The whole arm is hurting today; tendonitis; Right arm is slightly swollen; patient was covered in blotches and bruises, all the way up and down their arm; patient was all screwed up from their shoulder to their left and right fingertip; patient was covered in blotches and bruises, all the way up and down their arm; This spontaneous case was reported by a patient and describes the occurrence of PAIN IN EXTREMITY (The whole arm is hurting today), TENDONITIS (tendonitis), PERIPHERAL SWELLING (Right arm is slightly swollen), CONTUSION (patient was covered in blotches and bruises, all the way up and down their arm) and IMMUNISATION REACTION (patient was all screwed up from their shoulder to their left and right fingertip) in a 77-year-old male patient who received mRNA-1273.815 (SPIKEVAX 2023-2024) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     Patient had no known allergies.  The patient's past medical history included Stroke (Patient had a stroke 5 years ago.) in 2018 and COVID-19 (Patient stopped taking the Moderna vaccines because they caught Covid 13-Aug-2022 3 days after being exposed) on 13-Aug-2022. Previously administered products included for COVID-19: Paxlovid (They each took Paxlovid and it was that good.). Past adverse reactions to the above products included No adverse event with Paxlovid. Concomitant products included CLOPIDOGREL BISULFATE (PLAVIX) for Prophylaxis, AMLODIPINE, CLOPIDOGREL and ATORVASTATIN for Stroke, INFLUENZA VACCINE for an unknown indication.    On 02-Nov-2023, the patient received fourth dose of mRNA-1273.815 (SPIKEVAX 2023-2024) (unknown route) 1 dosage form. In November 2023, the patient experienced PAIN IN EXTREMITY (The whole arm is hurting today), TENDONITIS (tendonitis), PERIPHERAL SWELLING (Right arm is slightly swollen), CONTUSION (patient was covered in blotches and bruises, all the way up and down their arm), IMMUNISATION REACTION (patient was all screwed up from their shoulder to their left and right fingertip) and RASH MACULAR (patient was covered in blotches and bruises, all the way up and down their arm). The patient was treated with BACLOFEN at a dose of 10 milligram and NABUMETONE at a dose of 750 milligram twice a day. At the time of the report, PAIN IN EXTREMITY (The whole arm is hurting today) had not resolved and TENDONITIS (tendonitis), PERIPHERAL SWELLING (Right arm is slightly swollen), CONTUSION (patient was covered in blotches and bruises, all the way up and down their arm), IMMUNISATION REACTION (patient was all screwed up from their shoulder to their left and right fingertip) and RASH MACULAR (patient was covered in blotches and bruises, all the way up and down their arm) was resolving.            Patient receives other three vaccine of Moderna previously. It was reported that patient had received other vaccines in the 4 weeks prior to COVID-19 vaccine.  It was reported that Patient was all screwed up from their shoulder to their left and right fingertip. Caller is covered in blotches and bruises, all the way up and down their arm. The reason for that was caller had a stroke 5 years ago. Patient had been using massage, cold and hold and thinks maybe it was the massage therapy that was bruising. Every day it starts to travel to a different extremity. The whole arm was hurting at the time of reporting. Patient did contact the Physician. All of the problems were in the right arm. So maybe it traveled over there or not even related. Physician said it might be tendonitis. Right arm was slightly swollen. Physician gave a medication for pain and muscle relaxer. The medications were giving them relief. The medications work really well. Baclofen 10mg muscle relaxer Nabumetone 750mg twice a day pain.   This case was linked to US-MODERNATX, INC.-MOD-2023-749776 (E2B Linked Report). This case was linked to MOD-2023-749776 (Patient Link).; Sender's Comments:  US-MODERNATX, INC.-MOD-2023-749776:same patient/Different vaccine case