diagnosed with dry skin; spread to legs/After taking my booster shot a few daylight later I developed a rash; broke out in a rash/rash that started on the left arm at the injection site and then eventually spread to the other arm, wrists and leg; bumps on his skin; rash itches like crazy/dry skin causing rash; This spontaneous case was reported by a pharmacist and describes the occurrence of SKIN MASS (bumps on his skin), RASH PRURITIC (rash itches like crazy/dry skin causing rash), DRY SKIN (diagnosed with dry skin), RASH (spread to legs/After taking my booster shot a few daylight later I developed a rash) and VACCINATION SITE RASH (broke out in a rash/rash that started on the left arm at the injection site and then eventually spread to the other arm, wrists and leg) in an 81-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 065F21A, 011M20A and 025A21A) for COVID-19 vaccination.     The patient's past medical history included COVID-19 (was prescribed an inhaler) on 26-Dec-2020. Concurrent medical conditions included Eye disorder and Weakness. Concomitant products included VITAMINS NOS for Eye disorder, ACETYLSALICYLIC ACID (ASPIRINE) and TAMSULOSIN for an unknown indication.   On 05-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 05-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 11-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 18-Nov-2021, the patient experienced SKIN MASS (bumps on his skin), RASH PRURITIC (rash itches like crazy/dry skin causing rash), RASH (spread to legs/After taking my booster shot a few daylight later I developed a rash) and VACCINATION SITE RASH (broke out in a rash/rash that started on the left arm at the injection site and then eventually spread to the other arm, wrists and leg). On an unknown date, the patient experienced DRY SKIN (diagnosed with dry skin). The patient was treated with PREDNISONE for Adverse event, at an unspecified dose and frequency and HALOBETASOL PROPIONATE for Adverse event, at a dose of 0.05% cream. At the time of the report, SKIN MASS (bumps on his skin), RASH PRURITIC (rash itches like crazy/dry skin causing rash), DRY SKIN (diagnosed with dry skin), RASH (spread to legs/After taking my booster shot a few daylight later I developed a rash) and VACCINATION SITE RASH (broke out in a rash/rash that started on the left arm at the injection site and then eventually spread to the other arm, wrists and leg) outcome was unknown.      For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Patient stated he has seen his primary care physician and was prescribed a round of steroids that helped the itchiness but as soon as he stopped the steroid the itchiness came back. He saw a dermatologist and was prescribed halobetasol propionate 0.05% cream on 10-Dec-2021. Patient stated both the dermatologist and primary care physician diagnosed him with dry skin which was causing the rash.   This case was linked to MOD-2021-408469 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 10-Dec-2021: Follow up received: updated reporters information