency of urination, dribbling and astringent pain), sores, carbuncles, swollen toxins, bruises and other conditions. Pregnant women should be cautious of taking Mopanax.
It can be used as a decoction for internal use, as a poultice for external use, or as a decoction for external cleansing. However, the effect of this drug due to personal constitution, the degree of disease and other factors, there is a difference, for the treatment of disease should be in the doctor under the guidance of the identification of medication, do not take on their own, so as not to cause adverse consequences.