My left shoulder still hurts. It hurts and my left elbow all the way down stretch when I twist it/ my left shoulder, it is my left arm, it goes through all the way down to my arm over to my head; left elbow all the way down stretch when I twist it; Headache/sore area in the left lower part of my head/soreness of back left head; my head is even more swollen/swollen exterior left head; it looks like a typical type of a cervical spine issue. Looks like it might have hit some kind of nerve that runs from your shoulder to your head and down to your left fingers in your left hand; My left shoulder still hurts. It hurts and my left elbow all the way down stretch when I twist it/ my left shoulder, it is my left arm, it goes through all the way down to my arm over to my head; I haven't slept in 2 weeks; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 68-year-old male patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 29Oct2022 as dose number unknown (booster), single (Lot number: GJ6665) at the age of 68 years for covid-19 immunisation. The patient's relevant medical history was not reported. Concomitant medication(s) included: ROSUVASTATIN; CARVEDILOL; LOSARTAN POTASSIUM; FENOFIBRATE; ASPIRIN [ACETYLSALICYLIC ACID]; CLOPIDROGREL; AMLODIPINE. Vaccination history included: Covid-19 vaccine (Primary Immunization series complete; unknown manufacturer), for COVID-19 immunization. The following information was reported: HEADACHE (medically significant) with onset 2022, outcome "unknown", described as "Headache/sore area in the left lower part of my head/soreness of back left head"; INSOMNIA (non-serious) with onset 2022, outcome "unknown", described as "I haven't slept in 2 weeks"; PAIN IN EXTREMITY (medically significant), ARTHRALGIA (medically significant) all with onset 2022, outcome "not recovered" and all described as "My left shoulder still hurts. It hurts and my left elbow all the way down stretch when I twist it/ my left shoulder, it is my left arm, it goes through all the way down to my arm over to my head"; NERVE COMPRESSION (medically significant) with onset 2022, outcome "unknown", described as "it looks like a typical type of a cervical spine issue. Looks like it might have hit some kind of nerve that runs from your shoulder to your head and down to your left fingers in your left hand"; JOINT INJURY (medically significant) with onset 2022, outcome "unknown", described as "left elbow all the way down stretch when I twist it"; SWELLING (medically significant) with onset 2022, outcome "unknown", described as "my head is even more swollen/swollen exterior left head". The events "my left shoulder still hurts. it hurts and my left elbow all the way down stretch when i twist it/ my left shoulder, it is my left arm, it goes through all the way down to my arm over to my head", "left elbow all the way down stretch when i twist it", "headache/sore area in the left lower part of my head/soreness of back left head", "my head is even more swollen/swollen exterior left head", "it looks like a typical type of a cervical spine issue. looks like it might have hit some kind of nerve that runs from your shoulder to your head and down to your left fingers in your left hand" and "I haven't slept in 2 weeks" required physician office visit. Therapeutic measures were taken as a result of pain in extremity, joint injury, headache, swelling, nerve compression, arthralgia.  Clinical course: It was stated, "he have side effects from Pfizer Booster vaccine he was given on 29Oct." Stated, "His left shoulder still hurts. It hurts and his left elbow all the way down stretch when he twist it. he haven't slept in 2 weeks. He have a little sore area in the left lower part of his head. He woke up today and now his head, the back of his left side, his head was even more swollen. He went to his primary care doctor. He tried to go to a neurologist but then it looks like a typical type of a cervical spine issue. Looks like it might have hit some kind of nerve that runs from your shoulder to your head and down to your left fingers in your left hand." Stated, "he didn't just say elbow, his left shoulder, it was his left arm, it goes through all the way down to his arm over to his head, headache, swollen exterior left head, soreness of back left head, occipital cervical spine nerve, what the physician said." On confirming if the consumer only wants to report or needs any information, Other medical conditions and concomitant medications: stated, "Well, he take medications. No prior vaccinations within 4 weeks." Treatment in response to adverse event: stated, "he had a shot. He said it wasn't, it was Cortisone like but he said it wasn't Cortisone, into his C6 area of his neck, his primary care physician, Friday morning."  No follow-up attempts are needed. No further information is expected