Diagnosed with complex regional pain syndrome , had pretty severe arm pain into my wrist and underarm for three days , my injection site is still tender over 2 weeks later. As time progressed I got sever body and joint pain; Diagnosed with complex regional pain syndrome and fibromyalgia; This spontaneous case was reported by a consumer and describes the occurrence of COMPLEX REGIONAL PAIN SYNDROME (Diagnosed with complex regional pain syndrome , had pretty severe arm pain into my wrist and underarm for three days , my injection site is still tender over 2 weeks later. As time progressed I got sever body and joint pain) and FIBROMYALGIA (Diagnosed with complex regional pain syndrome and fibromyalgia) in a  patient of an unknown age and gender who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination.     No Medical History information was reported.    On an unknown date, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced COMPLEX REGIONAL PAIN SYNDROME (Diagnosed with complex regional pain syndrome , had pretty severe arm pain into my wrist and underarm for three days , my injection site is still tender over 2 weeks later. As time progressed I got sever body and joint pain) and FIBROMYALGIA (Diagnosed with complex regional pain syndrome and fibromyalgia). The patient was treated with PARACETAMOL (TYLENOL) for Pain, at an unspecified dose and frequency. At the time of the report, COMPLEX REGIONAL PAIN SYNDROME (Diagnosed with complex regional pain syndrome , had pretty severe arm pain into my wrist and underarm for three days , my injection site is still tender over 2 weeks later. As time progressed I got sever body and joint pain) and FIBROMYALGIA (Diagnosed with complex regional pain syndrome and fibromyalgia) had not resolved.            Batch number of the suspect product is unknown. Action taken of suspect product is not applicable. reporter's causality is not provided. Concomitant information was not provided.  It was reported that patient was experienced severe arm pain in wrist and under arm for three days and injection site is still tender over 3 weeks later. As time progressed that patient got severe body and joint pain. The patient could barely stand and walk and was worse on the right side opposite from shot side and that was continued for 7 days. Patients spine, shoulder ,hips  ache like a toothache at about a 7 to 8 pain level. The patient was diagnosed with regional pain syndrome and fibromyalgia.  Patient took opioids as treatment medication for pain apart from Tylenol.; Sender's Comments: This is a case of a patient of an unknown age and gender  with no medical history provided, who experienced non serious unexpected events of complex regional pain syndrome and fibromyalgia The events developed after the patient had received the third dose of Moderna COVID-19 Vaccine, however, the exact temporal relationship was not specified, having in mind that the exact dates were not provided. The patient had symptoms of severe arm pain in wrist and under arm for three days, and the injection site was still tender over 2 weeks later. As time progressed that patient got severe body and joint pain, could barely stand and walk, and the patient's spine, shoulder and hips ache like a toothache at about a 7 to 8 pain level. The final diagnosis was complex regional pain syndrome and fibromyalgia. The event did not resolve at the time of the report. The rechallenge is considered not applicable, as the events occurred after the third dose. The benefit-risk relationship of Moderna COVID-19 vaccine is not affected by this report.