heart palpitaion issues; brain fog (brain delay to motor function); swishing sensation in his ear that coincided with his heart beats whenever he would lay down; stomach problems; sleeping disorder that caused him to be able to hear himself whenever he was sleeping; sore arm at the injection site; headache; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of PALPITATIONS (heart palpitaion issues), HYPOKINESIA (brain fog (brain delay to motor function)), TINNITUS (swishing sensation in his ear that coincided with his heart beats whenever he would lay down), ABDOMINAL DISCOMFORT (stomach problems) and SLEEP DISORDER (sleeping disorder that caused him to be able to hear himself whenever he was sleeping) in a 58-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 006B21A and 029A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Asthma, Allergy, Drug allergy (pencillin) and Food allergy (citrus, tomatoes, soy). Concomitant products included MOMETASONE FUROATE for Eczema, FLUTICASONE FUROATE, VILANTEROL TRIFENATATE (BREO ELLIPTA) and ALBUTEROL SULFATE for an unknown indication.   On 04-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 01-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 PALPITATIONS (heart palpitaion issues), HYPOKINESIA (brain fog (brain delay to motor function)), TINNITUS (swishing sensation in his ear that coincided with his heart beats whenever he would lay down), ABDOMINAL DISCOMFORT (stomach problems), SLEEP DISORDER (sleeping disorder that caused him to be able to hear himself whenever he was sleeping), PAIN IN EXTREMITY (sore arm at the injection site) and HEADACHE (headache). The patient was treated with DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) for Allergy, at an unspecified dose and frequency and PARACETAMOL (TYLENOL) for Fever, at an unspecified dose and frequency. At the time of the report, PALPITATIONS (heart palpitaion issues), HYPOKINESIA (brain fog (brain delay to motor function)), TINNITUS (swishing sensation in his ear that coincided with his heart beats whenever he would lay down), ABDOMINAL DISCOMFORT (stomach problems), SLEEP DISORDER (sleeping disorder that caused him to be able to hear himself whenever he was sleeping), PAIN IN EXTREMITY (sore arm at the injection site) and HEADACHE (headache) was resolving.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 26-Mar-2021, Electrocardiogram: normal (normal) normal. On 26-Mar-2021, Full blood count: normal (normal) normal.. On 26-Mar-2021, Urine analysis: normal (normal) normal.         patient was referred to a cardiologist, and an allergist over the phone the next day by my primary physician for follow up.   This case was linked to MOD-2021-092352 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 07-Jun-2021: follow-up received on 7 June 2021.vaccine facility details was updated.medical history was updated.treatment medications was updated.laboratory reports was updated.