Back pain on the right side of the back may be caused by back fasciitis, gallbladder disease, herpes zoster and so on. 1. Fasciitis: long-term work, lack of exercise can lead to back fasciitis, patients may also appear local muscle tension and weakness, dyskinesia, muscle spasm, skin numbness and other manifestations. 2. Gallbladder disease: pain caused by gallbladder disease often radiates to the back of the right shoulder, which is a common symptom of visceral neuralgia, cholecystitis, gallstones patients can appear this performance. 3. Herpes zoster: Herpes zoster is a disease that occurs after the reactivation of varicella zoster virus latent in the nerve roots. If the virus is latent in the spinal nerve roots of the back, the symptom of pain on the right side of the back can appear at the onset of the disease, and as the disease develops, it will gradually develop from the back along the intercostal nerves to the chest. If the symptoms of right-sided back pain persist, it is important to consult a doctor to find out the cause of the pain and provide targeted treatment.