The efficacy of Retention of Urine Clearing Tablets is to clear heat and detoxify the body (remove heat and poisonous evils from the body), cool the blood and promote lymphatic flow; it is used for the treatment of heat drenching (burning and stinging pain is obvious when urinating, accompanied by frequent urination and urgency, and discomfort of pulling in the abdomen) caused by dampness-heat in the lower Jiao (the invasion of wetness and heat into the intestines, bladder, pubic region, and lower limbs etc.); the side-effects are stomach discomfort and nausea. Retention of urine clearing tablets is a proprietary Chinese medicine, consisting of zedoary, psyllium, septoria, honeysuckle, peony bark, white flower snakebite and other drugs, with the effect of clearing heat and removing toxins, cooling the blood and clearing the gonorrhea, and is suitable for the heat gonorrhea caused by dampness-heat in the lower Jiao, and the symptoms of frequent urination, urgency of urination, pain in urination, and traction discomfort in the lower abdomen. After taking the medicine, patients may experience side effects such as nausea and vomiting, stomach distension and stomach discomfort. It is not recommended for patients with gonorrhea (increased frequency of urination, dribbling and astringency) and retention of urine (dribbling or inability to urinate) caused by deficiency of the spleen and kidney, or liver depression and qi stagnation (poor transportation of qi and blood in the liver, emotional depression). It is not suitable for patients with retention of urine due to liver depression, Qi stagnation, spleen deficiency, kidney yang exhaustion and kidney yin depletion. Retention of urine tablets should be used under the guidance of a Chinese medicine practitioner and should not be used blindly.