- Typically GNRs (e coli in particular)
- Gonorrhea, Chlamydia if related to STI
- Tuberculosis (often ill, living in endemic area, chronic)
- Viral: Mumps most common, particularly if not vaccinated; others include Dengue, Zika
- Medication related
- Acute testicular pain and swelling
- Acute pain w/urination
- Swollen & tender epididymis and testis
- Doesn't transiluminate
- Urethral d/c if sti