It is not possible to generalize about how many days it takes to see the effects of taking Urinary Retention Shu. Generally speaking, most patients may see the effects of the medicine in 2-4 weeks as prescribed by the doctor. Due to the severity of the disease, the body’s sensitivity to this drug and other factors, patients can not be sure of the specific time to see the effect of taking urine retention Shu, urine retention Shu is composed of bone marrow, money grass, motherwort and other traditional Chinese medicines, has the effect of activating blood circulation and removing blood stasis (to promote the operation of the blood and eliminate blood stasis in the body), dispersing knots and relieving pain, warming the kidneys and transforming the qi, and clearing away heat to clear up the lymphatic functions. Retention of urine is used for retention of urine caused by dampness-heat stasis (accumulation of dampness and heat evils to form stasis) and insufficiency of kidney qi. Common symptoms include urine as thin as a thread, pain in the constricted abdomen (body spasm and twitching due to the feeling of wind-cold), frequent urination, urgency of urination, pain in urination, redness in urination, and soreness of the waist and knees (a feeling of soreness and weakness of the waist and knees). Those suffering from prostatic hyperplasia can also use this medicine to improve the condition if the above mentioned symptoms are present. Generally speaking, if the medication is used consistently as prescribed by the doctor, most patients can usually have an effect within 2-4 weeks. Individual patients may experience side effects such as mild diarrhea, thirst and gastrointestinal discomfort after using the drug. The contraindications of this product are not known. If you need to take this product, please under the guidance of a professional physician, not self-medication.