Severe/extreme trapezoid muscle pain, neck, and right shoulder; Severe/extreme trapezoid muscle pain, neck, and right shoulder; Severe/extreme trapezoid muscle pain, neck, and right shoulder; muscle spasm; intermittant shooting pain down right arm, inability to turn head to left without severe pain, inability to move head to look up without severe pain, muscle weakness and heaviness in right arm; intermittant shooting pain down right arm, inability to turn head to left without severe pain, inability to move head to look up without severe pain, muscle weakness and heaviness in right arm; intermittant shooting pain down right arm, inability to turn head to left without severe pain, inability to move head to look up without severe pain, muscle weakness and heaviness in right arm; limited arm movement without pain accompanied with profuse sweating and nausea; limited arm movement without pain accompanied with profuse sweating and nausea; limited arm movement without pain accompanied with profuse sweating and nausea; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 61-year-old female patient (not pregnant) received bnt162b2 omi xbb.1.5 (COMIRNATY (2023-2024 FORMULA)), on 22Sep2023 at 17:00 as dose 1, single (Lot number: HG4629) at the age of 61 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "Hashimoto's disease" (unspecified if ongoing); "COVID-19" (unspecified if ongoing), notes: If covid prior vaccination: Yes. Concomitant medication(s) included: VYVANSE; SYNTHROID; AMLODIPINE BESYLATE. The following information was reported: MYALGIA (non-serious), NECK PAIN (non-serious), ARTHRALGIA (non-serious) all with onset 23Sep2023 at 02:00, outcome "unknown" and all described as "Severe/extreme trapezoid muscle pain, neck, and right shoulder"; PAIN (non-serious), MUSCULAR WEAKNESS (non-serious), LIMB DISCOMFORT (non-serious) all with onset 23Sep2023 at 02:00, outcome "unknown" and all described as "intermittant shooting pain down right arm, inability to turn head to left without severe pain, inability to move head to look up without severe pain, muscle weakness and heaviness in right arm"; MOVEMENT DISORDER (non-serious), HYPERHIDROSIS (non-serious), NAUSEA (non-serious) all with onset 23Sep2023 at 02:00, outcome "unknown" and all described as "limited arm movement without pain accompanied with profuse sweating and nausea"; MUSCLE SPASMS (non-serious) with onset 23Sep2023 at 02:00, outcome "unknown", described as "muscle spasm". The events "severe/extreme trapezoid muscle pain, neck, and right shoulder", "muscle spasm", "intermittant shooting pain down right arm, inability to turn head to left without severe pain, inability to move head to look up without severe pain, muscle weakness and heaviness in right arm" and "limited arm movement without pain accompanied with profuse sweating and nausea" required physician office visit. Therapeutic measures were taken as a result of myalgia, neck pain, arthralgia, muscle spasms, pain, muscular weakness, limb discomfort, movement disorder, hyperhidrosis, nausea.  Additional information: Severe/extreme trapezoid muscle pain, neck, and right shoulder, muscle spasm, intermittent shooting pain down right arm, inability to turn head to left without severe pain, inability to move head to look up without severe pain, muscle weakness and heaviness in right arm, limited arm movement without pain accompanied with profuse sweating and nausea. The adverse events resulted in doctor visit. Ae treatment: prednisone and tizanidine. No covid tested post vaccination. No Known allergies.