booster; my arm swelled; it is all red and it is hot; I have a headache since I got it; I am nervous you know if they gave me something wrong; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) for a Pfizer sponsored program (159558). The reporter is the patient.  A 64 year-old female patient received bnt162b2 (BNT162B2) (Batch/Lot number: unknown) as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Stroke" (unspecified if ongoing), notes: Verbatim: Stroke; "Brain injury" (unspecified if ongoing), notes: Verbatim: Brain injury; "Asthma" (unspecified if ongoing), notes: Verbatim: Asthma. The patient took concomitant medications. Vaccination history included: Bnt162b2 (First dose), when the patient was 64 years old, for Covid-19 immunization; Bnt162b2 (Second dose), when the patient was 64 years old, for Covid-19 immunization. The following information was reported: IMMUNISATION (non-serious), outcome "unknown", described as "booster"; PERIPHERAL SWELLING (non-serious), outcome "unknown", described as "my arm swelled; it is all red and it is hot"; HEADACHE (non-serious), outcome "unknown", described as "I have a headache since I got it"; NERVOUSNESS (non-serious), outcome "unknown", described as "I am nervous you know if they gave me something wrong". Therapeutic measures were taken as a result of immunisation, peripheral swelling, headache, nervousness. Additional information: Report was from a Pfizer sponsored program  Support. Reason for no lot number was as consumer stated that she got Pfizer and she got FH802, she thinks an 8 could not read his writing and it was Walgreens. No Investigation assessment. Consumer called to find out if they gave her the correct dose, because it was the booster shot. Yes, got a booster shot. And it was supposed to be a booster shot now want to make sure they gave me the right thing. That is why she was calling to see if she gave numbers, they will be able to verify that it was a booster shot not the full dose. Consumer was informed about the role of the Pfizer Drug Safety and to contact Medical Information. This was her third shot it was supposed to be the booster and this time her arm swelled and it was all red and it was hot and it did not happened with other 2 Pfizer Shot that was why she was nervous, know if they gave her something wrong (Further Clarifications Unknown hence event captured as per verbatim) at the drug store. Medical history: consumer stated no not that but she still has a headache (Intent: Event), got a headache from it. And wanted to know if she can take a migraine pill (further clarification unknown) for her headache. Have a headache since got it on the 11th. Medication: consumer stated that yes she takes vitamins every day, multivitamins, calcium pills (not clarified), on anti-depressant (further clarifications unknown), on, do not know, on brain medicine (further clarifications unknown) too because she had brain injury (intent: medical history) and had strokes, had brain injury (intent: medical history) so on that medicine that was why she could not take it, got such a headache, want to know if she can take something. Any other vaccination: consumer stated, about 3 weeks ago maybe a month ago she had a flu shot (unspecified shot). No did not take a vaccine, just had a flu shot from a doctor. She said its fine she told can get the booster 2 weeks after the flu shot but waited took a month before she got her booster. Treatment for adverse event: consumer stated, no that was what she wants to ask. Age at time of adverse event: consumer stated, do not know, she was 64 (not clarified) now, at high risk (further clarifications unknown) that was why her doctor recommended it, had brain injury and have asthma (intent: medical history).   No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected. The lot number for the vaccine, [BNT162B2], was not provided and will be requested during follow up. This follow-up is being submitted to notify that the lot/batch number is not available despite the follow-up attempts made. Follow-up attempts have been completed and no further information is expected.