This is a spontaneous report from a contactable consumer or other non-health care professional (patient). A 57-year-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; solution for injection; Lot Number: EW0173), via an unspecified route of administration, administered in arm left on 12Jun2021 10:00 (at the age of 57-year-old) as single dose, for COVID-19 immunization. The medical history included ongoing low blood platelet (this was diagnosed 3 years ago, at least). The patient's concomitant medications were not reported. The patient did not have any other vaccinations within four weeks prior to the first administration date of the suspect vaccine and did not receive additional vaccines administered on same date of the Pfizer vaccine. The patient stated that she saw something on the information the caller was given after receiving the first dose Pfizer Covid Vaccine about if the patient was on a blood thinner or had a blood disorder and she reported low blood platelets. On 13Jun2021, the patient didn't really have any problems besides a sore arm (next day after receiving the first dose Pfizer COVID-19 Vaccine) and got really sick. On 14Jun2021, the patient began to have nausea around midnight today, which was awful but the nausea was kind of improving and still had the nausea; the patient had vomiting began around midnight on the same day, it had been few hours since vomited and patient did not feel very good but it had improved; had vomiting began around midnight and had been a few hours since the patient vomited and she did not feel very good; the patient stated that everything came on at once between midnight and she was referring to chills which was not all the time, just got the chills and goose bumps and the chills have improved, bad headache which she had not felt this way, dizziness which was off and persisting, and muscle pain and thought that it was just stiff neck but it was all over and the muscle pain was the same; the glands under the ears are swollen and really hurt and patient stated that it started later after everything else started, which was right under the ears. The patient stated that patient went to bed fine and woke up just sick (got really sick last night). The patient stayed in bed most of the time. The caller states the glands under the ears being swollen and hurting is persisting. The patient mentioned that the headache got better for a little bit and then came right back. Therapeutic measures were taken as a result of bad headache with one rapid release Tylenol. The description of Product Complaint included: Description of complaint: The caller reported a bad headache after receiving the first dose Pfizer COVID-19 Vaccine. The caller took one rapid release Tylenol. The headache got better for a little bit and then came right back. The caller also stated she did not had her glasses on and was trying to find the information requested on the bottle. The caller asked her husband for assistance finding the information on the medication bottle. Product was Equate extra strength Acetaminophen 500mg; Lot: P123338; Expiration: Dec 2023; Product strength and count size dispensed: 500mg, 225 gel caps count size; and the sample of the product was available to be returned, if requested. The reporter was informed she may possibly receive a mailer in 3-10 business days and the packaging was sealed and intact. The patient taking Pfizer Covid Vaccine to get vaccinated against COVID-19. The patient was unable to provide address, telephone number or email and informed that she had not been to the doctor in a while. Further added that, the patient stated that she had one more dose of the Pfizer COVID-19 Vaccine to take in three weeks. The outcome of the event pain in arm, nausea, vomiting, chills was resolving; the outcome of the event got really sick, glands swollen, dizziness, muscle pain was not resolved; while the outcome of the event bad headache, goosebumps, localized pain, and neck stiff was unknown. Information on Lot/Batch number was available. Additional information has been requested.