Western medications that are similar to Prostasone include Flavoxate, Naftopidil, and Doxazosin. Prostasone is a medication used to treat chronic prostatitis and other conditions, improving symptoms such as frequent urination, urinary urgency, and urethral obstruction. Drugs that work similarly to this medication include urethral smooth muscle relaxants such as flavopiridol and alpha 1 receptor blockers such as doxazosin. However, it should be noted that different drugs have different pharmacological mechanisms and contraindications, so it is forbidden to change drugs without authorization. Flavoxate is contraindicated in the presence of gastrointestinal obstruction, gastrointestinal bleeding, pancreatic achalasia, severe damage to the function of organs such as liver and kidney, drivers, high-altitude work, fine work and other conditions. Caution is advised in the use of the drug in cases of glaucoma, cataracts, high residual urine volume. Doxazosin and other α1-blockers are contraindicated in the acute stage of myocardial infarction, gastrointestinal obstruction, esophageal obstruction, gastrointestinal luminal stenosis and other conditions. Whether the need to change the drug requires the comprehensive judgment of clinicians, and unauthorized replacement is prohibited. The above drugs need to be used under the guidance of clinicians.