really bad pain and swelling in my left arm; really bad pain and swelling in my left arm; pain never goes away/started about 2 weeks after second vaccination/The patient states that the pain is worst in her left shoulder but is also very bad in her wrist, elbow, and entire left arm.; Range of motion is severely impacted in my left arm now, extending to my elbow with shooting pain down the arm.; I cannot dress myself easily, or exercise where any significant   movement/rotation of my arm are needed.; inflamation around rotator cuff tendon; Injection site pain and swelling lingered with second vaccine injection; Injection site pain and swelling lingered with second vaccine injection; This spontaneous case was reported by a consumer and describes the occurrence of PAIN IN EXTREMITY (really bad pain and swelling in my left arm), PERIPHERAL SWELLING (really bad pain and swelling in my left arm), PAIN (pain never goes away/started about 2 weeks after second vaccination/The patient states that the pain is worst in her left shoulder but is also very bad in her wrist, elbow, and entire left arm.), HYPOKINESIA (Range of motion is severely impacted in my left arm now, extending to my elbow with shooting pain down the arm.) and LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (I cannot dress myself easily, or exercise where any significant   movement/rotation of my arm are needed.) in a 57-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 037B21A and 044A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history was provided by the reporter.  Concurrent medical conditions included Drug allergy (Allergic to Cipromycin) and Thyroid disorder (Hyper/Hypo Thyroid) in 1991. Concomitant products included LEVOTHYROXINE SODIUM (SYNTHROID) for Thyroid disorder, MULTIVITAMIN [VITAMINS NOS] for Vitamin supplementation.   On 19-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 16-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On an unknown date, the patient experienced PAIN IN EXTREMITY (really bad pain and swelling in my left arm), PERIPHERAL SWELLING (really bad pain and swelling in my left arm), PAIN (pain never goes away/started about 2 weeks after second vaccination/The patient states that the pain is worst in her left shoulder but is also very bad in her wrist, elbow, and entire left arm.), HYPOKINESIA (Range of motion is severely impacted in my left arm now, extending to my elbow with shooting pain down the arm.), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (I cannot dress myself easily, or exercise where any significant   movement/rotation of my arm are needed.), ROTATOR CUFF SYNDROME (inflamation around rotator cuff tendon), VACCINATION SITE PAIN (Injection site pain and swelling lingered with second vaccine injection) and VACCINATION SITE SWELLING (Injection site pain and swelling lingered with second vaccine injection). The patient was treated with LIDOCAINE for Pain, at an unspecified dose and frequency. At the time of the report, PAIN IN EXTREMITY (really bad pain and swelling in my left arm), PERIPHERAL SWELLING (really bad pain and swelling in my left arm), PAIN (pain never goes away/started about 2 weeks after second vaccination/The patient states that the pain is worst in her left shoulder but is also very bad in her wrist, elbow, and entire left arm.), HYPOKINESIA (Range of motion is severely impacted in my left arm now, extending to my elbow with shooting pain down the arm.), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (I cannot dress myself easily, or exercise where any significant   movement/rotation of my arm are needed.), ROTATOR CUFF SYNDROME (inflamation around rotator cuff tendon), VACCINATION SITE PAIN (Injection site pain and swelling lingered with second vaccine injection) and VACCINATION SITE SWELLING (Injection site pain and swelling lingered with second vaccine injection) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 30-Apr-2021, X-ray: inflamation around rotator cuff tendon.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Most recent FOLLOW-UP information incorporated above includes: On 21-Jul-2021: Significant follow up received. ADR form. Patient demographics, allergies, concomitant medication details and new events provided.