After urinating, there is a residual urine dumping not clean causes include urethritis, prostatitis, prostate hyperplasia, cystitis, etc., the treatment includes medication such as levofloxacin, etc. and surgical treatment such as transurethral resection of the prostate. 1. Urethritis: In case of urethritis, anti-bacterial treatment such as cefixime and ciprofloxacin can be given at this time. 2. Prostatitis: patients can be given tamsulosin hydrochloride and other drugs to relax the muscles of the prostate to treat, can take levofloxacin and other anti-inflammatory drugs. 3. Prostatic hyperplasia: for patients with prostatic hyperplasia, you can take tamsulosin and finasteride and other drugs, if necessary, surgical treatment such as transurethral resection of the prostate. 4. Cystitis: If it is cystitis, you can give antimicrobial treatment with drugs such as ofloxacin and ciprofloxacin. There may be other reasons why you can’t get rid of the urine after urinating, so you need to consult a doctor and get treatment as soon as possible.