Hay fever; intense headache; nausea; muscle ache; felt wiped out; fatigue; sore left arm; This is a spontaneous report received from contactable reporter (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 65 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 04Mar2021 08:30 (Lot number: EN6198) at the age of 65 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "Hay fever" (ongoing), notes: Verbatim: Hay fever. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Product: COVID-19 Vaccine, Administered date: 11Feb2021, Administered time: 08:30 AM, Vaccine administered location: Left Arm, Lot number: EN9581), administration date: 11Feb2021, when the patient was 65 years old, for Covid-19 immunisation. The following information was reported: HEADACHE (non-serious) with onset 07Mar2021, outcome "not recovered", described as "intense headache"; NAUSEA (non-serious) with onset 07Mar2021, outcome "recovering", described as "nausea"; FATIGUE (non-serious) with onset 04Mar2021, outcome "recovered" (06Mar2021), described as "fatigue"; LIMB DISCOMFORT (non-serious) with onset 04Mar2021, outcome "recovered" (05Mar2021), described as "sore left arm"; MYALGIA (non-serious) with onset 05Mar2021, outcome "recovered" (06Mar2021), described as "muscle ache"; FATIGUE (non-serious) with onset 05Mar2021, outcome "recovered" (06Mar2021), described as "felt wiped out"; SEASONAL ALLERGY (non-serious), outcome "not recovered", described as "Hay fever". Therapeutic measures were taken as a result of headache, nausea.  Additional information: The patient did not visit to Emergency Room or Physician Office. Prior Vaccinations (within 4 weeks): None. Caller states I was told to take Tylenol after receiving the vaccine but no Aleve or medication that suppresses the immune system. Reported she had horrible hay fever. She said she got an allergy test a couple years ago, and the allergy doctor was shocked on how she responded to the allergy test. Reported she received her second Pfizer COVID-19 Vaccine on 04Mar2021, and had lingering side effects. She said she wanted to make sure her lingering side effects were due to the second COVID-19 Vaccine, and wanted to know how long the side effects will last. She said she has not been able to go back to work because of her lingering side effects. She said her main symptom was intense headache and moderate nausea. She clarified the first day (04Mar2021) she had fatigue and a sore arm after receiving the COVID-19 Vaccine. She said the next day (05Mar2021) she had muscle aches, and felt wiped out. She said she was fine with those side effects and expected that after getting the COVID-19 Vaccine. She said on Saturday (06Mar2021), she still had fatigue, but no nausea or headache. She said on Saturday (06Mar2021) her muscle aches and feeling wiped out went away. She said on Sunday (07Mar2021), she had nausea all day. She said Sunday (07Mar2021) into Monday (08Mar2021), her headache started. Treatment: Reported she was taking prescription Tylenol, clarified as Acetaminophen 325mg tablets dispensed in a pharmacy bottle. She said she took 2 Acetaminophen 325mg tablets at a time. She said since 07Mar2021 to today (09Mar2021), she had taken a total of 4 doses of 2 Acetaminophen 325mg tablets. She said there was no NDC, Lot, and Expiration Date listed on the prescription label. She said the Acetaminophen 325mg manufacturer was listed as Major Pharmaceuticals. Reported her first COVID-19 Vaccine dose was administered on 11Feb2021 at 08:30AM in her left arm, providing Pfizer Lot Number: EN9581. She said there was no Pfizer NDC and Expiration Date listed. She said her second COVID-19 Vaccine was administered on 04Mar2021 at 08:30AM in her left arm, providing Pfizer Lot Number: EN6198. She said there was no Pfizer NDC and Expiration Date listed on her COVID-19 Vaccination Card. Reported she had a theory as to what she was experiencing after her second COVID-19 Vaccine. She said she had horrible hay fever, and got an allergy test a couple years ago. She said the allergy doctor was shocked on how she responded to the allergy test. She said she knows an allergy was an overreaction in the immune system. She said she was wondering if her immune system was overreacting to the second COVID-19 Vaccine. Reported she had been taking an over-the-counter allergy medicine, as needed, for her allergy. She said she had been taking the over-the-counter allergy medicine for a long time. No further details provided. Reported she had full blood work for a physical in Dec2020, and everything was normal. No further details provided. Reported she had been very careful to take only the Acetaminophen after her second COVID-19 Vaccine. The caller asked the Pfizer DSU agent if she can take her allergy medicine. The caller was advised that Pfizer does not provide medical advice, and she should contact her doctor to discuss her question further.  No follow-up attempts are possible. No further information is expected.