Vaccine hit her so bad; she immediately couldn't breathe right away, mentioning it was overwhelming; Feeling sick/so sick; Whole body was shaking like muscles giving out; Feeling lightheaded; Extreme and odd pain all over the body; Right arm pain; Developed a headache; Headache turned into and was diagnosed as a hemiplegic migraine; This spontaneous case was reported by a consumer and describes the occurrence of DYSPNOEA (she immediately couldn't breathe right away, mentioning it was overwhelming), MALAISE (Feeling sick/so sick), TREMOR (Whole body was shaking like muscles giving out), VACCINATION COMPLICATION (Vaccine hit her so bad) and HEMIPLEGIC MIGRAINE (Headache turned into and was diagnosed as a hemiplegic migraine) in a 47-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 027A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Migraine (All types of migraines), Trigeminal neuralgia (b1,b2,b3), Solar urticaria, Stomach ulcer haemorrhage (Bleeding stomach ulcers), MTHFR gene mutation and COVID-19 (Nov/Dec 2019 that lasted for 3 months, treated at hospital and given oxygen and stated still not fully recovered). Concurrent medical conditions included Atrial fibrillation, Heart disease, unspecified, Type 2 diabetes mellitus, Fibromyalgia, Drug allergy (haldol), Drug allergy (tramadol), Drug allergy (indomethacin), Latex allergy, Drug allergy (cillins), Drug allergy (hydrocodone), Allergy to antibiotic (cephalexin), Drug allergy (promethazine), Drug allergy (vanlafaxine), Caffeine allergy, Allergy to plants (Lavender allergy) and Sun sensitivity. Concomitant products included LEVOTHYROXINE, SIMVASTATIN, VITAMIN D [VITAMIN D NOS], FISH OIL (OMEGA 3 [FISH OIL]), PANTOPRAZOLE, DIGOXIN, METOPROLOL, METFORMIN, BUTALBITAL;CAFFEINE;CODEINE;PARACETAMOL, DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]), IBUPROFEN, PARACETAMOL (TYLENOL [PARACETAMOL]), MECLIZINE [MECLOZINE], POTASSIUM, FUROSEMIDE and GLYCERYL TRINITRATE (NITROSTAT) 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 04-Mar-2021, the patient experienced DYSPNOEA (she immediately couldn't breathe right away, mentioning it was overwhelming), MALAISE (Feeling sick/so sick), TREMOR (Whole body was shaking like muscles giving out), DIZZINESS (Feeling lightheaded), MYALGIA (Extreme and odd pain all over the body), VACCINATION SITE PAIN (Right arm pain) and HEADACHE (Developed a headache). On an unknown date, the patient experienced VACCINATION COMPLICATION (Vaccine hit her so bad) and HEMIPLEGIC MIGRAINE (Headache turned into and was diagnosed as a hemiplegic migraine). The patient was treated with PREDNISONE for Migraine and Pain, at an unspecified dose and frequency. At the time of the report, DYSPNOEA (she immediately couldn't breathe right away, mentioning it was overwhelming), MALAISE (Feeling sick/so sick), TREMOR (Whole body was shaking like muscles giving out), VACCINATION COMPLICATION (Vaccine hit her so bad), DIZZINESS (Feeling lightheaded), MYALGIA (Extreme and odd pain all over the body), VACCINATION SITE PAIN (Right arm pain) and HEADACHE (Developed a headache) outcome was unknown and HEMIPLEGIC MIGRAINE (Headache turned into and was diagnosed as a hemiplegic migraine) had resolved.        mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosing remained unchanged.       Patient reported it was possibly related to fibromyalgia (recently diagnosed). She stated the headache turned into and was diagnosed as a hemiplegic migraine (she mentioned she did not often get this type of headache). She stated the emergency room ruled out a stroke.   This case was linked to MOD-2021-422331, MOD-2021-422324 (Patient Link).