Complete brain fog for an entire day; Sore arm; This is a spontaneous report from a contactable consumer (patient herself). A 60-year-old female patient received BNT162b2 (PFIZER BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot number- EL3248, Expiration Date- 30Jan2021) via an unspecified route of administration in left arm on 30Jan2021 as dose 1, single (at the age of 60-years-old) and received BNT162b2 (PFIZER BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot number- EM9809) via an unspecified route of administration in left arm on 20Feb2021 as dose 2, single for COVID-19 immunization. Patient medical history included high blood pressure, diagnosed 20 something maybe 30 years ago, underactive thyroid, diagnosed 20 something maybe 30 years ago. The concomitant medications included atenolol at a dose of 25 mg and 75 mg taken for high blood pressure, patient started taking it years ago, levothyroxine at a dose of 0.075 taken for underactive thyroid, taking since 20 years ago, fish oil. Vaccination facility type was reported as hospital. Vaccine was not administered at Military Facility. Patient stated that she received the vaccine on 01Feb2021 and 20Feb2021. She was having abdominal pain and she did not know if that was related. She was also having very high blood pressure and palpitations. She felt like she was having neuro symptoms in her head, like she was having a stroke. The reason she went to the emergency room was she felt like her blood pressure was very high, and it was extremely high, they had to bring it down with a beta blocker. She reports that after, she was unable to get her blood pressure under control. She was on blood pressure medication prior to this but her blood pressure was under control, it then became uncontrolled. She had to start seeing a Cardiologist. She reported having extreme anxiety, since all of this happened, she had become an extremely anxious person. She reported her D-dimer was high. She stated that due to SOB and pulse ox and all, he did CAT scan to determine if she had pulmonary embolism, she did not. She stated her D-dimer was still high so he changed blood pressure medicines, increasing and manipulating them. Now she felt her blood pressure was under control. She was perfectly fine until she took the vaccine. The real issue was neuro symptoms. Her feet had gone numb, she has tingling in her feet, fingers, face, arms, legs, and head. She has a nerve conduction test on 12Jul2021 (as reported). She hoped that will show some things on the status of her nerves. She did not know where all of this came from as she was perfectly fine before the vaccine.  She went through a bout of extreme anxiety, which she was a little better from now. Waking up in the morning felt like the petal was to the metal, felt everything is revved up.  She could not control that, that went on for awhile. She tried different antidepressants which did not work. Since she has gotten off these she feels a little bit better now. The main reasons she was calling were for the cardiology, neurology, and anxiety issues. These are the adverse reactions she has had since the vaccine. She mentioned she still had to work and her feet and legs were not the best. She reported they put her on gabapentin, a nerve drug and it was helping her nerve problem. It was explained, regarding her blood pressure, the beta blockers worked to bring her blood pressure down. The cardiologist had manipulated her medications, increased them, and that had brought her blood pressure under control. She tried 2 antidepressants for extreme anxiety and that did not help, it made it worse. Since she got off of them she had improved. She still had it but it is not as bad as it was. She was on blood pressure medication and also on thyroid medication. Patient did not have a blood clot in her lung. She reported that after receiving the second dose she was sick with had fever, shaking, chills and flu-like symptoms and fogginess in the head.  On an unspecified date in 2021, after the first dose she had total and complete brain fog for an entire day, also she had a sore arm. She stated for the neuro symptoms she woke up, put her feet over the  side of the bed and could not feel her heels. Description of complaint included she was on blood pressure medication prior to this but her blood pressure was under control, it then became uncontrolled after the vaccine. She stated she was taking atenolol. She tried 2 antidepressants and that did not help, it made it worse. Since she got off of them she had improved. She still had anxiety but it was not as bad as it was. No additional information was provided regarding this statement. The outcome of the events was unknown.   Information on Lot/Batch number was available. Additional information has been requested.