The cause of pain in the left testicle may be due to inflammation of the testicle. If you experience testicular pain, you need to visit the urology department of a regular hospital. Ultrasound tests of the testicles and epididymis area are often performed, and the diagnosis can be confirmed through ultrasound tests. If testicular pain is caused by orchitis, oral medication is usually the main treatment, including traditional Chinese medicine and western medicine. The Chinese medicine is mainly chosen to activate blood circulation and relieve pain, commonly used Chinese medicines include Xi Huang capsule, prostate Xin capsule and so on. In addition, you can also use western medicine, for acute orchitis has a very good therapeutic effect, commonly used western medicine are cefdinir capsules, levofloxacin or memantin, the combination of Chinese and Western medicine can help the early relief of pain.