Joint pain became so overwhelming; 2 weeks in bed; Hands swollen every morning; Had problem walking; This spontaneous case was reported by a consumer and describes the occurrence of ARTHRALGIA (Joint pain became so overwhelming), BEDRIDDEN (2 weeks in bed), PERIPHERAL SWELLING (Hands swollen every morning) and GAIT DISTURBANCE (Had problem walking) in a 65-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 021B21A and 011A21A) for COVID-19 vaccination.     Concurrent medical conditions included Blood pressure high and Prostatic disorder NOS.   On 04-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 01-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. In April 2021, the patient experienced ARTHRALGIA (Joint pain became so overwhelming), BEDRIDDEN (2 weeks in bed), PERIPHERAL SWELLING (Hands swollen every morning) and GAIT DISTURBANCE (Had problem walking). In April 2021, BEDRIDDEN (2 weeks in bed) had resolved. At the time of the report, ARTHRALGIA (Joint pain became so overwhelming) and GAIT DISTURBANCE (Had problem walking) was resolving and PERIPHERAL SWELLING (Hands swollen every morning) had not resolved.     At the time of the vaccination, the patient was under a high blood pressure medication and a prostate medication.Treatment information was not provided.  Vaccine was administered in the upper left arm.  The reporter's father had joint pain ever since the first vaccine but post the second vaccination, the pain became so overwhelming that he was in bed for 2 weeks and had problem walking. At the time of reporting, his condition had improved significantly and he was able to walk with some discomfort. He never had symptoms like this and was in good health before the vaccination.  Company Comment - This case concerns a 65 year old male with relevant medical history of hypertension and prostate disorder, who experienced non-serious , unexpected events of Arthralgia , Bedridden , Gait disturbance and peripheral swelling  which occurred on an unknown period after vaccination with the 2nd dose of mRNA-1273 vaccine ( Moderna Covid 19 Vaccine ) . The re-challenge for this case is not applicable since the events occurred during the 2nd dose and no additional doses will be administered and also the events were reported to have not resolved. The age of the patient can be considered as a confounder for this case , ( aging process affects the bones and may manifest as joint pains and possible gait disturbances ) The benefit -risk relationship of mRNA -1273 ( Moderna Covid 19 Vaccine) is not affected by this report.   This case was linked to MOD-2021-387036 (Patient Link).; Sender's Comments: This case concerns a 65 year old male with relevant medical history of hypertension and prostate disorder, who experienced non-serious , unexpected events of Arthralgia , Bedridden , Gait disturbance and peripheral swelling  which occurred on an unknown period after vaccination with the 2nd dose of mRNA-1273 vaccine ( Moderna Covid 19 Vaccine ) . The re-challenge for this case is not applicable since the events occurred during the 2nd dose and no additional doses will be administered and also the events were reported to have not resolved. The age of the patient can be considered as a confounder for this case , ( aging process affects the bones and may manifest as joint pains and possible gait disturbances ) The benefit -risk relationship of mRNA -1273 ( Moderna Covid 19 Vaccine) is not affected by this report.