Hello Martin, Welcome to HealthcareMagic Forum.
Your History suggests You are Physically and Psychologically dependent on this Drug and also UTI or a Renal Calculi or Scrotal Infection
or Epididymitis. Kindly get yourself examined by a Urologist
so that he can examine you thoroughly and suggest a Blood and Urine Work up along with Ultrasonography
to rule out the exact cause. You should b seeing a Psychiatrist
to discuss about stopping this medication gradually. Drink plenty of water, avoid stress and if you Smoke and Drink, QUIT. Your treating Doctor will help you with that. Exercise regularly and eat healthy nutritious balanced diet which should include fresh fruits and Green leafy vegetables. Practice relaxation techniques
like Yoga and Meditation. Stick to your treatment plan and go for regular follow up.
Wish you Good Health.