hot flashes; a little bit of a cough; a little heaviness/ out of breath sensation in the neck; a little heaviness/ out of breath sensation in the neck; Feel better; right shoulder and upper arm hurt; has not been feeling well; not wanting to eat; chills; feverish; muscle aches; muscle cramping; stomach cramping; diarrhea; migraine; headache/ constant headaches; soreness; This is a spontaneous report from a contactable consumer (patient). A 54-years-old female patient received first dose BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot number and Expiry date was not reported), via an unspecified route of administration on 11Apr2021 as dose 1, single for COVID-19 immunization. The patient medical history and concomitant medication(s) was not reported. The patient experienced soreness on 12Apr2021, headache/constant headaches on 13Apr2021 and 15Apr2021, migraine on 14Apr2021, generally not feeling well, not wanting to eat, chills and feverish, muscle aches, muscle cramping, stomach cramping and diarrhea on 16Apr2021 this lasted the rest of the weekend, on 20Apr2021 she started to feel better, right shoulder and upper arm hurt, but got vaccine on left side, she experienced a major migraine again on 23Apr2021, on 25Apr2021 she developed a little bit of a cough, and having a little heaviness/out of breath sensation in the neck and it triggers a cough. She had no difficulty breathing or swelling of the face and throat, but generally not feeling well. she still feels "like crap, she has been experiencing severe diarrhea for 10 days and having hot flashes on 26Apr2021. The patient was asking how long will this last she does not want to receive the second dose of the vaccine. She had a side effect after the first dose of the vaccine, The patient was asking should I get the second dose, Will this ever end. It was reported that, the patient received a response from the Pfizer team as per PI Sections 6.2 Post Authorization Experience and Study 2 Frequency and Percentages of Participants with Solicited Systemic Reactions, by Maximum Severity, Within 7 Days After Each Dose Participants 18-55 Years of Age Safety Population. The patient should not get the Pfizer-BioNTech COVID-19 Vaccine if you had a severe allergic reaction after a previous dose of the vaccine or if you had a severe allergic reaction to any ingredient of the vaccine. The decision to receive the second dose for any other reason cannot be made by Pfizer. The patient healthcare provider knows your health situation better and has access to information that can better help inform this decision. The patient underwent lab tests and procedures which included sars-cov-2 antibody test negative on 19Apr2021 and also reported she thought she may have Covid but had a negative covid test. Therapeutic measures were taken as a result of migraine the patient took 2 Tylenol but did not work. She called her doctor on 23rd, they advised not to take 2 Excedrin, and was told to take two Advil and two Tylenol. She has been experiencing severe diarrhea for 10 days and having hot flashes. Her doctor suggested bland diet, and Immodium AD but isn't helping on 26Apr2021. The outcome of the events was unknown.   No follow-up attempts are needed. No further information is expected.