I developed hives on my elbow; Tired the next day; Soreness in arm; It has returned to both my arms and legs above the knee, and it is light red and it itches.; Chills; Disappear a bit then the area becomes light red or like dark pink; This is a spontaneous report from a contactable consumer or other non hcp. A 77-years-old female patient received (BNT162B2) PFIZER-BIONTECH COVID-19 VACCINE, dose 2 (Lot Number: ER8732 expiry date was unknown) via an unspecified route of administration on 24Mar2021 (at the age of 77-years-old) as dose 2 single for covid-19 immunisation. Medical history included hypothyroidism from an unknown date and unknown if ongoing, glaucoma from an unknown date and unknown if ongoing. Concomitant Products (s) included levothyroxine sodium (SYNTHROID) taken for hypothyroidism, start and stop date were not reported; latanoprost (LATANOPROST) taken for glaucoma, start and stop date were not reported; Consumer stated, "she takes eye drops, they are Dorzolamide-Timolol, it does not say but she put 1 drop in each eye in morning and evening and Brimonidine-Tartrate Ophthalmic solution 0.2% (Units were not appropriately clarified, hence not captured in tab); dorzolamide hydrochloride, timolol maleate (TIMOLOL + DORZOLAMIDA ACTAVIS) taken for an unspecified indication, start and stop date were not reported. LOT# and expiration date (First dose): Consumer stated, "That was written on it, and it was really hard to read, it says Pfizer, then it looks like EN6205." Question: When you get side effects like these, does it mean the vaccine didn't work or is it working?. Response: Disclaimer provided. She asked is the vaccine working if she didn't have any side effects?. If a vaccine does not cause any side effects, to our knowledge, this is not related to the dose being less effective than what would be expected in a patient who did have side effects. Historical vaccine dose 1 BNT162B2 (LOT#: EN6205 expiry date was unknown) via unspecified route of administration on an unspecified date as dose 1 single for COID-19 immunisation. Consumer stated, she received her second Pfizer vaccine on 24Mar2021 Wednesday and yesterday at about noon she developed, it was like hives on her arms and leg and she took cotton pad and put some alcohol on it and wipe them because they itch, they maybe 3-4 hours they disappear but later in evening it came back worse and both her arms and her legs above her knees in the back are splotchy and it itches real bad it looks like a hive that after a while disappear a bit then the area becomes light red or like dark pink. When paraphrased the above concern, consumer stated, "So then about four days, she didn't have any symptoms after the first one and she didn't have any symptoms from the second one until 4 days later and she do not know if this was from the vaccine." Consumer added, "When she read the side effects, this was listed as one of them. She will give them a call right now and see what they have to say but it itches, and she have the chills too but she normally on the cold side and she have the chills, but it seems a little more severe now. Consumer stated, no treatment was given. Outcome of the events pain in extremity, fatigue, pruritus, chills, erythema was unknown, urticaria, was not recovered