had a bad reaction to it; I thought I had the flu, bad case of the flu; by 5th day I couldn't do much,She was so tired all the time that she had to sit down constantly; her arm was very sore, red, and swollen; her arm was very sore, red, and swollen; her arm was her arm was very sore, red, and swollen; woke up that night with chills; fever; achy; This spontaneous case was reported by a consumer and describes the occurrence of VACCINATION COMPLICATION (had a bad reaction to it), INFLUENZA LIKE ILLNESS (I thought I had the flu, bad case of the flu), ERYTHEMA (her arm was very sore, red, and swollen), PAIN (achy) and PERIPHERAL SWELLING (her arm was very sore, red, and swollen) in a 68-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 012H21B, 015M20A and 027A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Blood pressure abnormal. Concomitant products included IRBESARTAN for Blood pressure, VITAMINS NOS for an unknown indication.   On 11-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 11-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 30-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 30-Nov-2021, the patient experienced PAIN (achy), CHILLS (woke up that night with chills) and PYREXIA (fever). On 01-Dec-2021, the patient experienced ERYTHEMA (her arm was very sore, red, and swollen), PERIPHERAL SWELLING (her arm was very sore, red, and swollen) and PAIN IN EXTREMITY (her arm was her arm was very sore, red, and swollen). On 05-Dec-2021, the patient experienced FATIGUE (by 5th day I couldn't do much,She was so tired all the time that she had to sit down constantly). On an unknown date, the patient experienced VACCINATION COMPLICATION (had a bad reaction to it) and INFLUENZA LIKE ILLNESS (I thought I had the flu, bad case of the flu). The patient was treated with PARACETAMOL (TYLENOL [PARACETAMOL]) for Fever, at an unspecified dose and frequency. On 05-Dec-2021, PAIN (achy), CHILLS (woke up that night with chills) and PYREXIA (fever) had resolved. On 08-Dec-2021, ERYTHEMA (her arm was very sore, red, and swollen), PERIPHERAL SWELLING (her arm was very sore, red, and swollen) and PAIN IN EXTREMITY (her arm was her arm was very sore, red, and swollen) had resolved. At the time of the report, VACCINATION COMPLICATION (had a bad reaction to it), INFLUENZA LIKE ILLNESS (I thought I had the flu, bad case of the flu) and FATIGUE (by 5th day I couldn't do much,She was so tired all the time that she had to sit down constantly) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Body temperature: 101 (High) 101°F. On an unknown date, Influenza virus test: negative (Negative) Negative. On an unknown date, SARS-CoV-2 test: negative (Negative) negative.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.