Experienced upper left quadrant pain; This is a spontaneous report from a contactable consumer (patient). A 72-year-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot number was not reported), via an unspecified route of administration in Arm Left on 16Feb2021 (at the age of 72 years old) as 1st dose, single dose for COVID-19 immunisation. Medical history included rheumatoid arthritis diagnosed 15 years ago, systemic lupus erythematosus diagnosed 20 years ago, Varying connective tissue disorders, avascular necrosis on the right side of the body, and blood cholesterol. Concomitant medication included methotrexate (METHOTREXATE) 20 mg every friday by mouth taken for rheumatoid arthritis, clopidogrel bisulfate (PLAVIX) 75 mg once a day taken for anticoagulant therapy, and rosuvastatin (ROSUVASTATIN) 20 mg once a day taken for blood cholesterol. On 22Feb2021 the patient experienced upper left quadrant pain. Reporter stated as She was taking methotrexate for rheumatoid arthritis and no one told her to stop it before receiving the vaccine. She experienced upper left quadrant pain that sent her to the emergency room three times but she was not admitted at any time. She would like to know if Pfizer has any reports similar to this with people who have autoimmune disorders. No information in pharmaceutical ingredient regarding reports of upper left quadrant pain in people with autoimmune disorders.According to pharmaceutical ingredient additional adverse reactions, some of which may be serious, may become apparent with more widespread use of the vaccine.  She states her doctor told her not to receive the second dose after her reaction to the first dose. She would like to know how covered was she from receiving one dose. She would like to know after a certain amount of time can she restart the vaccine series without being on her methotrexate. No information in pharmaceutical ingredient regarding restarting the vaccine series after discontinuing methotrexate.The patient took covid vaccine as she did not want to get the virus and wanted to not spread it and for her family. She wants to know about the Pfizer covid vaccine. She got the first vaccine and she did really well for the first 3 days then found herself in the emergency room. She was in the emergency room with severe left upper quadrant pains and she has never experienced this in her lifetime. They ran tests and couldn't find anything. They found some minor little lung things that come with age. Everyone in her family- her children and husband has had both doses and done fine. She still has some slight pains but it stopped about a month ago. This event happened after the first dose of the vaccine.This happened in the middle of February. The patient inquired if after a certain amount of time can she start the shots over without taking the methotrexate. She did not receive the second dose of the covid vaccine.The patient underwent lab tests and procedures which included investigation: normal on an unspecified date and found some minor little lung things that come with age. The report assessed the event as non serious. Outcome of the event was recovered in 2021.  Information on lot/batch number has been requested.