Dear Welcome to HCM We understand your concerns I went through your details. Frequent urination, burning and obstructing sensation of the penis usually points towards urethra inflammation, calculi or other renal related problems. I suggest you to consult a physician if your problem is persistent. In the mean time, please drink lot of water. If you require more of my help in this aspect, please use this URL. http://goo.gl/aYW2pR. Make sure that you include every minute detail possible. Hope this answers your query. Further clarifications are welcome. Good luck. Take care.