Feeling hot; Urticarial dermatitis; Bumpy, bright red, almost swollen, tiny little rash"; Some sickness; 6 hours of not feeling well; Injection site rash; Breaking out all over the right arm, and then started spreading out throughout head and into the scalp, across the back and into the left arm; Itching wasn't better; Urticaria; This spontaneous case was reported by a consumer and describes the occurrence of URTICARIA (Urticaria), PRURITUS (Itching wasn't better), RASH ERYTHEMATOUS (Bumpy, bright red, almost swollen, tiny little rash"), ILLNESS (Some sickness) and MALAISE (6 hours of not feeling well) in a 74-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 003A21A and 030L20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Hypertension, High cholesterol, Hay fever and Allergic reaction to bee sting. Concomitant products included AMLODIPINE and METOPROLOL for Blood pressure, PRAVASTATIN for High cholesterol, DENOSUMAB (PROLIA) for Osteopenia, FAMOTIDINE, CALCIUM and VITAMIN D NOS for an unknown indication.   On 06-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 04-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to .5 milliliter. On 10-Feb-2021, the patient experienced URTICARIA (Urticaria). On 04-Mar-2021, the patient experienced PRURITUS (Itching wasn't better). 04-Mar-2021, the patient experienced RASH (Breaking out all over the right arm, and then started spreading out throughout head and into the scalp, across the back and into the left arm). On 07-Mar-2021, the patient experienced ILLNESS (Some sickness), MALAISE (6 hours of not feeling well) and VACCINATION SITE RASH (Injection site rash). On 05-May-2021, the patient experienced RASH ERYTHEMATOUS (Bumpy, bright red, almost swollen, tiny little rash"). On 11-May-2021, the patient experienced URTICARIAL DERMATITIS (Urticarial dermatitis). On an unknown date, the patient experienced FEELING HOT (Feeling hot). The patient was treated with DOXYCYCLINE on 08-Apr-2021 for Adverse event, at a dose of 100 mg; BETAMETHASONE on 08-Apr-2021 for Adverse event, at an unspecified dose and frequency; PREDNISONE on 15-Apr-2021 for Adverse event, at an unspecified dose and frequency; LEVOCETIRIZINE on 05-May-2021 for Adverse event, at an unspecified dose and frequency and CLOBETASOL for Adverse event, at a dose of .05 percent. On 06-Feb-2021, FEELING HOT (Feeling hot) had resolved. On 05-Jun-2021, URTICARIA (Urticaria) had resolved. At the time of the report, PRURITUS (Itching wasn't better), RASH ERYTHEMATOUS (Bumpy, bright red, almost swollen, tiny little rash"), ILLNESS (Some sickness), MALAISE (6 hours of not feeling well), URTICARIAL DERMATITIS (Urticarial dermatitis), RASH (Breaking out all over the right arm, and then started spreading out throughout head and into the scalp, across the back and into the left arm) and VACCINATION SITE RASH (Injection site rash) was resolving.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 11-May-2021, Biopsy skin: urticarial dermatitis (Inconclusive) urticarial dermatitis. On 11-May-2021, Blood test: normal (normal) normal.         On 08 Apr 2021, the patient was seen by a dermatologist and started a new treatment regimen for the adverse events.  On 05 May 2021, the patient was seen by another physician who changed her antihistamine treatment.  At the time of reporting, the patient stated that her adverse events are now under control.   This case was linked to MOD-2021-176823 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 09-Jul-2021: Significant follow-up appended On 25-Jul-2021: Follow up received included reporter middle initial updated, Ethnic group, pregnancy updated to No, Medical history (hay fever), added treatment medication, added event details and narrative updated,