The arm got swollen again; Lost appetite; Even the fingertips were pilled off from being swollen; It got really impressed, it was horrible, got very decompensated; Spend 2 days resting; The pain and also the fever came back; Felt a little bit better and today more animated; Blood pressure lowered; Urticaria on the whole body; Pain in the arm; Arm was warm; First night started to feel uncomfortable; Extremities were swollen; Couldn't lift the arm; Lots of head aches; Chills; Nausea; This spontaneous case was reported by a consumer and describes the occurrence of BLOOD PRESSURE DECREASED (Blood pressure lowered), URTICARIA (Urticaria on the whole body), PAIN IN EXTREMITY (Pain in the arm), FEELING HOT (Arm was warm) and FEELING ABNORMAL (First night started to feel uncomfortable) in a 46-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 46B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 13-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 13-Apr-2021, the patient experienced BLOOD PRESSURE DECREASED (Blood pressure lowered), URTICARIA (Urticaria on the whole body), PAIN IN EXTREMITY (Pain in the arm), FEELING HOT (Arm was warm), FEELING ABNORMAL (First night started to feel uncomfortable), SWELLING (Extremities were swollen), LIMB DISCOMFORT (Couldn't lift the arm), HEADACHE (Lots of head aches), CHILLS (Chills) and NAUSEA (Nausea). On 25-Apr-2021, the patient experienced FEELING OF RELAXATION (Felt a little bit better and today more animated). On an unknown date, the patient experienced PERIPHERAL SWELLING (The arm got swollen again), DECREASED APPETITE (Lost appetite), SKIN EXFOLIATION (Even the fingertips were pilled off from being swollen), FEELING ABNORMAL (It got really impressed, it was horrible, got very decompensated), FEELING OF RELAXATION (Spend 2 days resting) and PYREXIA (The pain and also the fever came back). The patient was treated with ACETAMINOPHEN for Adverse event, at an unspecified dose and frequency and IBUPROFEN for Adverse event, at an unspecified dose and frequency. At the time of the report, BLOOD PRESSURE DECREASED (Blood pressure lowered), URTICARIA (Urticaria on the whole body), PAIN IN EXTREMITY (Pain in the arm), FEELING HOT (Arm was warm), FEELING ABNORMAL (First night started to feel uncomfortable), PERIPHERAL SWELLING (The arm got swollen again), DECREASED APPETITE (Lost appetite), SKIN EXFOLIATION (Even the fingertips were pilled off from being swollen), FEELING OF RELAXATION (Felt a little bit better and today more animated), FEELING ABNORMAL (It got really impressed, it was horrible, got very decompensated), FEELING OF RELAXATION (Spend 2 days resting), SWELLING (Extremities were swollen), LIMB DISCOMFORT (Couldn't lift the arm), HEADACHE (Lots of head aches), CHILLS (Chills), NAUSEA (Nausea) and PYREXIA (The pain and also the fever came back) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       No relevant concomitant medications were reported. Treatment also included steroids.