Arthritis/might be my arthritis; Couldn't move/slowing down my walking and cleaning up; Hard time sleeping; Very tense; Very painful/pain similar to shingles almost; Joint pain/feel it all over my joints; This spontaneous case was reported by a consumer and describes the occurrence of ARTHRITIS (Arthritis/might be my arthritis), MOBILITY DECREASED (Couldn't move/slowing down my walking and cleaning up), INSOMNIA (Hard time sleeping), TENSION (Very tense) and PAIN (Very painful/pain similar to shingles almost) in a 63-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 037A21B and 045A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history was provided by the reporter.  Concomitant products included MELOXICAM for Arthritis, CALCIUM, COLECALCIFEROL (VITAMIN D3), VITAMIN C [ASCORBIC ACID], MAGNESIUM, FISH OIL (OMEGA-3 FISH OIL), ZINC and PARACETAMOL (TYLENOL) for an unknown indication.   On 23-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 20-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 21-Apr-2021,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced ARTHRALGIA (Joint pain/feel it all over my joints). On an unknown date, the patient experienced ARTHRITIS (Arthritis/might be my arthritis), MOBILITY DECREASED (Couldn't move/slowing down my walking and cleaning up), INSOMNIA (Hard time sleeping), TENSION (Very tense) and PAIN (Very painful/pain similar to shingles almost). The patient was treated with PARACETAMOL (TYLENOL) for Adverse event, at an unspecified dose and frequency and PARACETAMOL (TYLENOL EXTRA STRENGTH) for Adverse event, at an unspecified dose and frequency. At the time of the report, ARTHRITIS (Arthritis/might be my arthritis), MOBILITY DECREASED (Couldn't move/slowing down my walking and cleaning up), INSOMNIA (Hard time sleeping), TENSION (Very tense), PAIN (Very painful/pain similar to shingles almost) and ARTHRALGIA (Joint pain/feel it all over my joints) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, X-ray: abnormal (abnormal) confirmed with arthritis.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Treatment medication involves Muscle relaxer and sleeping pills.  This case concerns a 63 year old female with no reported medical history who experienced non-serious expected event of arthralgia on the 2nd day after vaccination with the 2nd dose of mRNA-1273 (Moderna) . On an unknown date she experienced non-serious unexpected events of Mobility decreased, , Arthritis, , Insomnia , Pain and Tension after vaccination with the 2nd dose. The re-challenge for this case is not applicable. The age of the patient is a confounder for this case (Aging process can cause bone problems that may cause joint pains) . The benefit-risk relationship of mRNA-1273 (Moderna) is not affected by this report.; Sender's Comments: This case concerns a 63 year old female with no reported medical history who experienced non-serious expected event of arthralgia on the 2nd day after vaccination with the 2nd dose of mRNA-1273 (Moderna) . On an unknown date she experienced non-serious unexpected events of Mobility decreased, , Arthritis, , Insomnia , Pain and Tension after vaccination with the 2nd dose. The re-challenge for this case is not applicable. The age of the patient is a confounder for this case (Aging process can cause bone problems that may cause joint pains) . The benefit-risk relationship of mRNA-1273 (Moderna) is not affected by this report.