Arm was sore; Caller has some tension in the neck, and it's been a littler worse over the last few days; he was feeling weakness in his left arm where he got the shot; feeling a tingling in their right foot; Their shoulder the next day was still hurting from the shot.; This spontaneous case was reported by a patient and describes the occurrence of PAIN IN EXTREMITY (Arm was sore), MUSCULOSKELETAL DISCOMFORT (Caller has some tension in the neck, and it's been a littler worse over the last few days), MUSCULAR WEAKNESS (he was feeling weakness in his left arm where he got the shot), PARAESTHESIA (feeling a tingling in their right foot) and ARTHRALGIA (Their shoulder the next day was still hurting from the shot.) in a 69-year-old male patient who received mRNA-1273.815 (SPIKEVAX 2023-2024) (batch no. AU3919B) for COVID-19 prophylaxis.     Patient had no known allergies.  The patient's past medical history included Neck pain. Previously administered products included for Product used for unknown indication: Flu vaccine (Flu vaccine) on 29-Sep-2023, RSV on 29-Sep-2023, Pfizer (Dose 3), Pfizer (Dose 4), Pfizer (Dose 5), Pfizer (Dose 1) and Pfizer (Dose 2). Past adverse reactions to the above products included No adverse reaction with Flu vaccine, Pfizer, Pfizer, Pfizer, Pfizer, Pfizer and RSV. Concurrent medical conditions included Blood pressure high and Psoriasis (takes Methotrexate for psoriasis weekly). Concomitant products included SIMVASTATIN for Blood cholesterol abnormal, METHOTREXATE for Psoriasis, BUPROPION and ATENOLOL for an unknown indication.    On 17-Oct-2023, the patient received sixth dose of mRNA-1273.815 (SPIKEVAX 2023-2024) (unknown route) .5 milliliter. On 17-Oct-2023, the patient experienced PAIN IN EXTREMITY (Arm was sore), MUSCULOSKELETAL DISCOMFORT (Caller has some tension in the neck, and it's been a littler worse over the last few days), MUSCULAR WEAKNESS (he was feeling weakness in his left arm where he got the shot), PARAESTHESIA (feeling a tingling in their right foot) and ARTHRALGIA (Their shoulder the next day was still hurting from the shot.). The patient was treated with NAPROXEN SODIUM (ALEVE) at an unspecified dose and frequency and PARACETAMOL (TYLENOL) at a dose of UNK, little. At the time of the report, PAIN IN EXTREMITY (Arm was sore), MUSCULOSKELETAL DISCOMFORT (Caller has some tension in the neck, and it's been a littler worse over the last few days), MUSCULAR WEAKNESS (he was feeling weakness in his left arm where he got the shot) and PARAESTHESIA (feeling a tingling in their right foot) was resolving and ARTHRALGIA (Their shoulder the next day was still hurting from the shot.) outcome was unknown.        For mRNA-1273.815 (SPIKEVAX 2023-2024) (Unknown), the reporter did not provide any causality assessments.   Current condition included cholesterol for which patient was taking Simvastatin in the evening.  Concomitant medication also included Allergy pill.  On 17 OCT 2023 night patient started feeling a tingling in their right foot. Felt like a faint vibrator, it would be cyclic, would come on and off for a few seconds and lasted half an hour. He would move around and it would go away. It continued the next day off and on and occurred maybe 3 or 4 times through the day, intermittent. Patient started taking some Aleve. The next day his shoulder was still hurting from the shot. Nothing unusual or out of the ordinary with getting the vaccine. Arm was sore and they took a little Tylenol. Patient stated it was getting better and was less frequent but still occurring. Patient reported it started up again on the day of reporting when they got up. He worked nights. It was mainly in the little toe and second to little toe on that side of the foot. Patient was worrying if that was a nerve thing that he had a sore neck was before the vaccine. patient had a neck fusion done back in Oct 2022. Patient had some tension in the neck, and it was worse a little over the last few days.  Patient was feeling weakness in his left arm where he got the shot, he noticed it because usually when doing exercise his left arm was stronger and when doing things like pulling rubber band now he was feeling the same type of weakness or similar that what he felt after a surgery he had in the right side due to a nerve that was inflamed and he needed physical therapy.