Orchitis (orchitis) is usually caused by bacteria and viruses. Bacterial infections rarely occur in the testes themselves, which are more resistant to bacterial infections due to their rich supply of blood and lymphatic fluid. The common pathogenic bacteria are staphylococcus, streptococcus, and E. coli. Viruses can directly invade the testes, the most common being mumps virus, a pathogen that mainly invades the parotid glands of children and causes loudmouth disease; however, this virus also has a penchant for invading the testes, so that viral orchitis often develops shortly after the onset of mumps. What diagnosis is required for any testicular infection that causes infiltration of the testes? A. Diagnosis of symptoms of orchitis 1. High fever, chills, testicular pain radiating to the groin, accompanied by nausea and vomiting in the acute phase of orchitis. 2, testicular inflammation mostly occurs 3-4 days after the onset of mumps, high fever up to 40 ℃ often accompanied by deficiency, scrotal redness, testicular enlargement, syringomyelia, obvious pressure pain, such as mumps sex can also be found in the parotid gland enlargement. The diagnosis of orchitis is based on 1, high fever, chills, testicular pain. 2, local scrotal redness and swelling, testicular enlargement. 3, elevated white blood cells. The danger of orchitis is great. Patients with orchitis will also experience testicular pain and radiation to the groin, with a distinct feeling of falling, and accompanied by high fever, nausea, vomiting, which seriously affects work and life. Therefore, if you have symptoms of testicular infection must remember to promptly check and early treatment, otherwise it will lead to the aggravation of the disease, serious will lead to infertility.