Could not sleep for two days; Sweaty; Chills; Face and palms got really red; Indigestion; Constipation; deathly sick over the weekend; This is a Spontaneous report from a contactable consumer (patient). An 80-year-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Lot Number: EM6207), second dose via an unspecified route of administration, administered in Arm Left on 20Mar2021 15:00 (Batch/), single dose for covid-19 immunization. Medical history included chronic obstructive pulmonary disease from an unknown date and unknown if ongoing Diagnosed with COPD 3-4 years ago and is not taking any medication for it, (blood pressure) hypertension from an unknown date and unknown if ongoing had been taking Atenolol for blood pressure. Concomitant medication included atenolol. The patient had the first dose of bnt162b2 vaccine (Lot EN6023) on 27Feb2021 for covid-19 immunization and experienced hypertension aggravated. He went back to doctor and had been taking Atenolol for blood pressure. It has always been dose 50/25. His blood pressure was up just a bit and he cannot verify who this girl was that changed it to 100/25. He did not like the way he felt and eliminated it and went back to the previous dose. He had two over a period of 2-3 days. It is in a pharmacy vial.  He does not have a lot or expiration for the Atenolol 100/25.  The date his blood pressure was up was for the past couple of times.Usually, it is 120/60-70 and  then it jumped up to 150/60-70 and that is why it needed to be changed.  It was filled on 18Mar2021, which was after first vaccine but before second dose. Patient got deathly sick over the weekend on 02Apr2021. He had the shot on 20 Mar 2021, and it has been more than the two days you could have a reaction. He was deathly sick. On 02Apr2021, he had just about all of the symptoms; sweaty, chills, face red, and hands red, indigestion, constipation and could not go to the bathroom. He was about as sick as he had ever been.  He know it is not supposed to be that long. He could not sleep for two days. His face and palms got really red. He did not have a fever. He walked the floor and only slept 2 hours in two days. On 31Mar2021, he goes to a pain center and got shots in his neck. He asked the doctor if his shot had anything different than he had been getting and he confirmed that it was no different. He never had a reaction before the one he got on 31Mar2021, and thought it may have been the virus shot. He said one other thing happened and is not sure if it had anything to do with it or not. He just started to feel worse and worse. Today is the first day he felt better. He is 80 and has not been this sick. It got really bad but today it is much better. He did not sleep for two days and last night he slept and feels better. For the indigestion, it got worse before it got better. For constipation, he got relief last night and that is why he feels better today. NO ER or physician's office required- He had a previously scheduled office visit for pain center. The outcome of the events was recovering. The event insomnia was assessed by the reporter as medically significant.  Information on Lot/Batch number was available. Additional information has been requested.