Once the pain affected his hand, all fingers and thumb, like he had trigger finger; Feels his shoulder, he can feel a knot where the COVID-19 Vaccine was; Severe pain in his arm / excruciating pain in arm; When the needle was taken out of patient's arm, blood squirted out; Believed that the COVID-19 Vaccine hit a nerve when it was administered; Believed that the COVID-19 Vaccine hit a nerve when it was administered; This is a spontaneous report received from contactable reporter(s) (Consumer). The reporter is the patient.  A 69-year-old male patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE), administered in arm left, administration date 26Feb2021 (Batch/Lot number: EN6203) at the age of 69 years as dose 1, single for covid-19 immunisation. The patient's relevant medical history was not reported. There were no concomitant medications. The following information was reported: VACCINATION SITE PAIN (medically significant) with onset 03Mar2021, outcome "not recovered", described as "Severe pain in his arm / excruciating pain in arm"; VACCINATION SITE HAEMORRHAGE (medically significant) with onset 26Feb2021, outcome "unknown", described as "When the needle was taken out of patient's arm, blood squirted out"; VACCINATION SITE NERVE DAMAGE (medically significant), WRONG TECHNIQUE IN PRODUCT USAGE PROCESS (medically significant) all with onset 26Feb2021, outcome "unknown" and all described as "Believed that the COVID-19 Vaccine hit a nerve when it was administered"; PAIN IN EXTREMITY (non-serious), outcome "unknown", described as "Once the pain affected his hand, all fingers and thumb, like he had trigger finger"; VACCINATION SITE NODULE (non-serious), outcome "unknown", described as "Feels his shoulder, he can feel a knot where the COVID-19 Vaccine was". The event "severe pain in his arm / excruciating pain in arm" was evaluated at the physician office visit and emergency room visit. The patient underwent the following laboratory tests and procedures: pain assessment (1-10): (03Mar2021) 10; (Mar2021) 3. Therapeutic measures were taken as a result of vaccination site pain. Additional information: it was reported that when the needle was taken out of the patient's arm, blood squirted out. He was given a band-aid. Three days later, 03Mar2021, he had severe pain in his arm. His doctor recommended him to go to the ER (emergency room). He felt this pain 24/7. On a scale of 1-10, his pain was a 10. At ER, he was given intravenous Morphine, which did stop the pain. After he left the ER, three to four hours, the pain came back. He was recommended to take Hydrocodone Acetaminophen 5-35mg tablet. Even in taking that, it made him go to sleep, but the minute he woke up, he is in pain. The pain was still there. The ER doctor believed the COVID-19 vaccine hit a nerve when it was administered and that is what's causing the pain. When he feels his shoulder, he can feel a knot where the COVID-19 vaccine was. Up to the day of report, the pain persists. The pain is mostly a 10 on the scale, but at the time of report, pain is a 3. It doesn't go away. He can't sleep on that side. Once the pain affected his hand, all fingers and thumb, like he had trigger finger. He expressed hesitation about getting the second COVID-19 vaccine as scheduled. He also confirmed he was released from the ER and was not admitted to the hospital.   No follow-up attempts are possible. No further information is expected.