his arm is numb and weak.; soreness; lymph node swelling/Lymph node under armpit swollen; Pain started at site of injection, progressed to clavicle and then up his neck; Pain started at site of injection, progressed to clavicle and then up his neck; Lymph node sore; Arm sore; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 59 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 07Jan2022 09:00 (Lot number: FJJ682) at the age of 59 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Multiple sclerosis", start date: Aug2004 (ongoing), notes: Additional Information for Other Conditions: took 9 months to diagnose. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose Number: 1, Lot Number / Expiry Date: ER2613/unknown, Route, Anatomical Location: left arm, No. of Previous Doses: none), administration date: 24Mar2021, when the patient was 58 years old, for Covid-19 immunization; Bnt162b2 (Dose Number: 2, Lot Number/Expiry Date: EW0151, Anatomical Location: left arm, No. of Previous Doses: one), administration date: 14Apr2021, when the patient was 58 years old, for COVID-19 immunization; Hepatitis b vaccine, administration date: Mar2003, when the patient was 40 years old, reaction(s): "triggered Multiple Sclerosis", "arm, neck and back swollen", "arm, neck and back swollen", "arm, neck and back swollen", "extreme swelling". The following information was reported: PAIN (non-serious) with onset 09Jan2022, outcome "unknown", described as "soreness"; LYMPHADENOPATHY (non-serious) with onset 09Jan2022, outcome "not recovered", described as "lymph node swelling/Lymph node under armpit swollen"; VACCINATION SITE PAIN (non-serious), PAIN (non-serious) all with onset 09Jan2022, outcome "not recovered" and all described as "Pain started at site of injection, progressed to clavicle and then up his neck"; LYMPH NODE PAIN (non-serious) with onset 09Jan2022, outcome "not recovered", described as "Lymph node sore"; HYPOAESTHESIA (non-serious) with onset 10Jan2022, outcome "not recovered", described as "his arm is numb and weak."; PAIN IN EXTREMITY (non-serious) with onset 07Jan2022, outcome "not recovered", described as "Arm sore".  Additional information: Caller asked if there were other reports of similar side effects to know how long these would last and asked for treatment recommendations, should I put ice or other guidance. Caller states the lymph node under his armpit is swollen, describes as half the size of a baseball, then describes as size of a tennis ball, and because of that, he can't bring is arm down, feels like grinding. Caller states his arm is sore, like his arm was punched, and he felt this with the first Covid vaccine as well. Caller states he was fine with his second Covid vaccine. Caller states he spoke with his pharmacist and was told the lymph node swelling was a rare side effect to the vaccine. Caller asks will he need an EpiPen. Caller states he has numbness in arm and fingers, specifically the ring and pinkie finger, and the back of arm, near the ulnar nerve. The facility where the most recent COVID-19 vaccine was administered is pharmacy.  No follow-up attempts are possible. No further information is expected.