I couldn't go out and work with these side effects.; side effects my immune system is reacting worse to the Moderna covid booster shot; immune system affected; not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms; not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms; not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms; feels burning; itching; getting hives,I didn't recover from hives.,everyday hives,Everyday I am getting hives at different times, hives at least one time in a day.; This spontaneous case was reported by a consumer and describes the occurrence of SWELLING FACE (not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms), ERYTHEMA (not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms), SWELLING (not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms), BURNING SENSATION (feels burning) and PRURITUS (itching) in a 32-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 029H21B) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 05-Jan-2022, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 15-Jan-2022,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced SWELLING FACE (not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms), ERYTHEMA (not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms) and SWELLING (not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms). In January 2022, the patient experienced BURNING SENSATION (feels burning), PRURITUS (itching) and URTICARIA (getting hives,I didn't recover from hives.,everyday hives,Everyday I am getting hives at different times, hives at least one time in a day.). On an unknown date, the patient experienced IMPAIRED WORK ABILITY (I couldn't go out and work with these side effects.), VACCINATION COMPLICATION (side effects my immune system is reacting worse to the Moderna covid booster shot) and IMMUNE SYSTEM DISORDER (immune system affected). The patient was treated with HYDROXYZINE HCL at a dose of for 1 month; CETIRIZINE HYDROCHLORIDE (ZYRTEC [CETIRIZINE HYDROCHLORIDE]) at an unspecified dose and frequency and TRIAMCINOLONE ACETONIDE (KENALOG [TRIAMCINOLONE ACETONIDE]) on 15-Feb-2022 for Hives, at a dose of took shot for hives. At the time of the report, SWELLING FACE (not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms), ERYTHEMA (not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms), SWELLING (not sure why exactly I got this reddish swelling on my face,started on my neck, shoulders, hands, thighs, hands, and forearms), BURNING SENSATION (feels burning), PRURITUS (itching), IMPAIRED WORK ABILITY (I couldn't go out and work with these side effects.) and VACCINATION COMPLICATION (side effects my immune system is reacting worse to the Moderna covid booster shot) had not resolved and IMMUNE SYSTEM DISORDER (immune system affected) and URTICARIA (getting hives,I didn't recover from hives.,everyday hives,Everyday I am getting hives at different times, hives at least one time in a day.) was resolving.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   Concomitant products were not provided.  It was reported that patient went to a dermatologist and on her first visit, the doctor said it is due to booster shot side effects. He explained about side effects her immune system was reacting worse to the Moderna covid booster shot. The doctor suggested to take steroid(Kenalog) shot. Everyday she was experiencing hives at different times.   This case was linked to MOD-2022-512781 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 16-Mar-2022: Follow-up received contains significant information- event added.