Plantain needs to be soaked for a while before decocting, about 30min or so, and boiled on high heat first, then decocted on low heat.
Plantain is the dried whole grass of plantain or flat plantain of plantain family. It is sweet in flavor and cold in nature. It belongs to the liver, kidney, lung and small intestine meridians. It can clear heat, diuretic and diaphoretic (improve the problem of dribbling in urine, small amount of urine not passable), dispel phlegm, cool the blood and detoxify the toxin.
Psyllium can be used for heat drenching (burning and stinging pain during urination, accompanied by frequent urination and urgency, and discomfort of traction in the abdomen), astringent pain, edema and urinary incontinence, summer dampness and diarrhea, phlegm-heat coughing, and vomiting epistaxis (external bleeding in certain parts of the body that is not caused by trauma).
Psyllium decoction and taking need professional medical guidance and help.