mildly painful to move her arm; hard in areas underneath; a lot more itchy; hot; huge area of redness; it was bumpy; nauseated; a little bit of redness/erythema; arm was itchy at the injection site; irritating; muscle aches; chills; fatigue; painful to move arm around shoulder; injection site was warm and hot to touch, swollen, hard, bumpy, itching.; injection site was warm and hot to touch, swollen, hard, bumpy, itching.; injection site was warm and hot to touch, swollen, hard, bumpy, itching.; redness, swelling, pain at the site; redness, swelling, pain at the site; redness, swelling, pain at the site; This spontaneous case was reported by a nurse and describes the occurrence of PAIN IN EXTREMITY (mildly painful to move her arm), INDURATION (hard in areas underneath), PRURITUS (a lot more itchy), FEELING HOT (hot) and SKIN IRRITATION (irritating) in a 58-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 043L20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 28-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 28-Jan-2021, the patient experienced VACCINATION SITE SWELLING (redness, swelling, pain at the site), VACCINATION SITE ERYTHEMA (redness, swelling, pain at the site) and VACCINATION SITE PAIN (redness, swelling, pain at the site). On 29-Jan-2021, the patient experienced MYALGIA (muscle aches), CHILLS (chills), FATIGUE (fatigue), ARTHRALGIA (painful to move arm around shoulder), VACCINATION SITE WARMTH (injection site was warm and hot to touch, swollen, hard, bumpy, itching.) and VACCINATION SITE INDURATION (injection site was warm and hot to touch, swollen, hard, bumpy, itching.). 29-Jan-2021, the patient experienced VACCINATION SITE PRURITUS (injection site was warm and hot to touch, swollen, hard, bumpy, itching.). On 31-Jan-2021, the patient experienced SKIN IRRITATION (irritating). On 04-Feb-2021, the patient experienced ERYTHEMA (a little bit of redness/erythema) and VACCINATION SITE PRURITUS (arm was itchy at the injection site). On 05-Feb-2021, the patient experienced PAIN IN EXTREMITY (mildly painful to move her arm), INDURATION (hard in areas underneath), PRURITUS (a lot more itchy), FEELING HOT (hot), ERYTHEMA (huge area of redness), SKIN MASS (it was bumpy) and NAUSEA (nauseated). At the time of the report, PAIN IN EXTREMITY (mildly painful to move her arm), PRURITUS (a lot more itchy), FEELING HOT (hot), SKIN IRRITATION (irritating), ERYTHEMA (a little bit of redness/erythema), ERYTHEMA (huge area of redness), VACCINATION SITE SWELLING (redness, swelling, pain at the site), VACCINATION SITE PAIN (redness, swelling, pain at the site), MYALGIA (muscle aches), CHILLS (chills) and VACCINATION SITE WARMTH (injection site was warm and hot to touch, swollen, hard, bumpy, itching.) had resolved and INDURATION (hard in areas underneath), SKIN MASS (it was bumpy), VACCINATION SITE ERYTHEMA (redness, swelling, pain at the site), FATIGUE (fatigue), ARTHRALGIA (painful to move arm around shoulder), VACCINATION SITE PRURITUS (arm was itchy at the injection site) and NAUSEA (nauseated) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown Route) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown Route), the reporter did not provide any causality assessments.   Treatment for the event was  triamcinolone cream, Keflex, warm compresses, Tylenol. It has gotten better.    The second dose of mRNA-1273 was temporarily withheld in response to the event.