bumps in knee are very tender to touch; bumps under the skin in my L knee / Still painful bumps in the knee very tender to touch,; Abdominal cramping; chills; numbness on her left lateral hip / numbness in L lat hip; post-inflammatory syndrome; abdominal pain / Sudden Onset of severe L abdominal pain; rash more painful / spreading to L thigh and knee; rash more burning; Sudden Onset of severe L abdominal pain and swelling.; contact dermatitis; lower back pain; itchy, burning raised rashes lower back spread to left lower leg / itchy rash; fatigue; body aches; hip pain / knee pain.; hyper inflammatory reaction; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of BACK PAIN (lower back pain), RASH PRURITIC (itchy, burning raised rashes lower back spread to left lower leg / itchy rash), ABDOMINAL PAIN (abdominal pain / Sudden Onset of severe L abdominal pain), HYPOAESTHESIA (numbness on her left lateral hip / numbness in L lat hip) and VACCINATION COMPLICATION (post-inflammatory syndrome) in a 59-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 025L20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Drug allergy (Amoxicillin (caused rash).).    On 13-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 13-Jan-2021, the patient experienced INFLAMMATION (hyper inflammatory reaction). On 20-Jan-2021, the patient experienced BACK PAIN (lower back pain), RASH PRURITIC (itchy, burning raised rashes lower back spread to left lower leg / itchy rash), DERMATITIS CONTACT (contact dermatitis), FATIGUE (fatigue), MYALGIA (body aches) and ARTHRALGIA (hip pain / knee pain.). On 24-Jan-2021, the patient experienced BURNING SENSATION (rash more burning) and ABDOMINAL DISTENSION (Sudden Onset of severe L abdominal pain and swelling.). On 25-Jan-2021, the patient experienced RASH (rash more painful / spreading to L thigh and knee). On 27-Jan-2021, the patient experienced ABDOMINAL PAIN (abdominal pain / Sudden Onset of severe L abdominal pain) and VACCINATION COMPLICATION (post-inflammatory syndrome). On 03-Feb-2021, the patient experienced HYPOAESTHESIA (numbness on her left lateral hip / numbness in L lat hip). On an unknown date, the patient experienced TENDERNESS (bumps in knee are very tender to touch), JOINT SWELLING (bumps under the skin in my L knee / Still painful bumps in the knee very tender to touch,), ABDOMINAL PAIN (Abdominal cramping) and CHILLS (chills). The patient was treated with IBUPROFEN (oral) from 29-Jan-2021 to 04-Feb-2021 for Pain, at a dose of UNK UNK, tid and PREDNISONE (oral) from 25-Feb-2021 to 08-Mar-2021 at a dose of 10 mg, x12 days. On 10-Jun-2021, ABDOMINAL DISTENSION (Sudden Onset of severe L abdominal pain and swelling.) and INFLAMMATION (hyper inflammatory reaction) had resolved. At the time of the report, BACK PAIN (lower back pain), RASH PRURITIC (itchy, burning raised rashes lower back spread to left lower leg / itchy rash), HYPOAESTHESIA (numbness on her left lateral hip / numbness in L lat hip), VACCINATION COMPLICATION (post-inflammatory syndrome), BURNING SENSATION (rash more burning), TENDERNESS (bumps in knee are very tender to touch), JOINT SWELLING (bumps under the skin in my L knee / Still painful bumps in the knee very tender to touch,), DERMATITIS CONTACT (contact dermatitis), ABDOMINAL PAIN (Abdominal cramping), RASH (rash more painful / spreading to L thigh and knee), CHILLS (chills), FATIGUE (fatigue), MYALGIA (body aches) and ARTHRALGIA (hip pain / knee pain.) had resolved and ABDOMINAL PAIN (abdominal pain / Sudden Onset of severe L abdominal pain) was resolving.        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.   The action taken with mRNA-1273(Moderna COVID-19 vaccine) was not applicable. No concomitant medication was mentioned.       Most recent FOLLOW-UP information incorporated above includes: On 19-Jun-2021: Non-Significant follow up appended to AER. The patients Allergy conditions were updated. Vaccination facility details were updated. Treatment drug details updated. New events and event outcome were updated.