shot entry is the size of an apple; heart palpitations; diarrhea; blisters in her mouth on her cheeks and roof of her mouth on her tongue, the back of her throat and lips; Because of the blisters she had a hard time breathing and couldn't can't eat; had a fever of 102°F; weak; tooth throbbing; body aches; food tasted like crap for anything that she could get into there; Because of the blisters she had a hard time breathing and couldn't can't eat; Her injection arm was "swollen so bad" from her neck to her fingertips. She couldn't lift up her arm because of the swelling; injection arm was "swollen so bad" from her neck to her fingertips; vomiting; lightheaded, dizziness; Migraine headache/migraine; her arms swollen down to her fingertips which she could not sleep on her left side; could not get out of bed; This is a spontaneous report from a contactable consumer (patient). A 60-years-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE), via an unspecified route of administration, administered in Arm Left on 18May2021 (Batch/Lot Number: EWO182) as single dose for COVID-19 immunisation. Medical history included allergic reaction to back yard tree and had sniffles and watery eyes prior to shot. There were no concomitant medications. The patient received her first Pfizer Covid vaccine dose on 18May2021. That evening she began to experience side effects. Her injection arm was "swollen so bad" from her neck to her fingertips. She couldn't lift up her arm because of the swelling. She had Migraine headache and vomiting. At 5 AM the following day 19May2021, she was vomiting, had diarrhea, a migraine, and then developed blisters in her mouth. Because of the blisters she had a hard time breathing and couldn't can't eat, had a fever of 102 degree F, was feeling weak, had to crawl to bathroom. She reported that 24May2021, was the first day that she felt ok. It was reported that her arms swollen down to her fingertips which she could not sleep on her left side, blisters in her mouth on her cheeks and roof of her mouth on her tongue, the back of her throat and lips, stated that she could not go to her dentist appointment the following day because of blisters and her tooth was throbbing on 19May2021. Stated that she had migraine headaches with vomiting, diarrhea, heart palpitations, weak, 102 fever, food tasted like crap for anything that she could get into there. The patient is supposed to go on 08Jun2021 for her second shot and was told that the second is worst than the first. Stated that she refused second shot. Stated that she could not get out of bed. Stated that she has a 7 and 8 year old to take care of by herself. Stated that the shot entry is the size of an apple on 24May2021. Clarified that she had the shot in her left arm. Caller stated that she had the Covid shot 18May2021 and she still does feel well today. Clarified that the blisters all started at the same time. Stated that she has had no heart palpitations since 5am this morning (24May2021). Stated that her fever is 99.9 Caller keeps rambling on; unable to clarify details with each event. Stated that the migraine is now a headache. She wants to know what would happen if she doesn't get the second dose of the vaccine. The patient received no treatment. Outcome of the events could not sleep on her left side, could not get out of bed was unknown; peripheral swelling was recovered with sequelae on 23May2021, vomiting was recovered with sequelae on 24May2021; Heart palpitations was recovered on 24May2021; Fever, migraine, couldn't lift up her arm, hard time breathing was recovering; all other events was not recovered.  Follow up attempts needed. Further information is expected