her soreness returned with a vengeance; 2 red blotches; her 2 blotches went and converged into 1 red blob. It went from her elbow to the top of her shoulder and covered the trapezoid area; hot to touch; itchy; hurting; ridge or swollen area on the bottom and made her uncomfortable and bother; It was very sore, very sensitive to touch, and a different soreness; COVID arm; I could push hard and know I had a vaccine; Very sore, really sore up to her shoulders; This spontaneous case was reported by an other health care professional and describes the occurrence of PAIN IN EXTREMITY (Very sore, really sore up to her shoulders), VACCINATION SITE DISCOMFORT (I could push hard and know I had a vaccine), PAIN IN EXTREMITY (her soreness returned with a vengeance), RASH MACULAR (2 red blotches) and ERYTHEMA (her 2 blotches went and converged into 1 red blob. It went from her elbow to the top of her shoulder and covered the trapezoid area) in a 57-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 011J20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Disorder muscle.    On 21-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 21-Jan-2021, the patient experienced PAIN IN EXTREMITY (Very sore, really sore up to her shoulders). On 25-Jan-2021, the patient experienced VACCINATION SITE DISCOMFORT (I could push hard and know I had a vaccine). On 01-Feb-2021, the patient experienced PAIN IN EXTREMITY (her soreness returned with a vengeance), RASH MACULAR (2 red blotches), ERYTHEMA (her 2 blotches went and converged into 1 red blob. It went from her elbow to the top of her shoulder and covered the trapezoid area), VACCINATION SITE WARMTH (hot to touch), PRURITUS (itchy), PAIN (hurting), SWELLING (ridge or swollen area on the bottom and made her uncomfortable and bother), VACCINATION SITE PAIN (It was very sore, very sensitive to touch, and a different soreness) and VACCINATION SITE RASH (COVID arm). The patient was treated with DEXAMETHASONE (DECADRON [DEXAMETHASONE]) at a dose of UNK UNK, bid for 14 days; DOXYCYCLINE at a dose of 100 mg twice a day; CETIRIZINE HYDROCHLORIDE (ZYRTEC [CETIRIZINE HYDROCHLORIDE]) at an unspecified dose and frequency; ASPIRIN [ACETYLSALICYLIC ACID] at an unspecified dose and frequency; PARACETAMOL (TYLENOL) at an unspecified dose and frequency and HYDROCORTISONE at an unspecified dose and frequency. At the time of the report, PAIN IN EXTREMITY (Very sore, really sore up to her shoulders), VACCINATION SITE DISCOMFORT (I could push hard and know I had a vaccine), PAIN IN EXTREMITY (her soreness returned with a vengeance), RASH MACULAR (2 red blotches), ERYTHEMA (her 2 blotches went and converged into 1 red blob. It went from her elbow to the top of her shoulder and covered the trapezoid area), VACCINATION SITE WARMTH (hot to touch), PRURITUS (itchy), PAIN (hurting), SWELLING (ridge or swollen area on the bottom and made her uncomfortable and bother), VACCINATION SITE PAIN (It was very sore, very sensitive to touch, and a different soreness) and VACCINATION SITE RASH (COVID arm) outcome was unknown. Not Provided      The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   No relevant concomitant medications were reported.  Treatment details included unspecified antibiotics and a steroid shot, patient put ice on the arm.   Most recent FOLLOW-UP information incorporated above includes: On 12-Jul-2021: Follow-up received on 12 Jul 2021, contains no significant information.