like a mosquito bite ball; blow up and expressed through her shoulder and progressed from there; Swelling was like a palm of the hand; inside turned white with a red ring around, mentioned it was really weird; some times turn hot again; arm still hurt; pain in her face, neck was horrible; pain in her face, neck was horrible; worse part was that her face blow up so red so swelling; worse part was that her face blow up so red so swelling; felt burning inside her throat; arm is still swollen and red; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of PERIPHERAL SWELLING (arm is still swollen and red), URTICARIA (like a mosquito bite ball), MUSCULOSKELETAL DISCOMFORT (blow up and expressed through her shoulder and progressed from there), PERIPHERAL SWELLING (Swelling was like a palm of the hand) and INJECTION SITE DISCOLOURATION (inside turned white with a red ring around, mentioned it was really weird) in a 66-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 039K20A) for an unknown indication. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Sjogren's syndrome. Concomitant products included DOXYCYCLINE, ACETYLSALICYLIC ACID (BABY ASPIRIN), LORATADINE, PSEUDOEPHEDRINE HYDROCHLORIDE (BENADRYL 24 D) and PREDNISOLONE.    On 10-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 10-Jan-2021, the patient experienced PERIPHERAL SWELLING (arm is still swollen and red). On an unknown date, the patient experienced URTICARIA (like a mosquito bite ball), MUSCULOSKELETAL DISCOMFORT (blow up and expressed through her shoulder and progressed from there), PERIPHERAL SWELLING (Swelling was like a palm of the hand), INJECTION SITE DISCOLOURATION (inside turned white with a red ring around, mentioned it was really weird), INJECTION SITE WARMTH (some times turn hot again), PAIN IN EXTREMITY (arm still hurt), FACIAL PAIN (pain in her face, neck was horrible), NECK PAIN (pain in her face, neck was horrible), SWELLING FACE (worse part was that her face blow up so red so swelling), ERYTHEMA (worse part was that her face blow up so red so swelling) and THROAT IRRITATION (felt burning inside her throat). At the time of the report, PERIPHERAL SWELLING (arm is still swollen and red), URTICARIA (like a mosquito bite ball), MUSCULOSKELETAL DISCOMFORT (blow up and expressed through her shoulder and progressed from there), PERIPHERAL SWELLING (Swelling was like a palm of the hand), INJECTION SITE DISCOLOURATION (inside turned white with a red ring around, mentioned it was really weird), INJECTION SITE WARMTH (some times turn hot again), PAIN IN EXTREMITY (arm still hurt), FACIAL PAIN (pain in her face, neck was horrible), NECK PAIN (pain in her face, neck was horrible), SWELLING FACE (worse part was that her face blow up so red so swelling), ERYTHEMA (worse part was that her face blow up so red so swelling) and THROAT IRRITATION (felt burning inside her throat) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Reporter did not allow further contact