Brief Answer:
Could be due to infection of Prostate .(Prostatitis)

Detailed Answer:
Hello
Thanks for your query ,based on the facts that you have posted it appears that you have urgency for urination after ejaculation and discomfort in lower abdomen .

I shall be happy if you can post me few more details to help me in making comments on your problem.
1) Do you have paiful ejaculation ?
2) Do you have pain in perineum or around anus ?

All these symptoms are suggestive of infection of prostate (Prostatitis)

Please consult qualified Urologist for clinical and digital rectal examination and get following basic tests done to confirm the diagnosis.
1) Urine routine and culture.
2) Ultrasound scanning of abdomen and pelvis
3) Serum PSA.
4) Semen Examination and semen culture.

In the mean while please take broad spectrum antibiotics like Cefixime along with urinary antiseptic like Nitrofurantoin twice daily and Darifenacin once daily .Later on switch on to appropriate antibiotics as per culture report.

Get the prescription of medicines from your family Physician.

Ensure to drink more water .To keep your urine dilute This will help to control dysuria.

Hope I have answered your query ,please feel free to ask if you have more questions ,I shall be happy to help you
Thanks and Regards.
Dr.Patil

---

Brief Answer:
Read detail answer bellow.

Detailed Answer:
Hello
Thanks for feedback

Symptoms are likely to be due to UTI,.

Please get your routine urine test and urine culture done to find out the organisms causing this infection and antibiotics to which they are sensitive to.

Please take broad spectrum antibiotics like Cefixime along with urinary antiseptic like Nitrofurantoin and urinary antispasmodic like Flavoxate twice daily .Later on switch on to appropriate antibiotics as per culture report.

Get the prescription of medicines from your family Physician.

Ensure to drink more water.

Hope to get resolve this issue within a week.
Thanks and Regards.
Dr.Patil.

---