feeling weak/had no energy all day; nervous; a lot of pain in the injection site (left arm); chills; a mild fever/Fever chills; one swollen lymph node on the right side; muscles aching; tiredness; This is a spontaneous report from a contactable consumer (patient). A 81-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, formulation: Solution for injection, Batch/Lot Number: EL9261; Expiration Date: 31May2021), via an unspecified route of administration, in left arm on 01Feb2021 11:30, as 1st dose, single for covid-19 immunisation. Medical history included sinusitis from an unknown date and unknown if ongoing, neuropathy peripheral from an unknown date and unknown if ongoing and anxiety. Patient explained that she had trouble with the flu shot prior, having weakness and low blood pressure and that's why she got so nervous to get it, she was exhausted from that. There were no concomitant medications. After the onset of events, her husband suggested to take benadryl, and so she took 1 yesterday. Patient received the first dose of the Pfizer COVID vaccine 01Feb2021. Medical Conditions was she actually had a physical a week ago, her heart is fine, the doctor said her blood work was normal. Patient was calling about the Covid Vaccine, she got it the day before yesterday. She experienced "a lot of pain in the injection site (left arm) the first night after the injection. She also experienced tiredness on 01Feb2021, chills, a mild fever on 02Feb2021, one swollen lymph node on the right side on 02Feb2021 and has been feeling weak. She reported that she spoke with someone else prior to speaking with medical information and stated she gave them "her information" about the side effects. Her muscles aching, the chills, the swollen lymph node on the right side started on 02FEB2021. She was also mostly tired with no energy she had a little bit fever since she had the chills. She was just feeling unwell like she got the flu. Caller stated that it was just the normal flu shot, she hasn't had it for 5-6 years now. She has no lot number to provide. Her doctor said if it causes trouble then don't get it, a couple times she was in urgent care because of the low blood pressure, like she was going to pass out. The chills she just had once or twice yesterday. She didn't take a temperature. She clarifies that it was just 1 lymph node that was sore and raised, she can barely feel it today, it went down. Today she still felt the weakness and tiredness. Caller would like to know if it was ok for her to take Tylenol for her post vaccination symptoms. The patient underwent lab tests and procedures which included blood pressure abnormal was low and blood test was normal. Investigation assessment included All tests were normal. Patient does have anxiety; however, caller thinks that it was this covid situation and the depressing news every day. Outcome of the events tiredness was not recovered, event one swollen lymph node on the right side was recovering and unknown for all other events.  Follow up (03Feb2021): This is a follow up spontaneous report from a contactable consumer. This consumer reported, new information included: Description of the reporter patient characteristics (age weight, height), relevant medical history and concurrent condition, reaction/events (onset date outcome), suspect Information, lab test were updated.   Follow-up attempts are completed. No further information is expected.