Head is "on fire " with internal heat,the back of her neck is also "on fire"; Skin reaction with a "burning skin" sensation; Constant headaches; Diarrhea; Heat rash on my face like red spot; I started feeling very anxious; I started feeling worse but not terrible but not good; This is a spontaneous report from a contactable consumer (patient).   A female patient of an unspecified age received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot Number: EP7534, NDC number, UPC number and Expiry Date are unknown), via an unspecified route of administration on 18Mar2021 as dose 1, single dose and second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot Number: EW0151) via an unspecified route of administration on 10Apr2021 as dose 2, single dose for covid-19 immunisation. The patient medical history and concomitant medications were not reported. It was reported that her side effects have been present since she received the first dose of the vaccine and until today 7 weeks after she received the second dose of the vaccine, her side effects were not as intense with the first dose of the vaccine, she described the following experience: On an unspecified date in Mar2021, her temperature has not gone up but her head is on fire with internal heat, the back of her neck is also on fire, she has also presented a skin reaction with a burning skin sensation and red spots which made her consult a dermatologist who gave her topical treatment, this fire sensation only finds relief when she puts ice on her neck, the sensation is worst in the morning and gets better at sometimes during the day but then gets worst again, she also reports constant headaches. She started to have these side effects since she received the first dose of the vaccine and still have them today. She also has diarrhea that is worst when she wakes up in the morning and comes and goes during the day. Her skin reactions also get a little bit better during the day but then they get worse again. She has seen several doctors but none of them have been able to provide an answer, she has been referred to different specialists. Patient wanted to know what to do about her side effects. She stated that Pfizer colleagues from India told her that she should call MI to have more information on the safety data related to these lot numbers, She made a report with said colleagues. She stated, I want to report an adverse reaction. It was on 10Apr. I got the second vaccination and I think it was 18Mar, I got the first shot but after the first shot I gradually started to feel very hot internally but no temperature and then came out like a heat rash on her face like red spot on an unspecified date in Mar2021, then she started to feel very hot but again no temperature especially in the morning. The time she got 2nd vaccination she started feeling worse but not terrible but not good on an unspecified date in 2021. She was not sure what it was so she still had taken second vaccination because she didnt think it says you know is to do vaccination and she was obviously not 100% sure but after the 2nd one within 24 hours, she started feeling the internal heat especially in her head, in her back and in her neck. She started feeling very anxious on an unspecified date in 2021. She didnt know what to do. She went to some different doctors you know they will probably help her. She had an appointment to see a neurologist, allergist but this is going away. She asked was there someone also has similar reaction? She added, she does not know what you can do but she was just reporting it because second vaccination (Voice was not audible). She asked are there people having different LOT number has reaction? When probed for treatment for adverse effect, She stated, I didnt really take anything just Advil but not much. She wanted to know if other patients have reported the same side effects that she has been presenting with the Pfizer COVID-19 vaccine, specifically with the batches with the lot numbers that she received. Reporters seriousness for events, I gradually started to feel very hot internally but no temperature, heat rash on my face like red spot, Internal heat specially in my head, in my back and in my neck, I started feeling very anxious, I started feeling worse but not terrible but not good was unspecified. The outcome of all events was not recovered.