I had a fast heart rate; I was  sick for 4 days, extreme arm pain, couldn't lift arm as well as weakness; had dizziness; weakness; loss of appetite; This spontaneous case was reported by a consumer and describes the occurrence of HEART RATE INCREASED (I had a fast heart rate), PAIN IN EXTREMITY (I was  sick for 4 days, extreme arm pain, couldn't lift arm as well as weakness), DIZZINESS (had dizziness), ASTHENIA (weakness) and DECREASED APPETITE (loss of appetite) in a female patient of an unknown age who received mRNA-1273 (COVID 19 Vaccine Moderna) (batch nos. 004MZUA, 030A21A and 058E21A) for COVID-19 vaccination.     No medical history information was provided.  Concomitant products included METOPROLOL, LEVOTHYROXINE SODIUM (SYNTHROID), EZETIMIBE (ZETIA), AMLODIPINE and OLMESARTAN for an unknown indication.   On 05-Mar-2021, the patient received first dose of mRNA-1273 (COVID 19 Vaccine Moderna) (unknown route) 1 dosage form. On 02-Apr-2021, received second dose of mRNA-1273 (COVID 19 Vaccine Moderna) (unknown route) dosage was changed to 1 dosage form. On 27-Oct-2021, received third dose of mRNA-1273 (COVID 19 Vaccine Moderna) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced HEART RATE INCREASED (I had a fast heart rate), PAIN IN EXTREMITY (I was  sick for 4 days, extreme arm pain, couldn't lift arm as well as weakness), DIZZINESS (had dizziness), ASTHENIA (weakness) and DECREASED APPETITE (loss of appetite). The patient was treated with ACETYLSALICYLIC ACID (ASPIRIN 81) at an unspecified dose and frequency and PARACETAMOL (TYLENOL [PARACETAMOL]) at an unspecified dose and frequency. At the time of the report, HEART RATE INCREASED (I had a fast heart rate), DIZZINESS (had dizziness), ASTHENIA (weakness) and DECREASED APPETITE (loss of appetite) was resolving and PAIN IN EXTREMITY (I was  sick for 4 days, extreme arm pain, couldn't lift arm as well as weakness) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Heart rate: increased (High) Increased.     For mRNA-1273 (COVID 19 Vaccine Moderna) (Unknown), the reporter did not provide any causality assessments.   The patient reported being sick for 4 days, extreme arm pain, couldn't lift arm as well as weakness, dizziness and loss of appetite. The symptoms of arm pain are ongoing while others were resolving.  Company Comment: This case concerns a female patient of unknown age with no reported medical history who experienced the unexpected non-serious events of increased heart rate, pain in extremity, dizziness, asthenia and decreased appetite.  The events occurred on an unknown date relative to the first, second and third doses of Moderna COVID-19 Vaccine. The benefit-risk relationship of Moderna COVID-19 Vaccine is not affected by this report.; Sender's Comments: This case concerns a female patient of unknown age with no reported medical history who experienced the unexpected non-serious events of increased heart rate, pain in extremity, dizziness, asthenia and decreased appetite.  The events occurred on an unknown date relative to the first, second and third doses of Moderna COVID-19 Vaccine. The benefit-risk relationship of Moderna COVID-19 Vaccine is not affected by this report.