it's making his entire arm hurt. It happened exactly 7 days after the shot.; on the same arm of his shot, his elbow swelled up and started in the middle of the night; It was red. It hurt, but it didn't have inflammation in it / down to where his elbow is and all the way around it; It looked like it had fluid in it and it kept getting bigger; It was red. It hurt, but it didn't have inflammation in it / down to where his elbow is and all the way around it; it turned brown after a few days; it felt cold to the touch, not hot; This spontaneous case was reported by a consumer and describes the occurrence of PERIPHERAL COLDNESS (it felt cold to the touch, not hot), JOINT SWELLING (on the same arm of his shot, his elbow swelled up and started in the middle of the night), PAIN IN EXTREMITY (it's making his entire arm hurt. It happened exactly 7 days after the shot.), ERYTHEMA (It was red. It hurt, but it didn't have inflammation in it / down to where his elbow is and all the way around it) and SKIN DISCOLOURATION (it turned brown after a few days) in a 35-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 040C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 07-Aug-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 14-Aug-2021, the patient experienced JOINT SWELLING (on the same arm of his shot, his elbow swelled up and started in the middle of the night), PAIN IN EXTREMITY (it's making his entire arm hurt. It happened exactly 7 days after the shot.), ERYTHEMA (It was red. It hurt, but it didn't have inflammation in it / down to where his elbow is and all the way around it), OEDEMA PERIPHERAL (It looked like it had fluid in it and it kept getting bigger) and ARTHRALGIA (It was red. It hurt, but it didn't have inflammation in it / down to where his elbow is and all the way around it). In August 2021, the patient experienced PERIPHERAL COLDNESS (it felt cold to the touch, not hot) and SKIN DISCOLOURATION (it turned brown after a few days). The patient was treated with IBUPROFEN in August 2021 for Pain in extremity, at an unspecified dose and frequency and MENTHOL (BIOFREEZE PAIN RELIEVING) in August 2021 for Pain in extremity, at an unspecified dose and frequency. At the time of the report, PERIPHERAL COLDNESS (it felt cold to the touch, not hot), JOINT SWELLING (on the same arm of his shot, his elbow swelled up and started in the middle of the night), ERYTHEMA (It was red. It hurt, but it didn't have inflammation in it / down to where his elbow is and all the way around it), SKIN DISCOLOURATION (it turned brown after a few days), OEDEMA PERIPHERAL (It looked like it had fluid in it and it kept getting bigger) and ARTHRALGIA (It was red. It hurt, but it didn't have inflammation in it / down to where his elbow is and all the way around it) was resolving and PAIN IN EXTREMITY (it's making his entire arm hurt. It happened exactly 7 days after the shot.) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       No concomitant medication details were provided.