Irregular heartbeat; Sporadic twitching in her bones; Nausea; Increase in heart rate; Headaches; horrible headaches arising from her neck, pressure like headache at base of her head; blood Calcium level elevated; Feeling fatigue; This is a spontaneous report from a contactable consumer or other non hcp.   A 78-years-old female patient received bnt162b2 (BNT162B2, Batch/Lot number was not reported), via an unspecified route of administration on 29Mar2021 as DOSE 2, SINGLE for COVID-19 immunisation; abaloparatide (TYMLOS), via subcutaneous route of administration from 11Feb2020 (Batch/Lot Number: RS051A02; Expiration Date: Jul2022) and ongoing, at 80 mg, 1x/day, subcutaneous from 24Feb2021 (Batch/Lot Number: RS061A01; Expiration Date: 31Aug2022) and ongoing, at 80 mg, 1x/day, subcutaneous from 24Feb2021 (Batch/Lot Number: RS061A01; Expiration Date: Jul2022) and ongoing, at 80 mg, 1x/day, subcutaneous from 25Feb2019 (Batch/Lot Number: RT05101; Expiration Date: 30Jun2023) and ongoing, at 80 mg, 1x/day for osteoporosis postmenopausal, osteoporosis, senile osteoporosis. Patient medical history included osteoporosis from 2000 and ongoing , arrhythmia from 2000 and ongoing. Concomitant medications included aspirin [acetylsalicylic acid] (ASPIRIN [ACETYLSALICYLIC ACID]) , calcium citrate (CALCIUM CITRATE), ascorbic acid, biotin, calcium, calcium carbonate, calcium pantothenate, chromium, copper, cyanocobalamin, ergocalciferol, folic acid, iodine, iron, magnesium, manganese, molybdenum, nicotinamide, phosphorus, pyridoxine hydrochloride, retinol, riboflavin, thiamine hydrochloride, tocopheryl acetate, zinc (CENTRUM JR [ASCORBIC ACID;BIOTIN;CALCIUM;CALCIUM CARBONATE;CALCIUM PANTOTHENATE;CHROMIUM;COPPER;CYANOCOBALAMIN;ERGOCALCIFEROL;FOLIC ACID;IODINE;IRON;MAGNESIUM;MANGANESE;MOLYBDENUM;NICOTINAMIDE;PHOSPHORUS;PYRIDOXINE HYDROCHLORIDE;RETINOL;RIBOFLAVIN;TH); collagen (COLLAGEN); magnesium (MAGNESIUM); omeprazole (OMEPRAZOLE); potassium chloride (POTASSIUM CHLORIDE); vitamin c [ascorbic acid] (VITAMIN C [ASCORBIC ACID]); ergocalciferol (VITAMIN D [ERGOCALCIFEROL]); tocopherol (VITAMIN E [TOCOPHEROL]) all concomitant medications taken for an unspecified indication, start and stop date were not reported. The patient previously took bnt162b2 for covid-19 immunisation, levaquin and experienced drug hypersensitivity. on an unspecified date, the patient experienced irregular heartbeat, sporadic twitching in her bones, nausea, increase in heart rate, headaches; horrible headaches arising from her neck, pressure like headache at base of her head. 05Apr2021, patient had feeling fatigue. on Jun2021, patient blood calcium level elevated. The patient underwent lab tests and procedures which included blood calcium was elevated on Jun2021. Therapeutic measures were taken as a result of headaches; horrible headaches arising from her neck, pressure like headache at base of her head (headache). Outcome for events irregular heartbeat, headaches; horrible headaches arising from her neck, pressure like headache at base of her head, had feeling fatigue was not recovered, Outcome of event sporadic twitching in her bones, blood calcium level elevated was unknown, event nausea was recovering, and event increase in heart rate was recovered on an unspecified date.  No follow-up attempts are possible; information about lot/batch number cannot be obtained.