intractable migraines; exertion headaches; describes it as lingering headache especially after the 2nd dose/feels like brain freeze from cold drink or an ice cream; This spontaneous case was reported by a consumer and describes the occurrence of MIGRAINE (intractable migraines), EXERTIONAL HEADACHE (exertion headaches) and HEADACHE (describes it as lingering headache especially after the 2nd dose/feels like brain freeze from cold drink or an ice cream) in a 70-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 011L20A) for COVID-19 vaccination.     The patient's past medical history included Bronchitis. Previously administered products included for Product used for unknown indication: herpes zooster (Patient had fever of 102 degrees F, nauseam chills and 24 hour headache.) in 2019. Past adverse reactions to the above products included Fever with herpes zooster. Concurrent medical conditions included Rheumatoid arthritis, Drug allergy (Sulfa-drugs), Gluten intolerance and FODMAP diet. Concomitant products included CHARCOAL, ACTIVATED (ACTIVATED CHARCOAL) for Stomachache, HYDROCORTISONE, NABUMETONE, TRAMADOL, PARACETAMOL (TYLENOL 8 HOUR), FAMOTIDINE, ESTRADIOL (VAGIFEM), MOMETASONE FUROATE (FLONASE [MOMETASONE FUROATE]), OLMESARTAN MEDOXOMIL (BENICAR), MONTELUKAST SODIUM (SINGULAIR), SUMATRIPTAN (IMITREX [SUMATRIPTAN]), SODIUM CHLORIDE (MURO 128), CICLOSPORIN (RESTASIS), LORATADINE (CLARITINE), SODIUM FLUORIDE (PREVIDENT 5000 SENSITIVE), SALBUTAMOL SULFATE (PROAIR HFA), METHOTREXATE, CALCIUM FOLINATE (LEUCOVORINE), ADALIMUMAB (HUMIRA), MULTIVITAMINS [VITAMINS NOS], L-LYSINE [LYSINE], GLUTATHIONE, VITAMIN D3, GLUCOSAMINE SULFATE, MONOLAURIN [GLYCERINE MONOLAURATE], LYSOZYME HYDROCHLORIDE (LYZYME), UBIQUINOL (UBIQUINOL CO Q10), PROBIOTICS NOS, ADRENAL GLAND, ASCORBIC ACID, CALCIUM CARBONATE, CALCIUM PANTOTHENATE (CORTOL ACE), N-ACETYLCYSTEINE, CURCUMA LONGA RHIZOME (MERIVA 500 SF), ASCORBIC ACID, PYRROLOQUINOLINE QUINONE, TOCOPHEROL (PQQ), CHOLINE, CALCIUM CITRATE and MAGNESIUM ASPARTATE for an unknown indication, FISH OIL and VITAMIN K2 [MENAQUINONE].    On 27-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On an unknown date, the patient experienced MIGRAINE (intractable migraines), EXERTIONAL HEADACHE (exertion headaches) and HEADACHE (describes it as lingering headache especially after the 2nd dose/feels like brain freeze from cold drink or an ice cream). At the time of the report, MIGRAINE (intractable migraines), EXERTIONAL HEADACHE (exertion headaches) and HEADACHE (describes it as lingering headache especially after the 2nd dose/feels like brain freeze from cold drink or an ice cream) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   List of Allergies and consequences: Oral and injectable gold  (Mouth ulcers), Indocin (Elevated LFTs), Feldene (Rash and itching), Voltaren same, Tetracycline (Pain on swallowing), Bactrim (felt very sick), Ceftin (Itching), Sulfa-drugs (Felt sick), Flagyl (Nausea) could take children's' dose, Nexium (Joint pain), Benicar (anything over 5mg puts her to sleep), Levofloxacin (Chest pain and stiffness), Valsartan (red swollen joints in hands and hand pain), Clindamycin and Ibuprofen (Itching on side of face, nerve reaction from Novocain), Dermatitis allergy to Balsam of Peru, Nickel sulfate, propylene glycol, triclosan. Cytozyme AD, Temecula vitamin AERDS-2 formula, 5-MTHF 5mg, herbal formula for hairloss- Pheshouwusoti QD,  Astrovera- menopause- Rhubarb, Czyme forte- selenium, GTA thyroid supplement, Jade windscreen- herbal tincture for covid concomitant medications were reported. No treatment information was provided.   This case was linked to MOD-2021-276481 (Patient Link).