This spontaneous case was reported by a patient and describes the occurrence of PRURITUS (these welts are very itchy and she scratches them to death/They are itchy and painful/ They are red and grow a quarter of an inch off her skin), VACCINATION SITE DISCOLOURATION (The injection site has now become black and blue, and is very sore/recently the injection site where she received the booster dose, has become black and blue and swollen), SKIN DISCOLOURATION (She is black and blue all over her body), INJECTION SITE HYPERSENSITIVITY (That area has also become extremely sensitive again) and SKIN BURNING SENSATION (sometimes she wakes up in the middle of the night, covered with 6 inch red welts that burn and itch) in a 64-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below. Patient did not had Covid test positive ever. Concurrent medical conditions included Drug allergy (allergy to Wellbutrin). Concomitant products included BREXPIPRAZOLE (REXULTI) for Antidepressant therapy, LOSARTAN for Blood pressure abnormal, DILTIAZEM HYDROCHLORIDE (DILTIAZEM XR) for Palpitations, SIMVASTATIN for an unknown indication. On 19-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to .5 milliliter. On 16-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to .5 milliliter. On an unknown date, the patient received dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 14-Jun-2022, the patient experienced STOMATITIS (since the last breakout, I have sores all over my mouth). On an unknown date, the patient experienced PRURITUS (these welts are very itchy and she scratches them to death/They are itchy and painful/ They are red and grow a quarter of an inch off her skin), VACCINATION SITE DISCOLOURATION (The injection site has now become black and blue, and is very sore/recently the injection site where she received the booster dose, has become black and blue and swollen), SKIN DISCOLOURATION (She is black and blue all over her body), INJECTION SITE HYPERSENSITIVITY (That area has also become extremely sensitive again), SKIN BURNING SENSATION (sometimes she wakes up in the middle of the night, covered with 6 inch red welts that burn and itch), POOR QUALITY SLEEP (wake up in the middle of the night with 6 inch red welts), URTICARIA (/yesterday, I was so bad with welts on my body/red welts I keep breaking out in welts and bumps all over my body/it's across my breast, under my breast/in between my legs, thighs/ as well as on the stomach and it's sides), VACCINATION SITE PAIN (The injection site has now become black and blue, and is very sore) and VACCINATION SITE SWELLING (the injection site where she received the booster dose, has become black and blue and swollen). The patient was treated with LORATADINE (CLARITINE) at an unspecified dose and frequency and CALAMINE at a dose of lotion. At the time of the report, PRURITUS (these welts are very itchy and she scratches them to death/They are itchy and painful/ They are red and grow a quarter of an inch off her skin) and URTICARIA (/yesterday, I was so bad with welts on my body/red welts I keep breaking out in welts and bumps all over my body/it's across my breast, under my breast/in between my legs, thighs/ as well as on the stomach and it's sides) had not resolved and VACCINATION SITE DISCOLOURATION (The injection site has now become black and blue, and is very sore/recently the injection site where she received the booster dose, has become black and blue and swollen), SKIN DISCOLOURATION (She is black and blue all over her body), INJECTION SITE HYPERSENSITIVITY (That area has also become extremely sensitive again), SKIN BURNING SENSATION (sometimes she wakes up in the middle of the night, covered with 6 inch red welts that burn and itch), STOMATITIS (since the last breakout, I have sores all over my mouth), POOR QUALITY SLEEP (wake up in the middle of the night with 6 inch red welts), VACCINATION SITE PAIN (The injection site has now become black and blue, and is very sore) and VACCINATION SITE SWELLING (the injection site where she received the booster dose, has become black and blue and swollen) outcome was unknown. DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available). On an unknown date, Allergy test: no allergy no allergy. No other vaccines were given one prior to Moderna Covid-19 vaccine. Patient visited ER in May-2022 for welts all over her body, bumps, burn and itch. Patient reported that she was in bad shape with the welts on her body and could not even put clothes on. She reported the welts look very alien-like. There are times when she was able to put calamine lotion but sometimes, she was unable to put anything on them. She reported that these welts never ooze. She wanted to report her reactions in hopes that this information could help others. Patient stated that she would send pictures of her reaction to email address provided by agent. Most recent FOLLOW-UP information incorporated above includes: On 16-Jun-2022: Follow up received contains information: Event feeling horrible added.