If there is lung heat and cough and other indications of menstruation can be moderate to drink fishweed water. But menstruating women who have dysmenorrhea, low menstrual flow, cold and fear of cold, this situation should not drink fishy grass water to avoid aggravating the condition. Note that the drug soaked water can not fully play its efficacy, and can not replace the medication, if the symptoms are recommended to seek medical attention in a timely manner. Fishweed is cold in nature, belonging to the lung meridian, has the effect of clearing heat and detoxification (clearing the body of heat and toxicity), eliminating carbuncle pus (eliminating carbuncle, discharging pus), diuretic and diaphoretic (to improve the urine dribbling, urine volume of the problem of small and incomprehensible). It is usually used in combination with other herbs to treat lung-heat cough (cough caused by heat in the lungs), heat-poison sores and carbuncles (sores and carbuncles appearing on the surface of the skin due to excessive heat and toxicity in the body), damp-heat gonorrhea (increased frequency of urination, dribbling and astringent pain), and damp-heat diarrhea (diarrhea caused by sensing damp-heat evil). Caution: Do not take this product for cold deficiency syndrome and yin syndrome (sores and ulcers with symptoms such as coldness and coldness). If there are any related symptoms, it is recommended to consult a doctor in time, and do not believe in the prescription, in order to avoid the occurrence of related adverse reactions.