stomach was upset; stomach nauseous; Felt out of sorts/ didn't feel right/ flipping and flopping; Really bad headache; very tired; Poison Ivy; This is a spontaneous report from a contactable consumer (patient). A 69-years-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Lot number: EW0171), dose 2 via an unspecified route of administration, administered in arm right on 01May2021 as single dose for COVID-19 immunisation. Medical history included pulmonary embolism shower, cholesterol and arthritis. Concomitant medication(s) included rivaroxaban (XARELTO) 10 mg 1x/day taken for pulmonary embolism from 2013 and ongoing; simvastatin 40 mg 1x/day taken for "to keep my cholesterol under control" from 2010 and ongoing and oxycodone hydrochloride, oxycodone terephthalate, paracetamol (PERCOCET) taken for Arthritis (and because of the blood thinners he could not take any other NSAIDs) from 2013 (started taking it right around time he got on blood thinners) and ongoing, 325 mg/5mg, 2 pills a day, sometimes less and sometimes more depending on his pain levels. The patient previously took the first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Lot number: EW0153), administered in right arm on 01Apr2021 as single dose for COVID-19 immunization and Zithromycin topical. The patient neither receive any other vaccines on same date of the Pfizer suspect nor within four weeks prior to the first administration date of the suspect vaccine. The patient reported that he had COVID like symptoms after getting his second shot and was taking prednisone along with the shot after going to urgent care for poison ivy. The patient wanted to know if this would be an adverse event. The caller was also taking Zithromycin topical. On 05May2021, 4 days after the vaccination, he went to urgent care where he was told he had poison ivy. Urgent care started him on Doxycycline and Prednisone. The prednisone was tapered from 60mg for 4 days, 40mg for 4 days and 10mg for 4 days. A week ago (Saturday), his niece visited him and they hugged and stuff. The patient's niece was not vaccinated. They sat outside. On 27May2021, the patient started feeling very tired, his stomach was upset and was very nauseated. The patient further reported that he was doing yard work a week ago this past Thursday and he thought he didn't feel right so he took shower and laid on couch in the dark all day. He stated that his stomach was nauseous, he felt out of sorts, he was flipping and flopping. That night he went to bed and woke up with a really bad headache to the point of where he thought of taking pain medication for the headache. He never had a fever. The patient did not want to take any COVID tests if it were to come back positive because he heard about the baseball players getting the Johnson and Johnson shot and having COVID and not having any symptoms and one of them had symptoms, but it only lasting for a day or two. The patient's brother-in-law and sister, who he lives with, also received the vaccines and were fully vaccinated at the time of his nieces visit and were in close proximity to niece. They didn't had any effects from hugging her so that was why he thought maybe it was related to him taking prednisone. The patient did not require a visit to emergency room but required an urgent care for poison ivy. There was no family medical history relevant to events other than brother-in-law and sister-in-law didn't have any side effects after hugging niece. The patient did not undergo relevant tests. The outcome of the event stomach nauseous, feeling abnormal and really bad headache was resolved on 28May2021; while Poison Ivy, very tired and stomach was upset was unknown. The patient thought his symptoms (stomach nauseous, felt out of sorts/ didn't feel right/ flipping and flopping, really bad headache, very tired and stomach was upset) maybe related to the Prednisone.  Follow up attempts are needed. Further information has been requested.