Hello Thanks for your query.You are having burning micturition and increase frequency of micturition and painful ejaculation.All these symptoms are suggestive of Prostatitis
as properly diagnosed by your Urologist
.Please get following investigations done to confirm the diagnosis.
1) Routine Urine Examination.
scanning of the Abdomen.Please take some antibiotics after consulting your Urologist and do not expect results in just two days after starting medicines as this takes more than three weeks to resolve.