Wheezing; Sweating; wobbly on my feet; dizzy / lightheaded on and off; breathing issues / on nebulizer 2-3 times a day; This spontaneous case was reported by a consumer and describes the occurrence of DIZZINESS (dizzy / lightheaded on and off), DYSPNOEA (breathing issues / on nebulizer 2-3 times a day), BALANCE DISORDER (wobbly on my feet), WHEEZING (Wheezing) and HYPERHIDROSIS (Sweating) in a 72-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 002821A and 022M20A) for COVID-19 vaccination.     Concurrent medical conditions included Lung cancer and Arthritis (Knuckles). Concomitant products included DICLOFENAC for Arthritis, ROSUVASTATIN CALCIUM (CRESTOR) and ROSUVASTATIN for Cholesterol, FINASTERIDE for Prostate cancer, VITAMIN D3, CURCUMA LONGA (TURMERIC CURCUMIN [CURCUMA LONGA]), FISH OIL (OMEGA 3 FISH OIL [FISH OIL]) and APPLE CIDER VINEGAR for an unknown indication.   On 01-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 29-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 12-Mar-2021, the patient experienced DIZZINESS (dizzy / lightheaded on and off) (seriousness criterion hospitalization) and DYSPNOEA (breathing issues / on nebulizer 2-3 times a day) (seriousness criterion hospitalization). On 12-Apr-2021, the patient experienced BALANCE DISORDER (wobbly on my feet) (seriousness criterion hospitalization). On an unknown date, the patient experienced WHEEZING (Wheezing) (seriousness criterion hospitalization) and HYPERHIDROSIS (Sweating) (seriousness criterion hospitalization). The patient was hospitalized from 12-Apr-2021 to 15-Apr-2021 due to BALANCE DISORDER, DIZZINESS, DYSPNOEA, HYPERHIDROSIS and WHEEZING. The patient was treated with PREDNISONE from 11-May-2021 to 16-May-2021 for Adverse event, at a dose of 50 mg once a day. At the time of the report, DIZZINESS (dizzy / lightheaded on and off), DYSPNOEA (breathing issues / on nebulizer 2-3 times a day), BALANCE DISORDER (wobbly on my feet), WHEEZING (Wheezing) and HYPERHIDROSIS (Sweating) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Body temperature: 97.7. On an unknown date, Computerised tomogram: Normal. On an unknown date, Magnetic resonance imaging: Normal. On an unknown date, Respiratory rate: Heavy Panting. On an unknown date, X-ray: Normal.         Treatment:Nebulizer 2-3 times a day patient had pacemaker surgery in his heart. Lab test done- CT Head & Brain w/o Contrast, Chest x-ray(2 views), CT chest w/o contrast, CT Head and neck, HbA1C, B-Type natriuretic peptide, Lipid Panel, MRI Brain, TSH, INR, Hepatic function panel, basic metabolic panel, CBC with differential, SARS-COV 2 Ag, ECG, D-dimer, but no result found.   Most recent FOLLOW-UP information incorporated above includes: On 24-Jul-2021: Follow up received on 24 Jul 2021 updated height ,weight, Concomitant medication, Hospitalization, Lab data and other test, Treatment Updated On 24-Jul-2021: Upon internal review on 16-Sep-2022, non-significant correction was performed to update case received from field.; Sender's Comments: Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.