potential anaphylactic reaction; Rash/He has the rash all over his body; Dry skin; Itching; This is a spontaneous report from a contactable consumer (Patient). This 83-year-old male consumer received bnt162b2 (BNT162B2, Pfizer-BioNTech Covid-19 mRNA Vaccine, Solution for injection, Batch/Lot number was not reported), dose 1 via an unspecified route of administration, administered in Arm Left on 05Feb2021 10:30 as DOSE 1, SINGLE for covid-19 immunisation (Age at vaccination 83 years). Medical history included ongoing plasma cell myeloma Was diagnosed 11 years ago; not on any medications or anything for it. Just has blood checked 2 times a year for it. Historical vaccine includes Flu shot and shingles shot did not have any issues after that. No prior vaccinations within 4 weeks. History of all previous immunizations with the Pfizer vaccine considered as suspect wasone, this was the first dose. Additional vaccines administered on the same date as the Pfizer Suspect was none. Patient did not receive any recent vaccines for SARS-CoV2 other than Pfizer-BioNTech COVID-19 Vaccine prior to the event being reported. Concomitant medication(s) included chondroitin sulfate sodium, glucosamine hydrochloride, sodium (GLUCOSAMINE CHONDROITIN [CHONDROITIN SULFATE SODIUM;GLUCOSAMINE HYDROCHLORIDE;SODIUM]); ferrous sulfate (FERROUS SULFATE); magnesium oxide (MAGNESIUM OXIDE); lisinopril (LISINOPRIL); timolol maleate (TIMOLOL [TIMOLOL MALEATE]), multivitamins. On Feb2021 patient experienced rash/he has the rash all over his body, dry skin, itching, potential anaphylactic reaction. He thought he had dry skin and an itch, but he later found out it is a rash. He called the dermatologist to make an appointment. He is wondering if should continue with that appointment. He stated he did not completely read the papers he was provided after getting the vaccine and they mentioned things about a rash. He wants to know if it would be good to go see a dermatologist for the rash. He has an appointment scheduled for this afternoon and wanted to know if he should go. Commented he just got a new primary care doctor. Details in HCP formal field. When probed for start date of dry skin/itch he went on to explain he always has an issue with dry skin. However, after he got the vaccine he thought he was having an episode with dry skin. However, 3-4 days later as mentioned initially he started to notice a rash appear on his back and it is was itching. He contacted the dermatologist before he read fully the paper that was given. The paper was mentioning things if experience a severe allergic reaction such as this rash, which he has all over his body to do several things. He has the rash all over his body. He is calling because he wants to know if it is okay, if he should go to the dermatologist. When probed for Rash time of onset he clarified he noticed it about three days after getting the vaccine. However, he was unable to provide the exact time he noticed it. The papers mentioned noticing after 1 hour, but he did not feel anything 1 hour after getting the vaccine. He is due to go back for the second dose on 25Feb2021. He stated he was not provided with a patient vaccination card or anything like that. Therefore, he is unable to provide a lot/exp/NDC for the COVID 19 Vaccine. The patient underwent lab tests which included blood test: multiple myeloma; blood checked 2 times a year for on Just has blood checked 2 times a year for it. Investigation Assessment no. Events does not require a visit to emergency room. Physicians office- He has not gone yet at time of call, but he has an appointment later today with the Dermatologist for the rash. The outcome for event rash, potential anaphylactic reaction and itching it was recovered on an unspecified date in 2021, however for event dry skin it was unknown.  Information on the lot/batch number has been requested.