It is on her right arm on 20MAR2021, and now it is on both arms; Started to get an itch on the back of her left arm and on 20Mar2021 it is on her right arm; now on both arms; COVID Rash (of the arm); The first 24 hours she experienced injection site pain; Experienced a reaction; This spontaneous case was reported by a physician and describes the occurrence of PRURITUS (Started to get an itch on the back of her left arm and on 20Mar2021 it is on her right arm; now on both arms), PRURITUS (It is on her right arm on 20MAR2021, and now it is on both arms), VACCINATION COMPLICATION (Experienced a reaction), RASH (COVID Rash (of the arm)) and VACCINATION SITE PAIN (The first 24 hours she experienced injection site pain) in an 81-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 030A21A and 032B21A) for COVID-19 vaccination.     No medical history was reported by the reporter.  Concurrent medical conditions included High cholesterol, Thyroidectomy and Blood pressure high. Concomitant products included LORATADINE (CLARITIN [LORATADINE]), LEVOTHYROXINE, VALSARTAN, AMLODIPINE, SIMVASTATIN, CALCIUM CARBONATE (CALCIUM AL), VITAMIN D3, MULTIVITAMIN [VITAMINS NOS], VITAMIN C [ASCORBIC ACID] and PROBIOTICS NOS for an unknown indication.   On 08-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 05-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 08-Mar-2021, the patient experienced VACCINATION COMPLICATION (Experienced a reaction) and VACCINATION SITE PAIN (The first 24 hours she experienced injection site pain). On 13-Mar-2021, the patient experienced RASH (COVID Rash (of the arm)). On 15-Mar-2021, the patient experienced PRURITUS (Started to get an itch on the back of her left arm and on 20Mar2021 it is on her right arm; now on both arms). On 20-Mar-2021, the patient experienced PRURITUS (It is on her right arm on 20MAR2021, and now it is on both arms). The patient was treated with CORTISONE for Adverse reaction, at an unspecified dose and frequency and CALAMINE, GLYCEROL, ZINC OXIDE (CALAMINE LOTION) for Rash over arms, at an unspecified dose and frequency. On 09-Mar-2021, VACCINATION SITE PAIN (The first 24 hours she experienced injection site pain) had resolved. At the time of the report, PRURITUS (Started to get an itch on the back of her left arm and on 20Mar2021 it is on her right arm; now on both arms), PRURITUS (It is on her right arm on 20MAR2021, and now it is on both arms), VACCINATION COMPLICATION (Experienced a reaction) and RASH (COVID Rash (of the arm)) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood glucose: normal (normal) Normal. On an unknown date, Blood pressure measurement: normal (normal) Normal.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter considered VACCINATION COMPLICATION (Experienced a reaction) and RASH (COVID Rash (of the arm)) to be possibly related. No further causality assessments were provided for PRURITUS (Started to get an itch on the back of her left arm and on 20Mar2021 it is on her right arm; now on both arms), PRURITUS (It is on her right arm on 20MAR2021, and now it is on both arms) and VACCINATION SITE PAIN (The first 24 hours she experienced injection site pain).    Patient took allergy tablet and cold compresses for arm rash.   This case was linked to MOD-2021-278269 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 05-Aug-2021: Follow-up received contains significant information :medical history of patient was updated, events from first dose updated,  details of second dose added and action taken updated to not applicable. On 11-Aug-2021: Follow up received contains Non Significant Information On 13-Aug-2021: Non-Significant follow up appended on 13-Aug-2021. Updated the occupation of reporter.