Patient could not bend joint between leg and foot/ could not put weight on foot; It was swollen and bruised where the swelling was; It was swollen and bruised where the swelling was; Patient could not bend the joint between where the leg and foot meet/the joint did not work at all, it was excruciating/ it came on pretty suddenly; Joint pain/the joint did not work at all, it was excruciating; Fatigue; Headache; bone crushing joint pain on her left foot, pretty excruciating; This spontaneous case was reported by an other health care professional and describes the occurrence of LIMB DISCOMFORT (Patient could not bend joint between leg and foot/ could not put weight on foot), CONTUSION (It was swollen and bruised where the swelling was), PERIPHERAL SWELLING (It was swollen and bruised where the swelling was), MUSCULOSKELETAL DISCOMFORT (Patient could not bend the joint between where the leg and foot meet/the joint did not work at all, it was excruciating/ it came on pretty suddenly) and ARTHRALGIA (Joint pain/the joint did not work at all, it was excruciating) in a 62-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 056M21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Previously administered products included for Product used for unknown indication: Pfizer COVID-19 (Patient's previous doses were all pfizer). Past adverse reactions to the above products included No adverse event with Pfizer COVID-19.    On 22-Apr-2022 at 12:40 PM, the patient received fourth dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In April 2022, the patient experienced LIMB DISCOMFORT (Patient could not bend joint between leg and foot/ could not put weight on foot), CONTUSION (It was swollen and bruised where the swelling was), PERIPHERAL SWELLING (It was swollen and bruised where the swelling was), MUSCULOSKELETAL DISCOMFORT (Patient could not bend the joint between where the leg and foot meet/the joint did not work at all, it was excruciating/ it came on pretty suddenly), ARTHRALGIA (Joint pain/the joint did not work at all, it was excruciating), FATIGUE (Fatigue), HEADACHE (Headache) and PAIN IN EXTREMITY (bone crushing joint pain on her left foot, pretty excruciating). The patient was treated with PARACETAMOL (TYLENOL [PARACETAMOL]) at an unspecified dose and frequency. At the time of the report, LIMB DISCOMFORT (Patient could not bend joint between leg and foot/ could not put weight on foot), CONTUSION (It was swollen and bruised where the swelling was), PERIPHERAL SWELLING (It was swollen and bruised where the swelling was), MUSCULOSKELETAL DISCOMFORT (Patient could not bend the joint between where the leg and foot meet/the joint did not work at all, it was excruciating/ it came on pretty suddenly), ARTHRALGIA (Joint pain/the joint did not work at all, it was excruciating) and PAIN IN EXTREMITY (bone crushing joint pain on her left foot, pretty excruciating) had resolved and FATIGUE (Fatigue) and HEADACHE (Headache) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   No concomitant medication information provided.  It was reported that about 32 hours later after the vaccine, she suddenly felt like a huge piece of machinery stomped on the top of her left foot. She elevated her foot, and about a half hour later she went upstairs, she realized she could not put any weight on her foot and she reports it was swollen and bruised. She put ice on it, fell asleep, and when she woke up the swelling was totally gone, and no pain.