This is a spontaneous report from a contactable consumer (patient).   A 65-years-old female patient received second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot number ER8727, Expiry date: unknown), via an unspecified route of administration, administered in Arm Left on 30Mar2021 at 15:30 (at the age of 65-year-old) as single dose for COVID-19 immunisation. The patient's medical history and concomitant medications not reported. The patient previously took BNT162B2 for COVID-19 immunisation and experienced pain in extremity, prednisone [prednisone acetate]. The patient had an allergy to grass, pollen, trees. No prior vaccinations (within 4 weeks). On an unspecified date, the patient experienced headache. On 31Mar2021, the patient experienced head congestion, drainage, coughing. The patient underwent lab tests and procedures which included cardiac stress test: everything looked good, sars-cov-2 test: negative. Patient had performed stress test was normal. States patient has also taken Prednisone. The outcome of event headache was unknown, the outcome of event head congestion, drainage and coughing was not recovered.  Description of Product Complaint: Description of complaint: Vaccine Supplemental Form completed in additional context. States when she woke up Wednesday morning the day after the 2nd dose of the Pfizer Vaccine, she had a lot of congestion, drainage and was coughing; States her sister is a nurse and thought maybe she can't do that because the vaccine might make it less effective so she is trying to find out if possibly she could just be reacting to the Pfizer shot or if it is allergies. When she gets symptoms like this she sometimes gets what they call an allergy booster shot; states she has no name of the allergy booster shot, lot number or expiry date to provide and states she hasn't had an allergy booster shot in quite a while since August or September 2020. States she has also taken Prednisone before but has not taken that either since around that same time last year and has no lot numbers to provide for Prednisone. States she is taking over the counter things like the generic of Zyrtec which is the store brand and states she does not know the lot number but as taken it twice per day in the morning and night per her HCP because of her allergy issues and has to grab her glasses and states the lot is 1AE2591C with expiry date Oct2022 and no UPC which may be on the box but the box has been discarded; states the store brand has a number of 4H2752EF7. Caller states she uses a prescription nose spray called Fludacazone Cionate and it is generic for Flonase; does 50mcg two sprays each nostril twice per day with lot from box RP2910 with expiry Mar2023 and does not see anything that says is the NDC.  Takes another Chloratrimaton which is the generic called Wallfinate Chloraminemaleate with lot P122924 expiry date Nov2023; states she does not always take it this way but takes it morning and night usually sometimes every 4 hours. DSU Potential Duplicate AE Report E transmit - Patient already spoke to DSU and was transferred to us.  Follow-up (02Apr2021): This is a Follow-up spontaneous report from a contactable consumer. This consumer (Patient) reported that: Is there a Product Complaint: Yes.  No follow-up attempts are possible. No further information is expected.