The effect time of retention of urine clear tablets is related to the severity of the disease, the body’s sensitivity to drugs and other factors, and can not be generalized. Generally speaking, most patients will have effect in 7-14 days, and individual patients may need longer time to have effect. This is an expectorant, with the effects of clearing heat and removing toxins (removing heat and poisonous evils from the body), cooling the blood and clearing the lymphatic flow. It is suitable for the symptoms of heat drenching (burning and tingling obvious during urination, accompanied by frequent urination and urgent urination with discomfort in traction of the abdomen) caused by dampness-heat in the lower burner (dampness and heat invading the intestinal tract, bladder, pubic region and lower limbs), such as urinary frequency, urgency and urinary pain, and abdominal distension. This product can also be used for chronic prostatitis damp-heat accumulation (dampness and heat evils in the body each other) and blood stasis evidence. In general, most patients will see the effect of the medicine in 7-14 days. During the period of taking Retention of Urine Clearance Tablets, patients may experience adverse reactions such as mild nausea, gastric distension and pain, stomach upset, and loss of appetite. This medicine is not recommended for those with gonorrhea (increased frequency of urination and astringent pain in gonorrhea) belonging to spleen and kidney deficiency or liver depression and stagnation of qi (poor qi and blood transportation of the liver and depression), and those with bladder qi not functioning. This medicine is also not suitable for those who have retention of urine (dribbling of urine or inability to urinate) caused by deficiency of the spleen and sinking of the spleen, depression of the liver and stagnation of qi, loss of kidney yin and exhaustion of kidney yang. The use of the drug should be under the guidance of a doctor and should not be self-administered to avoid discomfort.