felt like internal inflammation in her upper body; experienced tightness in upper body, chest, back and arms a few hours after 1st dose of Pfizer Covid 19 vaccine.; She experienced like a gurgling and squeezing of diaphragm like it was contracting; felt like fluid was in her left knee; felt like fluid was in her left knee; little pains in her rib areas on left and right side; Nausea; Fatigue; Dizziness; This is a spontaneous report from a contactable consumer or other non-HCP (patient himself). A 38-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot Number: EWD187), dose 1 via an unspecified route of administration, administered in Upper Arm Right on 03Jun2021 09:45 (at the age of 38-years-old) as dose 1, single for covid-19 immunisation. The patient's medical history included, she was being seen by a rheumatologist to see if there are any autoimmune issues, she did test positive for something autoimmune. she has a pulmonary embolism. She has a list of conditions but declined to provide further details, felt like internal inflammation in her upper body, she experienced like a gurgling and squeezing of diaphragm like it was contracting and felt like fluid was in her left knee in last year (in 2020). The patient had no family medical history relevant to adverse event. The patient's concomitant medications were not reported. No previous immunization with the Pfizer vaccine. No additional vaccines administered on same date of the Pfizer suspect. No prior vaccinations (within 4 weeks). The patient had tetanus shot two months prior to first dose of the covid vaccine. No adverse events following prior vaccinations. The patient was calling to report a side effect after the first dose which she received on 03Jun2021. She experienced the side effects the day of the vaccination. She received the vaccine about 09:45 in the morning. At 10:30 she started to have what felt like internal inflammation where her upper body, chest, back and arms and everything tightened up. It lasted about a few hours; it resolved that day. It was like muscles and everything just tightened up in her upper body and it stayed like that from 10:30 am till 15:00 pm. She experienced like a gurgling and squeezing of diaphragm like it was contracting. She felt like fluid was in her left knee which came and went pretty quickly. She also experienced little pains in her rib areas on left and right side. Everything was scary and unexpected. States she had these same symptoms when she got sick last year, she did not know if she had covid or not at the time, but she tested negative for covid and flu. States these symptoms did not occur for several months and then all of these symptoms came back in full force after she received the covid 19 vaccine. She spoke to her primary and was advised to report it. States she also experienced the fairly normal side effects such as nausea, fatigue, and dizziness. The nausea kind of lingered for the following two days. Fatigue recovered by the following day and the dizziness recovered the night of 03Jun2021. She declined any treatment. Her second dose scheduled for this week and she was asking if she should get the second dose. The adverse events required visit to physician office. No emergency room visit required. No relevant tests done. Her doctor could not advise and said it could just be here immune system reacting. The outcome of all the events was recovered.   Information on Lot/Batch number was available. Additional information has been requested.