Severe Covid-19 vaccine reaction; hives breaking out on his face; rash on rest of his body; itchiness; . This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of VACCINATION COMPLICATION (Severe Covid-19 vaccine reaction), URTICARIA (hives breaking out on his face), RASH (rash on rest of his body) and PRURITUS (itchiness) in a male patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 011J20A) for COVID-19 vaccination.     No Medical History Information was reported.  Concomitant products included CETIRIZINE HYDROCHLORIDE (ZYRTEC [CETIRIZINE HYDROCHLORIDE]), MONTELUKAST SODIUM (SINGULAIR) and FEXOFENADINE HYDROCHLORIDE (ALLEGRA) for an unknown indication.    On 31-Dec-2020, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On an unknown date, the patient experienced VACCINATION COMPLICATION (Severe Covid-19 vaccine reaction), URTICARIA (hives breaking out on his face), RASH (rash on rest of his body) and PRURITUS (itchiness). The patient was treated with PREDNISONE for Adverse event, at a dose of 10 mg and METHYLPREDNISOLONE for Adverse event, at an unspecified dose and frequency. At the time of the report, VACCINATION COMPLICATION (Severe Covid-19 vaccine reaction), URTICARIA (hives breaking out on his face), RASH (rash on rest of his body) and PRURITUS (itchiness) outcome was unknown. Not Provided      The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Patient went to Urgent care after 2 or 3 days after the events. Patient was prescribed Prednisone.   Then, Patient went to his primary care provider (PCP). Patient was prescribed Methylprednisolone and was informed to see any differences in 48-72 hours.   Patient followed up with PCP again and as prescribed Prednisone 10 mg on a tapering schedule. Patient was also referred to see Allergist. This case was received via an unknown source (no reference has been entered for a health authority or license partner) on 29-Jan-2021 and was forwarded to Moderna on 03-Feb-2021.    . This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of VACCINATION COMPLICATION (Severe Covid-19 vaccine reaction), URTICARIA (hives breaking out on his face), RASH (rash on rest of his body) and PRURITUS (itchiness) in a male patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 011J20A) for COVID-19 vaccination.     No Medical History Information was reported.  Concomitant products included CETIRIZINE HYDROCHLORIDE (ZYRTEC [CETIRIZINE HYDROCHLORIDE]), MONTELUKAST SODIUM (SINGULAIR) and FEXOFENADINE HYDROCHLORIDE (ALLEGRA) for an unknown indication.    On 31-Dec-2020, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On an unknown date, the patient experienced VACCINATION COMPLICATION (Severe Covid-19 vaccine reaction), URTICARIA (hives breaking out on his face), RASH (rash on rest of his body) and PRURITUS (itchiness). The patient was treated with PREDNISONE for Adverse event, at a dose of 10 mg and METHYLPREDNISOLONE for Adverse event, at an unspecified dose and frequency. At the time of the report, VACCINATION COMPLICATION (Severe Covid-19 vaccine reaction), URTICARIA (hives breaking out on his face), RASH (rash on rest of his body) and PRURITUS (itchiness) outcome was unknown. Not Provided      The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Patient went to Urgent care after 2 or 3 days after the events. Patient was prescribed Prednisone.   Then, Patient went to his primary care provider (PCP). Patient was prescribed Methylprednisolone and was informed to see any differences in 48-72 hours.   Patient followed up with PCP again and as prescribed Prednisone 10 mg on a tapering schedule. Patient was also referred to see Allergist.