uncomfortable itching for well over a week; Have a lump or rise of swelling near the place where they got the shot; At the injection site, it's like a hard knot that's there; It does not hurt but it itching a little bit/It doesn't hurt, just itches/where she got the injection there's itches; Have a lump or rise of swelling near the place where they got the shot; it's uncomfortable; This spontaneous case was reported by a consumer and describes the occurrence of FEELING ABNORMAL (it's uncomfortable), PRURITUS (uncomfortable itching for well over a week), VACCINATION SITE MASS (Have a lump or rise of swelling near the place where they got the shot), VACCINATION SITE INDURATION (At the injection site, it's like a hard knot that's there) and VACCINATION SITE PRURITUS (It does not hurt but it itching a little bit/It doesn't hurt, just itches/where she got the injection there's itches) in an 81-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 012H21B, 032M20A and 015M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below. No Medical History information was reported.On 09-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form.On 09-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form.On 20-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. In November 2021, the patient experienced FEELING ABNORMAL (it's uncomfortable), VACCINATION SITE MASS (Have a lump or rise of swelling near the place where they got the shot), VACCINATION SITE INDURATION (At the injection site, it's like a hard knot that's there), VACCINATION SITE PRURITUS (It does not hurt but it itching a little bit/It doesn't hurt, just itches/where she got the injection there's itches) and VACCINATION SITE SWELLING (Have a lump or rise of swelling near the place where they got the shot). On an unknown date, the patient experienced PRURITUS (uncomfortable itching for well over a week). The patient was treated with IBUPROFEN (MOTRIN [IBUPROFEN]) for Adverse event, at an unspecified dose and frequency and CORTISONE for Vaccination site pruritus, at an unspecified dose and frequency. At the time of the report, FEELING ABNORMAL (it's uncomfortable), VACCINATION SITE MASS (Have a lump or rise of swelling near the place where they got the shot), VACCINATION SITE INDURATION (At the injection site, it's like a hard knot that's there), VACCINATION SITE PRURITUS (It does not hurt but it itching a little bit/It doesn't hurt, just itches/where she got the injection there's itches) and VACCINATION SITE SWELLING (Have a lump or rise of swelling near the place where they got the shot) outcome was unknown and PRURITUS (uncomfortable itching for well over a week) had resolved. Concomitant medication of the patient was not reported.The patient went to the emergency on 23-Nov-2021. In the emergency, the patient was put a circle on the area and told her if it got any bigger to come back. The patient reported that, this was the first bad experience she had. The patient didn't have anything after the first two doses.The patient went to ER, and was given Ibupropen, even though she had no pain. She experienced very uncomfortable itching for well over a week. Hot shower offered relief and cortizone cream.Most recent FOLLOW-UP information incorporated above includes:On 22-Nov-2021: Reporter's alternative phone number was added. Event description was updated.On 24-Nov-2021: Reporter, patient and suspect drug details along with additional events and treatment details were added.On 13-Dec-2021: Significant follow-up received on 13-Dec-2021. Event added.