Pale; Sweaty; her left arm was extremely sore; elevated heart rate/heart rate was in the 120s, and she usually has a heart rate in the 80s; shortness of breath; approximately 22 hours after receiving her first COVID-19 Vaccine, her left arm started swelling slightly down from the COVID-19 Vaccine injection site; the COVID-19 Vaccine injection site became red, warm, and itchy; the COVID-19 Vaccine injection site became red, warm, and itchy; the COVID-19 Vaccine injection site became red, warm, and itchy; Blood pressure increased; Clammy/cold sweat; muscle tenderness/all the muscles in her left arm were tender/aching; bruising near the injection site; she had bruising (more than usual) throughout the rest of her body; she noticed on Thursday evening (14Jan2021) through Friday morning (15Jan2021) the lymph nodes in her left axillary (or armpit area) were swollen, and super tender; she noticed on Thursday evening (14Jan2021) through Friday morning (15Jan2021) the lymph nodes in her left axillary (or armpit area) were swollen, and super tender; anxiety; This is a spontaneous report from a contactable consumer (patient/Registered Medical Assistant). A 35-year-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; Batch/lot number: EL0142), via an unspecified route of administration on 12Jan2021 14:30 (2:30 PM) at single dose on left deltoid for COVID-19 immunization. Vaccination facility type is hospital. No history of previous immunization and no additional vaccines administered on same date of Pfizer suspect, also reported as "Prior Vaccinations (within 4 weeks): None". Medical history included ongoing Vitamin D deficiency for quite a few years.  Concomitant medications included colecalciferol (VITAMIN D [COLECALCIFEROL]) from Oct2020 and ongoing at 50000 IU gel cap, once weekly for Vitamin D deficiency. Patient is scheduled to receive the second dose of Pfizer vaccine on 02Feb2021 but reported side effects from her first shot including bruising near the injection site, shortness of breath, muscle tenderness and elevated heart rate (main concern). Upon contacting her HCP, she mentioned that this may be a side effect of her anxiety medications and asked "Should she take the second dose?". Approximately 22hours (13Jan2021) after receiving her first COVID-19 Vaccine, her left arm started swelling slightly down from the COVID-19 Vaccine injection site. COVID-19 vaccine injection site became red, warm, and itchy, also experienced blood pressure increased, shortness of breath and Clammy, all on 13Jan2021. The patient was pale on 13Dec2020. Patient noticed on Thursday evening (14Jan2021) through Friday morning (15Jan2021) that the lymph nodes in her left axillary (or armpit area) were swollen, and super tender (onset reported as "Jan2021"). Patient became sweaty on 14Jan2021. It was further reported that patient received her first COVID-19 Vaccine dose on 12Jan2021 2:30PM . She said after receiving the first COVID-19 Vaccine, she has had multiple symptoms. Patient is now due for her second COVID-19 Vaccine dose today 02Feb2021. Patient did not know if she should get the second COVID-19 Vaccine dose, and if her side effects were from the first COVID-19 Vaccine. Patient works in a doctor's office where there is a medical doctor, nurse practitioner, and several other registered medical assistants. Approximately 12 hours later after vaccine, at 2:30AM (13Jan2021), her left arm was extremely sore. She said she went to work on Wednesday, 13Jan2021, and her left arm was still really sore, but she was fine, otherwise. She said approximately 22 hours after receiving her first COVID-19 Vaccine, her left arm started swelling slightly down from the COVID- 19 Vaccine injection site. She said her COVID-19 Vaccine was given a lot higher than she thinks the vaccine should have been given. She said the COVID-19 Vaccine injection site became red, warm, and itchy. Her heart rate and blood pressure shot up, and she had pretty bad shortness of breath. Patient said that the medical doctor and nurse practitioner (where she works) told her she gave herself a panic attack. She said that the medical doctor, who she works for, told her to go home, and to contact her primary care doctor if she doesn't feel better. Patient left work and went home. Patient clarified her heart rate was in the 120s, and she usually has a heart rate in the 80s. She said she was pale and clammy, too. Patient stated that she went to bed when she got home from work on 13Jan2021, and woke up the next morning (Thursday, 14Jan2021), and got ready for work. She said as she was getting dressed for work, she felt her pulse rate go up, and she became sweaty, and clammy. She said she called her work, and her boss (medical doctor) told her to take some Tylenol and rest, and to call her primary care doctor if she was not feeling better. Patient said that her primary care doctor said she was having anxiety, and started her on medicine. She said the medicine helped, but her heart rate was still 112-115. She said she noticed on Thursday evening (14Jan2021) through Friday morning (15Jan2021) the lymph nodes in her left axillary (or armpit area) were swollen, and super tender. She said all the muscles in her left arm were tender, as well. She said her left arm muscles were still aching. She said she had bruising on her left arm, and noticed she had bruising (more than usual) throughout the rest of her body. She said she has no idea if the bruising is a coincidence, or if the bruising is related to receiving the COVID-19 Vaccine. Patient mentioned that her left axillary lymph nodes were swollen for a good week and a half, but the swelling improved and was gone now. She said her heart rate was still elevated at 106-110 when she last checked her heart rate an hour and half ago. She said her heart rate was elevated, even though she was sitting down doing tele-work, and she has been taking anxiety medicine. She said she was still having breathing discomfort, clarifying she could not take a big enough breath. Patient will take a big breath, and will be good for a while, but then she needs to take another big breath. She said her doctor has checked her lungs, and her lungs were clear. She said she has to take multiple, deep breaths throughout the day. Patient's last blood work was in Oct2020. She said everything was good with her blood work. She said her hormones were good, but she had a Vitamin D deficiency. For treatment, patient stated that her primary care doctor prescribed Buspar 7.5mg, twice a day. She said the Buspar 7.5mg was dispensed in a pharmacy bottle and did not have the NCD, Lot, and Expiration Date. She said it will be 3 weeks from tomorrow (03Feb2021) she has been taking the Buspar 7.5mg and reported everyone seems to think she has anxiety, or she was crazy. Events did not require emergency room visit but patient visited physician office. There were no relevant tests. Outcome of muscles in her left arm were tender/aching, was not recovered, for axillary lymph nodes swelling and tender was recovered in 2021, for heart rate was elevated, Shortness of breath/breathing discomfort was recovering while for other events was unknown.