Hi, dear I have gone through your question. I can understand your concern. You have high grade fever with pain in urination. You may have some infection in urinary tract or prostate. You may also have benign prostatic hyperplasia. You should go for urine routine and microscopic examination as well culture and sensitivity test. It will give you exact diagnosis. Then you should take treatment accordingly. Drugs like levofloxacin or norfloxacin can be helpful. It is prescription based medicine so consult your doctor and take treatment accordingly. For fever you should take paracetamol as and when required. Ypu should also go for ultrasound prostate to check the size and volume. Then take treatment accordingly if needed. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using health care magic. Wish you a very good health.