This spontaneous case was reported by a pharmacist and describes the occurrence of SKIN DISCOLOURATION (continuing in her arm, is huge and it was pink and it's now turning blue, she is worry it could be necrosis, has this happened with other vaccine , but not turning blue), BREAST PAIN (had a sharp pain under her left breast), ABDOMINAL PAIN (severe abdominal pain/ and a sharp pain all the way down to her abdomen,), IMMUNISATION REACTION (some very severe reactions/  was in the ER. on Friday night and she is having some continued reactions/ feels like she is having a very severe reaction) and HYPOTENSION (Blood pressure was low) in a 63-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 059A22A and 027721B) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below. The patient's past medical history included Sleeve gastrectomy on 09-Apr-2022. Previously administered products included for Product used for unknown indication: Pfizer (Dose 2) and Pfizer (Dose 1). Past adverse reactions to the above products included No adverse event with Pfizer and Pfizer. Concurrent medical conditions included Hypertension (More than 20 years ago), Penicillin allergy, Iodine allergy, Sulfonamide allergy, Allergy to antibiotic (Keflex), Allergy to antibiotic (minocycline) and Thyroid disorder NOS. Concomitant products included CANDESARTAN CILEXETIL (ATACAND), LANSOPRAZOLE (PREVACID), METOPROLOL, BARIATRIC ADVANTAGE ULTRA MULTI WITH IRON, DULOXETINE, DOCUSATE SODIUM (COLACE), MAGNESIUM, VITAMIN D [VITAMIN D NOS], VITAMIN B12 [VITAMIN B12 NOS] and PROBIOTICS NOS for an unknown indication. On 10-Dec-2021, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 30-Jun-2022 at 4:00 PM, received fourth dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 30-Jun-2022,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced VACCINATION SITE PAIN (little soreness). On 01-Jul-2022, the patient experienced SKIN DISCOLOURATION (continuing in her arm, is huge and it was pink and it's now turning blue, she is worry it could be necrosis, has this happened with other vaccine , but not turning blue), BREAST PAIN (had a sharp pain under her left breast), ABDOMINAL PAIN (severe abdominal pain/ and a sharp pain all the way down to her abdomen,), IMMUNISATION REACTION (some very severe reactions/  was in the ER. on Friday night and she is having some continued reactions/ feels like she is having a very severe reaction), HYPOTENSION (Blood pressure was low), INFLAMMATION (she had a lot of inflammation, and is  not severe but is ongoing.), PERIPHERAL SWELLING (it's continuing in her arm, is huge) and URTICARIA (on her arm she had wheal as high as an inch). At the time of the report, SKIN DISCOLOURATION (continuing in her arm, is huge and it was pink and it's now turning blue, she is worry it could be necrosis, has this happened with other vaccine , but not turning blue) had not resolved and BREAST PAIN (had a sharp pain under her left breast), ABDOMINAL PAIN (severe abdominal pain/ and a sharp pain all the way down to her abdomen,), IMMUNISATION REACTION (some very severe reactions/  was in the ER. on Friday night and she is having some continued reactions/ feels like she is having a very severe reaction), HYPOTENSION (Blood pressure was low), INFLAMMATION (she had a lot of inflammation, and is  not severe but is ongoing.), PERIPHERAL SWELLING (it's continuing in her arm, is huge), VACCINATION SITE PAIN (little soreness) and URTICARIA (on her arm she had wheal as high as an inch) was resolving. DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Computerized tomogram abdomen: no abnormalities did not saw anything. For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments. It was reported that, the patient concomitant medications include blood pressure medication and thyroid medication. Patient had concerns about her arm which was unintelligible and her doctors suggested to visit Emergency room (ER) because it was not related to the surgery. Patient had reactions to other vaccine but not turning blue. No treatment medications were provided. This case was linked to MOD-2022-598992 (Patient Link).