Swollen lips; Swollen eyes; Swollen face; Throat was swelling up; Really bad to the point that my throat almost closed up; One of the hives is like blistering / pain, itchy, really, really uncomfortable; Woke up covered in hives head to toes/hives from scalp to my feet and around my waist, stomach, face, everywhere/ Every single day, hives in different spots, sometimes disappeared and sometimes show up in different areas/is getting worst overtime; This spontaneous case was reported by a consumer and describes the occurrence of LIP SWELLING (Swollen lips), EYE SWELLING (Swollen eyes), SWELLING FACE (Swollen face), PHARYNGEAL SWELLING (Throat was swelling up) and OROPHARYNGEAL DISCOMFORT (Really bad to the point that my throat almost closed up) in a 25-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 037B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concomitant products included CETIRIZINE HYDROCHLORIDE (ZYRTEC [CETIRIZINE HYDROCHLORIDE]), ETHINYLESTRADIOL, NORGESTIMATE (TRI-SPRINTEC), MULTIVITAMIN [VITAMINS NOS] and CALCIUM PANTOTHENATE (VITAMIN B5 [CALCIUM PANTOTHENATE]) for an unknown indication.    On 09-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 19-Apr-2021, the patient experienced URTICARIA (Woke up covered in hives head to toes/hives from scalp to my feet and around my waist, stomach, face, everywhere/ Every single day, hives in different spots, sometimes disappeared and sometimes show up in different areas/is getting worst overtime). On an unknown date, the patient experienced LIP SWELLING (Swollen lips), EYE SWELLING (Swollen eyes), SWELLING FACE (Swollen face), PHARYNGEAL SWELLING (Throat was swelling up), OROPHARYNGEAL DISCOMFORT (Really bad to the point that my throat almost closed up) and BLISTER (One of the hives is like blistering / pain, itchy, really, really uncomfortable). The patient was treated with CETIRIZINE HYDROCHLORIDE (ZYRTEC [CETIRIZINE HYDROCHLORIDE]) on 25-Apr-2021 at a dose of 1 dosage form; DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) at a dose of 1 dosage form; FEXOFENADINE HYDROCHLORIDE (ALLEGRA) at a dose of 1 dosage form twice a day; FAMOTIDINE (PEPCID [FAMOTIDINE]) at a dose of 1 dosage form once a day; MONTELUKAST SODIUM (SINGULAIR) at a dose of 1 dosage form once a day; PARACETAMOL (TYLENOL) (oral) at a dose of 500 mg three times a day and DIPHENHYDRAMINE HYDROCHLORIDE, PARACETAMOL (TYLENOL PM) at a dose of 1 dosage form once a day. At the time of the report, LIP SWELLING (Swollen lips), EYE SWELLING (Swollen eyes), SWELLING FACE (Swollen face), PHARYNGEAL SWELLING (Throat was swelling up), OROPHARYNGEAL DISCOMFORT (Really bad to the point that my throat almost closed up), BLISTER (One of the hives is like blistering / pain, itchy, really, really uncomfortable) and URTICARIA (Woke up covered in hives head to toes/hives from scalp to my feet and around my waist, stomach, face, everywhere/ Every single day, hives in different spots, sometimes disappeared and sometimes show up in different areas/is getting worst overtime) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       The patient stated that her doctor prescribed steroids from 20-APR-2021 to 24-APR-2021.  Then she was prescribed with steroids again.