This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of FIBROMYALGIA (fibromyalgia flare up), DYSPNOEA (problems breathing), CHEST PAIN (chest pain that hurt to the touch), HYPERTENSION (blood pressure was high) and HEADACHE (headache) in a 23-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 0Z6LZ0A and 032L20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below. The patient's past medical history included Scoliosis, Sleep apnea and Insomnia in February 2015. Concurrent medical conditions included Drug allergy (Morphine), Fruit allergy (Strawberries), Drug allergy (Ultracet), Drug allergy (Valtrex), Allergic reaction to antibiotics (Amoxicillin), Drug allergy (Aspartame), Drug allergy (Medicinal Marijuana), Fibromyalgia since March 2019, Epilepsy since 11-Nov-1997, Bipolar disorder since April 2013 and Osteoarthritis since October 2012. Concomitant products included HYDROXYZINE and BUSPIRONE HYDROCHLORIDE (BUSPAR) for Bipolar disorder, OXCARBAZEPINE (OXTELLAR XR) and LEVOCETIRIZINE DIHYDROCHLORIDE (LEVOCET) for Epilepsy and Bipolar disorder, CELECOXIB (CELEBREX) for Fibromyalgia, TEMAZEPAM for Insomnia, BUTALBITAL, CAFFEINE, PARACETAMOL (FIORICET) for Migraine type headaches, LISDEXAMFETAMINE MESILATE (VYVANSE) and FOLIC ACID for an unknown indication. On 08-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 05-Feb-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 06-Feb-2021, the patient experienced HEADACHE (headache). On 07-Feb-2021,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced FIBROMYALGIA (fibromyalgia flare up), PYREXIA (Fever of 102.8F) and FATIGUE (severe fatigue). On 08-Feb-2021, the patient experienced DYSPNOEA (problems breathing), CHEST PAIN (chest pain that hurt to the touch) and HYPERTENSION (blood pressure was high). The patient was treated with KETOROLAC TROMETHAMINE (TORADOL) for Pain, at an unspecified dose and frequency; ALPRAZOLAM (XANAX) for Heart rate low, at an unspecified dose and frequency and MELOXICAM for Pain, at a dose of 15 mg for 15 days. On 08-Feb-2021, HYPERTENSION (blood pressure was high) had resolved. On 09-Feb-2021, CHEST PAIN (chest pain that hurt to the touch) had resolved. On 10-Feb-2021, FIBROMYALGIA (fibromyalgia flare up) had resolved. At the time of the report, DYSPNOEA (problems breathing) and HEADACHE (headache) outcome was unknown and PYREXIA (Fever of 102.8F) and FATIGUE (severe fatigue) had resolved. DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 07-Feb-2021, Body temperature: 102.8 (Inconclusive) 102.8F. On 09-Feb-2021, Blood pressure measurement: unknown (High) BP high. On 09-Feb-2021, Electrocardiogram: unknown (abnormal) abnormal P wave Emergency room doctor told her fibromyalgia flare ups can happen with vaccine and she has been previously diagnosed with Fibromyalgia. On 09-Feb-2021, Heart rate: 120 (Inconclusive) 120. On an unknown date, SARS-CoV-2 antibody test: unknown (Negative) COVID-19 negative. Multivitamin (in the afternoon), CBD Pills (100mg, 50mg in the morning and 50mg in the afternoon, for Epilepsy), Bacopa Extract (450mg, at night, for Epilepsy),CBD drops (50mg & 83mg, PRN, for Epilepsy & Fibromyalgia) are the other concomitant medications reported by reporter. Most recent FOLLOW-UP information incorporated above includes: On 15-May-2021: Patient demographic details was updated, medical history information was updated, concomitant medications was updated.