couldn't stand on his feet; Fell awake; screaming so bad; Chills; Almost paralyzed; Pain; like somebody cutting his side, on his lower abdomen on the right side/underside of the lower abdomen/slight pain every single day, sometime excruciating; couldn't walk after vaccine; This is a spontaneous report from a contactable consumer (patient). This 74-year-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE), dose 1 via an unspecified route of administration administered on the arm left on 01Mar2021 (Batch/Lot number was not reported, reported as "maybe I don't know 6198, it's GN or EN") as a single dose for COVID-19 immunization. Medical history included atrial fibrillation, broken back, breathing problem because of his heart and lung, his lungs have problem, he had some nodules in it, and kidney stone once 25 years ago, 5 little stones. The patient's concomitant medications were not reported. The patient had a reaction, it is the worst reaction he has ever had in his life, the pain he had, he was almost paralyzed and couldn't walk after vaccine and he had to get a wheelchair because he couldn't stand on his feet. He ended up in the emergency room. The vaccine put him out of work, and now he can work some. He is trying to make it up in two days, today and tomorrow to finish up. He was very upset and wanted to know why this happened to him. The patient stated that other people he talked to had no reaction, if they had a fever or anything it was gone in a coupled days, but he ended up in the emergency room. On 01Mar2021, patient had his first dose and at 02:30, he got out of the facility and came out okay with no problem. At 21:00, all of a sudden he saw that he could not stand up on his feet and he fell awake. He waited in the bed, people around him got worried. Eventually, he asked them to bring wheelchair, maybe he can drive. He drove home with his wife to the emergency from his house and he got admitted in emergency and he was screaming so bad, he did not believe in his life, he never heard somebody doing like this. He felt like somebody getting chills like somebody cutting his side, on his lower abdomen on the right side. It's underside of the lower abdomen, he had slight pain every single day, sometime excruciating, he took Ibuprofen for it. He thought he had a kidney stone because he had it once 25 years ago, 5 little stones, so they took him to emergency, took him to the CT scan. They didn't find anything, but the pain was excruciating and in the emergency room everybody thought the crazy man is here who is screaming. He couldn't control his scream. He couldn't walk, he couldn't move. Every movement was like you put a knife on the cutting, it was that bad. His second dose was due on 22Mar2021. He went to the pharmacy and asked them the number and let them know that he had a reaction like this and they called somebody and said to cancel the shot. They cancelled it. That day for 3 days, patient had the pain, it was slowly because he had to take eventually oxycodone. The doctor advised in the emergency room that nothing was wrong, just to slow down the pain but he was not allowed to take the oxycodone. He took the 10 mg oxycodone and the pain which was an hour and a half was a little bit down. After 3 hours, it was a little better, he didn't want to scream, it was gone but the pain was still there for at least 3 days, really bad. He was taking ibuprofen and a muscle relaxant. He did all those things and still I have the pain left and he did not know what to do with that. The lab test he had, he had been okay, he did not have any problem. He got the result on 22Mar2021. Outcome of the events pain and abdominal pain was not recovered and of the other events was unknown.  Information about lot/batch number has been requested.