I have suffering from pre cum which cause smegma...

Is it normal to lose erection after ejaculation?
Well, the answer is yes, it's normla to lose the penile erection after ejaculation.

What is the appropriate treatment ?
Prostatitis is treated by using antibiotics such as ciprofloxacin 500mg twice a day for two weeks, and if there is pain, you can benefit from taking a pain reliever such as ibuprofen 600 mg twice a day for pain relief. It is also recommended to get enough rest, drink a lot of water at a rate of 2.5 liters per day (in the absence of any contraindication, such as heart failure)and it is also recommended to take vitamin C and zinc tablets to enhance immunity, in addition to omega-3 and probiotics. In case of chronic infection, you will be prescribed an antibiotic for longer time.
Diagnosis:
History taking and medical examination to be done by a urologist. Semen analysis is also performed to detect infections. Complete blood analysis, and a urine analysis to detect the presence of associated infections in the urinary tract. It is also possible to make an ultrasound of the prostate

Symptoms of prostatitis:
- Pain during ejaculation
- Urgent need to urinate
- Burning during urination
- Pain in the penis and testicle
- Change in urine color
- Lower back pain
Recommendation:
Follow up with the urologist