Idiopathic orchialgia
Epididymitis
Orchitis (e.g., viral and bacterial infection)
Epididymoorchitis
Post-vasectomy pain syndrome
Inguinal hernia
Ureteral stone
Hydrocele
Varicocele
Testicular torsion (Torsion of the appendix testicle or appendix epididymis)
Torsion of the spermatic cord
Idiopathic scrotal edema
Fornier’s gangrene
Testicular tumor/cancer
Henoch Schonlein purpura
Further Reading
Am Fam Physician. 2013 Dec 15;88(12):835-840. https://www.aafp.org/afp/2013/1215/p835.html
https://www.aafp.org/afp/2009/0401/p583.html
https://www.aafp.org/afp/2013/0615/p844.html