This spontaneous case was reported by a patient and describes the occurrence of PALPITATIONS (Heart racing), FEELING ABNORMAL (Brain fog), ANXIETY (Massive anxiety/anxiety), DIZZINESS (Nausea and dizziness) and DEPRESSION (Depression) in a 47-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 025B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.  Concurrent medical conditions included Seasonal allergy, Drug allergy (Sulfa drugs), Allergy to antibiotic (Keflex), Allergy to antibiotic (Ciprofloxacin) and Migraine with aura. Concomitant products included MULTIVITAMINS [VITAMINS NOS] and PROBIOTICS NOS for an unknown indication. On 05-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 06-Apr-2021, the patient experienced PALPITATIONS (Heart racing), ANXIETY (Massive anxiety/anxiety), TINNITUS (Tinnitus (ringing of ears)/loud ringing in ear/ringing more in right ear), FATIGUE (Felt exhausted/increased exhaustion/extreme fatigue) and MYALGIA (Sore arm). On 10-Apr-2021, the patient experienced FEELING ABNORMAL (Brain fog), DIZZINESS (Nausea and dizziness), DEPRESSION (Depression), WEIGHT DECREASED (Lost about 5-7 lbs), HYPOACUSIS (Slight hearing loss), EAR DISCOMFORT (Fullness and pressure on my ear/ear fullness) and NAUSEA (Nausea and dizziness). On 12-Apr-2021, the patient experienced VERTIGO (Vertigo). On 26-Apr-2021, the patient experienced NIGHT SWEATS (One night drenched in sweat) and MIGRAINE (Severe ocular aura more than before/almost daily migraines). In June 2021, the patient experienced INTENTIONAL DOSE OMISSION (Did not take shot #2). The patient was treated with FLUTICASONE PROPIONATE (FLONASE [FLUTICASONE PROPIONATE]) at a dose of 1 dosage form and MECLIZINE HCL at a dose of 1 dosage form. In June 2021, INTENTIONAL DOSE OMISSION (Did not take shot #2) had resolved. At the time of the report, PALPITATIONS (Heart racing) had not resolved, FEELING ABNORMAL (Brain fog), ANXIETY (Massive anxiety/anxiety), DIZZINESS (Nausea and dizziness), DEPRESSION (Depression), NIGHT SWEATS (One night drenched in sweat), MIGRAINE (Severe ocular aura more than before/almost daily migraines), WEIGHT DECREASED (Lost about 5-7 lbs), HYPOACUSIS (Slight hearing loss), FATIGUE (Felt exhausted/increased exhaustion/extreme fatigue), NAUSEA (Nausea and dizziness) and MYALGIA (Sore arm) outcome was unknown and TINNITUS (Tinnitus (ringing of ears)/loud ringing in ear/ringing more in right ear), EAR DISCOMFORT (Fullness and pressure on my ear/ear fullness) and VERTIGO (Vertigo) had resolved. DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In June 2021, Blood pressure measurement: 80-85 (High) High in the mornings when checked as opposed to prior to vaccine (which was 60). The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown. Treatment information also mentioned patient started acupuncture which has helped alleviate symptoms. Patient reports she still finds her heart racing at night and will be scheduling an echocardiogram to check it out. All other symptoms in check and that she did not take dose #2. Most recent FOLLOW-UP information incorporated above includes: On 26-Jun-2021: Additional information added on 26-Jun-2021 contains significant information. Added history and events to case. Timelines for the events updated and entered. Dosage information added as patient did not take second dose.