he gets a headache and Earache; he gets a headache and Earache; the right elbow started being warm to the touch, and very painful.; On Monday 25SEP2023, his right arm was swollen; She thinks it was the vaccine in the left arm that caused the reaction in the right arm; This spontaneous case was reported by a consumer and describes the occurrence of PAIN (the right elbow started being warm to the touch, and very painful.), PERIPHERAL SWELLING (On Monday 25SEP2023, his right arm was swollen), IMMUNISATION REACTION (She thinks it was the vaccine in the left arm that caused the reaction in the right arm), EAR PAIN (he gets a headache and Earache) and HEADACHE (he gets a headache and Earache) in a 72-year-old male patient who received mRNA-1273.815 (SPIKEVAX 2023-2024) (batch no. ASKU) for COVID-19 prophylaxis.     PRN (Has not been taking it).  The patient's past medical history included Sleep apnea (C-PAP). Concurrent medical conditions included Diabetes, Atrial fibrillation, Congestive heart failure and Blood pressure high. Concomitant products included LISINOPRIL, CARVEDILOL, FUROSEMIDE, INSULIN HUMAN INJECTION, ISOPHANE (NOVOLIN N), INSULIN HUMAN (NOVOLIN R), ACETYLSALICYLIC ACID (ASPIRIN [ACETYLSALICYLIC ACID]), ASCORBIC ACID (VITAMIN C [ASCORBIC ACID]), GLUCOSAMINE, MACROGOL 3350 (MIRALAX), SENNOSIDE A+B (SENOKOT), HYDROXYZINE, COLECALCIFEROL (VITAMIN D3) and CYANOCOBALAMIN (VITAMIN B12 [CYANOCOBALAMIN]) for an unknown indication.    On 22-Sep-2023, the patient received sixth dose of mRNA-1273.815 (SPIKEVAX 2023-2024) (unknown route) 1 dosage form. On 25-Sep-2023, the patient experienced PAIN (the right elbow started being warm to the touch, and very painful.), PERIPHERAL SWELLING (On Monday 25SEP2023, his right arm was swollen) and IMMUNISATION REACTION (She thinks it was the vaccine in the left arm that caused the reaction in the right arm). On an unknown date, the patient experienced EAR PAIN (he gets a headache and Earache) and HEADACHE (he gets a headache and Earache). At the time of the report, PAIN (the right elbow started being warm to the touch, and very painful.), PERIPHERAL SWELLING (On Monday 25SEP2023, his right arm was swollen) and IMMUNISATION REACTION (She thinks it was the vaccine in the left arm that caused the reaction in the right arm) had not resolved and EAR PAIN (he gets a headache and Earache) and HEADACHE (he gets a headache and Earache) outcome was unknown.        For mRNA-1273.815 (SPIKEVAX 2023-2024) (Unknown), the reporter did not provide any causality assessments.   Concomitant medication included Tart Cherry Extract. The reaction was still going on. On Tuesday afternoon, 26-SEP-2023, he saw the doctor. They did Uric Acid levels and it was normal. He did not have Gout. The doctor prescribed Prednisone tapered therapy.  The doctor checked him for any breakage on skin, any kind of bites, and nothing was there. She was asking, Will that reduce the efficacy of the vaccine? She stated with previous Moderna Vaccines, her husband had only body aches, headache, and earache. Inadvertently she reported that with previous vaccines, they cannot be sure if her husband's arm reaction was vaccine related. She thought it was the vaccine in the left arm that caused the reaction in the right arm, because she can not think of anything else new that occurred to him. She stated, He didn't bang his arm. He didn't bruise his arm. She stated "they both have had Satisfaction vaccination in the past. he got a headache and Earache. They had never had anything like this happen." She stated that she called CDC and reported to VAERS already.   This case was linked to US-MODERNATX, INC.-MOD-2023-742520, US-MODERNATX, INC.-MOD-2023-742539, US-MODERNATX, INC.-MOD-2023-742540.   Reporter did not allow further contact; Sender's Comments:  US-MODERNATX, INC.-MOD-2023-742520:Wife Case US-MODERNATX, INC.-MOD-2023-742539:Movalent Dose US-MODERNATX, INC.-MOD-2023-742540:Bivalent Dose