Headache; Thirst; Sore Arm; I had the J&J vaccine in Mar2021; On 28May I had the first Pfizer dose. On 22Jul I have just received my second dose of Pfizer; I had the Johnson and Johnson vaccine in Mar2021; On 28May I had the first Pfizer dose. On 22Jul I have just received my second dose of Pfizer; I had the J&J vaccine in Mar2021; On 28May I had the first Pfizer dose. On 22Jul I have just received my second dose of Pfizer; This is a spontaneous report from a contactable consumer (patient) from Pfizer forwarded as an Adverse Event on 23Jul2021.   A 52-years-old patient of unspecified gender received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection; Lot number EW0179, expiration date: Aug2021), via intramuscular route of administration, administered in left arm on 28May2021 (After 12PM) (at the age of 52-years-old) as dose 2, initial Pfizer dose, single and (Lot number FA6780), via intramuscular route of administration, administered in left arm on 22Jul2021 (After 12 PM) as dose 3, single for covid-19 immunisation. Medical history included asthma from 1980 to ongoing, anxiety from 2018 to ongoing. Family history included high blood pressure (father), Type 2 diabetics (mother) and hypertension (mother). Prior to vaccinations, no medication received within 4 weeks. Concomitant medications included escitalopram oxalate (LEXAPRO) for anxiety, albuteral for asthma, cetirizine hydrochloride (ZYRTEC) for asthma and allergies and multivitamin (MANUFACTURER UNKNOWN), all from an unspecified date and ongoing, ibuprofen (MANUFACTURER UNKNOWN) to ease pain, from an unspecified date and unknown if ongoing. Patient took historical vaccine Janssen covid-19 vaccine (J&J, Lot number 1805025) via an unspecified route of administration from 05Mar2021 at dose 1, single for covid-19 immunisation. It was reported that the patient had the J&J vaccine in 05Mar2021. Patient family members all had Pfizer. Patient did not want to take a chance that, would bring home a strain to patient kids because J and J covers a different variant. On 28May2021 the patient had the first Pfizer dose. On 22Jul2021 the patient has just received the second dose of Pfizer; on an unknown date. On 13Sep2021, it was reported that, patient had sore arm, thirst on 23Jul2021 and headache on 24Jul2021. The patient underwent laboratory data and procedures which included Covid 19 with result negative (Headache, Sore throat, stomach. Employer set me for test) on 14Apr2021 and negative (Around parent of Kid who tested positive) on 31Jul2021. The outcome of events sore arm, thirst and headache was unknown.  Information on the lot/batch number has been requested.  Follow-up (09Sep2021): 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 completed. No further information is expected.  Follow-up (13Sep2021): New information received from a contactable consumer. This consumer reported in response to non-HCP letter sent that included: medical history, suspect information (lot number, expiry date, route, anatomical location), new events (sore arm, thirst and headache), new concomitant (escitalopram oxalate (LEXAPRO), Albuteral, cetirizine hydrochloride (ZYRTEC), ibuprofen and multivitamin), laboratory data.  Follow-up attempts are completed. No further information is expected.