she was breaking out in rashes all over her body in random places/ they were vividly red, started in streaks but progressed into rectangles and squares; itchy; Hives appeared in the first week/ experienced spontaneous chronic urticaria in full force; burning; The itchiness make her feel nervous as if she was jumping out of her skin; This spontaneous case was reported by a consumer and describes the occurrence of BURNING SENSATION (burning), NERVOUSNESS (The itchiness make her feel nervous as if she was jumping out of her skin), RASH ERYTHEMATOUS (she was breaking out in rashes all over her body in random places/ they were vividly red, started in streaks but progressed into rectangles and squares), RASH PRURITIC (itchy) and URTICARIA (Hives appeared in the first week/ experienced spontaneous chronic urticaria in full force) in a 70-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 047C21A, 028A21A and 017A21A) for COVID-19 vaccination.     Concurrent medical conditions included Penicillin allergy (She is allergic to penicillin). Concomitant products included L-THYROXINE [LEVOTHYROXINE], PANTOPRAZOLE, HYOSCYAMINE and PROGESTERONE for an unknown indication.   On 01-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 29-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 29-Oct-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to .25 milliliter. On 05-Nov-2021, the patient experienced BURNING SENSATION (burning) and NERVOUSNESS (The itchiness make her feel nervous as if she was jumping out of her skin). On 12-Nov-2021, the patient experienced RASH ERYTHEMATOUS (she was breaking out in rashes all over her body in random places/ they were vividly red, started in streaks but progressed into rectangles and squares) and RASH PRURITIC (itchy). 12-Nov-2021, the patient experienced URTICARIA (Hives appeared in the first week/ experienced spontaneous chronic urticaria in full force). The patient was treated with CETIRIZINE (oral) ongoing from 13-Nov-2021 for Itch, at a dose of 10 mg once a day. At the time of the report, BURNING SENSATION (burning), NERVOUSNESS (The itchiness make her feel nervous as if she was jumping out of her skin), RASH ERYTHEMATOUS (she was breaking out in rashes all over her body in random places/ they were vividly red, started in streaks but progressed into rectangles and squares) and RASH PRURITIC (itchy) had not resolved and URTICARIA (Hives appeared in the first week/ experienced spontaneous chronic urticaria in full force) had resolved.            The rashes appeared on her arms, forearms, belly, back, and buttocks. They would fade after a couple hours and there was always about 2 or 3 areas present.   Patient reported that he cetirizine may be helping with itching, although the itching was still bad in bed at night, and the cetirizine may mitigate the sudden "showing up" of the streaks: instead of four or five at a time, perhaps two or three. But cannot be sure.  Patient reported that she has a dermatology appt next week and will request an Rx for cetirizine, which she began taking the day after noticing this reaction: 2x/day (10 mg. each pill).  Patient has a dermatology appt next week and will request an Rx for cetirizine, which she began taking the day after noticing this reaction   This case was linked to MOD-2021-399909 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 03-Dec-2021: Significant Follow Up Appended- Concomitant medication added, Anatomical location added for dose 1 and dose 2, start date was updated for booster dose, Patient race, height added.