diarrhea; headache; fever with 100.4; joint and neck pain; joint and neck pain; heart rate racing (higher than normal); intense nausea; pain in stomach; vomiting; chills; This is a spontaneous report from a contactable Other HCP(patient).  The 38-year-old female patient received first dose BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Batch/lot number: EL0140), via an unspecified route of administration in deltoid left on 04Jan2021 12:00 at single dose for COVID-19 vaccination.  Medical history included covid-19 from Oct2020 to Nov2020 for five weeks , ongoing depression, ongoing anxiety.  Ongoing concomitant medication included escitalopram oxalate (LEXAPRO) for depression, clonazepam (KLONOPIN) for anxiety. The patient experienced heart rate racing on 05Jan2021 with outcome of recovering , intense nausea on 04Jan2021 23:00 with outcome of recovering , pain in stomach on 04Jan2021 23:00 with outcome of recovering , vomiting on 04Jan2021 with outcome of recovering , chills on 04Jan2021 with outcome of unknown , fever with 100.4 on 05Jan2021 with outcome of unknown , joint and neck pain on 05Jan2021 with outcome of not recovered, headache on 05Jan2021 02:00 with outcome of not recovered , diarrhea on 05Jan2021 05:30 with outcome of unknown. It was reported she got her first dose yesterday (04Jan2021) and she was concerned with the side effects she is experiencing because they were so severe. She got the COVID Vaccine around 12:00. After getting the vaccine she felt fine and then went to bed. However, after around 11 pm she woke up from bed with intense nausea and pain in her stomach. She got up and started vomiting. She could not stand up right due to the pain. The nausea was so intense she had to crawl on the floor. She also had chills and had to bundle up in bed. She checked her temperature and she had a fever. She also had joint and neck pain. She also had a headache. She took some Tylenol. She later started to feel like she was sick again, but she did not vomit again. She later felt like her heart was racing. She could not go back to sleep because her heart rate was higher than normal. Then this morning she had diarrhea. She stated she has called out of work due to this. She explained in regards to the chills she took Tylenol and it is still in her system. She does not know if it will come back or not. She clarified the fever she had her temperature was 100.4 on 05Jan2021 and it went down with Tylenol. It went down to 99.5. The joint and neck pain started around the same time in the middle of the night around midnight. The headache started around two in the morning. Her heart rate racing started around midnight. As of now her heart rate had decreased, but it was not back to her normal rate. She had a Pulse Ox and she can keep track of her heart rate. Normally her heart rate is 48 beats per minute. Her heart rate went up to 95 beats per minute. The diarrhea started around 05:30 this morning. She has had no more episodes since 07:30. She had a total of two episodes. There was no Emergency Room or Physician's Office needed. There was no prior vaccinations within 4 weeks. Therapeutic measures(Tylenol) were taken as a result of chills , fever with 100.4, joint and neck pain, headache (headache). Events were assessed as non-serious by the reporter.