The pain runs down to her elbow, like tennis elbow, down to wrist, up shoulder to neck, and down to her shoulder blade.; The pain runs down to her elbow, like tennis elbow, down to wrist, up shoulder to neck, and down to her shoulder blade.; The pain runs down to her elbow, like tennis elbow, down to wrist, up shoulder to neck, and down to her shoulder blade.; The pain runs down to her elbow, like tennis elbow, down to wrist, up shoulder to neck, and down to her shoulder blade.; The site of the injection is black and blue in about the size of a quarter; she is having trouble with mobility with her arm, She can hardly lift her arm; when she got the injection it really hurt; She had arm pain/excrutiating pain in her arm; chills; body aches; It wakes her up at night; diarrhea; fatigue; headache; This is a spontaneous report from a contactable consumer (patient). A 65-year-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection, batch/lot number was not reported), via an unspecified route of administration on 16Mar2021 (last Tuesday) (at the age of 65 years) as dose 1, single for COVID-19 immunization. The patient medical history and concomitant medications were not reported. On 16March2021 the patient states when she got the injection she felt the shot when it went in her arm, which was ok and she realizes that was a thing, it really hurt. She thinks the young girl who gave the vaccine hit a nerve or a blood vessel. She had arm pain and took an anti-inflammatory medication. On 17Mar2021 (the next day) patient had fatigue, diarrhea and headache. On an unspecified date in Mar2021 patient experienced chills, body aches and arm pain. On an unspecified date in Mar2021 (by Friday) she was in "excrutiating pain" in her arm. The site of the injection was black and blue in about the size of a quarter. The pain runs down to her elbow, like tennis elbow, down to wrist, up shoulder to neck, and down to her shoulder blade. It wakes her up at night. She was taking Advil. She was having trouble with mobility with her arm. She can hardly lift her arm. She doesn't know if she should use heat or ice, to move or don't move it. Her doctor doesn't know. Patient is asking "With it still being black and blue and the size of a quarter what does that tell you as a nurse?". The patient stated she does not feel that these events were a side effect of the vaccine, she felt it was the way it was injected. The patient stated her main question, and she was not sure how to talk to her doctor about this, as she does not know if there was a hematoma from the girl hitting a blood vessel or if she should get the next injection in the other arm, or what. Therapeutic measures such as anti-inflammatory medication were taken as a result of the arm pain and avdil taken for excrutiating pain in her arm and pain running down to her elbow, like tennis elbow, down to wrist, up shoulder to neck, and down to her shoulder blade. The outcome of the events was unknown for diarrhea, fatigue, headache, She had arm pain/excrutiating pain in her arm, chills. For other events the outcome was not recovered.  No follow-up attempts are needed; information about lot/batch number cannot be obtained.