Pale and shaky; Pale and shaky; Blood pressure bottomed out; Heart was racing, her heart was beating really hard/pounding chest; Weakness; Fast heartbeat/Pounding chest; Lightheadedness; Insomnia; The initial case was missing the following minimum criteria: no adverse effect. Upon receipt of follow-up information on 10Mar2021, this case now contains all required information to be considered valid. This is a spontaneous report from a Pfizer-sponsored program. A contactable consumer (patient reported).  A 63-year-old female received dose 1 of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE) Lot number EL9262 at unspecified route in left arm on 08Mar2021 11:30 as a single dose (at the age of 63 years) at for COVID-19 immunisation.  Medical history included iodine allergy from an unknown date and unknown if ongoing severe allergy , drug hypersensitivity from an unknown date and unknown if ongoing severe allergy , dysphagia from an unknown date and unknown if ongoing , ongoing Sjogren's syndrome diagnosed 33 years ago , ongoing systemic lupus erythematosus diagnosed 3 years ago , ongoing headache , ongoing intervertebral disc degeneration  diagnosed with this about 15 years ago , ongoing fibromyalgia  diagnosed 10 years ago , Meniere's disease from an unknown date and unknown if ongoing , supplementation therapy from an unknown date and unknown if ongoing Vitamin c (Verbatim): recommended by dentist bone health and teeth. Concomitant medications included vitamin c [ascorbic acid] (VITAMIN C [ASCORBIC ACID]) taken for supplementation therapy from 2020 and ongoing; vitamin d3 (VITAMIN D3) taken for hypovitaminosis from 2019 and ongoing; cyanocobalamin (VITAMIN B12 [CYANOCOBALAMIN]) taken for hypovitaminosis from Apr2020 and ongoing; timolol (TIMOLOL) taken for glaucoma from 2011 and ongoing; alprazolam (XANAX) taken for anxiety from an unspecified start date and ongoing; omeprazole (OMEPRAZOLE) taken for dyspepsia from an unspecified start date and ongoing; cyclobenzaprine hydrochloride (FLEXERIL [CYCLOBENZAPRINE HYDROCHLORIDE]) taken for fibromyalgia from an unspecified start date and ongoing; cetirizine hydrochloride (GENERIC ZYRTEC) taken for hypersensitivity from 2011 and ongoing; atorvastatin (ATORVASTATIN) taken for blood cholesterol from an unspecified start date and ongoing; olanzapine (OLANZAPINE) taken for bipolar disorder from an unspecified start date and ongoing; docusate sodium (COLACE) taken for constipation from an unspecified start date and ongoing; lactulose (GENERLAC) taken for constipation from 2018 and ongoing; acetaminophen (TYLENOL GENERIC) taken for headache, start and stop date were not reported; aspirin [acetylsalicylic acid] (ASPIRIN [ACETYLSALICYLIC ACID]) taken for an unspecified indication from an unspecified start date and ongoing; tramadol (TRAMADOL) taken for intervertebral disc degeneration, headache from Dec2020 and ongoing; triamcinolone diacetate (TRIAMCINOLONE [TRIAMCINOLONE DIACETATE]) taken for rash from 2018 and ongoing; meclizine hydrochloride (MECLIZINE HYDROCHLORIDE) taken for dizziness, start and stop date were not reported.  The patient experienced heart was racing, her heart was beating really hard/pounding chest on 08Mar2021 with outcome of recovered , pale and shaky on 09Mar2021 with outcome of recovered  weakness on 08Mar2021 with outcome of recovered , fast heartbeat/pounding chest on 08Mar2021 with outcome of recovered , lightheadedness on 08Mar2021 with outcome of recovered , insomnia on 08Mar2021 with outcome of unknown , blood pressure bottomed out on 09Mar2021 with outcome of unknown.  The patient underwent lab tests and procedures which included blood pressure measurement: 'bottomed out' on unspecified date 09Mar2021, heart rate: 95, heart rate: 98-101, heart rate: fast.  Therapeutic measures were taken as a result of , insomnia. No vaccines administered on same date with the Pfizer vaccine.  No vaccinations within four weeks prior to the first administration date.  No ER visit or physician office visit reported.