losing her hair; This is a spontaneous report from a contactable consumer (patient reported herself). A 70-year-old female patient received both doses of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, NDC number: Unknown, Expiry Date: Unknown) intramuscularly first dose (Batch/lot number: EK5730) on 15Jan2021 09:00 at single dose injected in left arm muscle and second dose (Batch/lot number: EL3249) on 05Feb2021 at single dose for prevention. Vaccination facility type was Hospital, not a military facility. Time the vaccination was given: 09:00 and second dose 09:30-10:00. The patient's medical history included ongoing diabetic diagnosed in 1989 or 1998, ongoing high blood pressure (took medication), inflammation (took a vitamin and pro-biotic every once in a while) and took heart medication because she had a stent. She had some surgeries in Oct2020. Family medical history included parents are deceased. Siblings have high blood pressure and diabetes. Concomitant medications were not reported. Prior vaccinations (within 4 weeks) were none. On 18Jan2021, she experienced losing her hair every day. It was reported that the patient was experiencing hair loss everyday. Caller asked if that was a side effect and what can she do to make it stop. Caller had been "losing her hair" since she received the first dose of the vaccine (on 15Jan2021) and since the second dose as well (on 05Feb2021). She spoke with safety agent (she was not given a reference/reportum). She had an appointment with her HCP next week. Losing her hair every day was reported as worsened. Received call from consumer regarding the Pfizer Covid vaccine. She took both doses of the vaccine. She was a little worried because she was losing her hair every day. She would like to know what she should do. She just had second dose last Friday. She needed to make it stop. There was no prescriber. IT was part of an initiative in her area for her age group. She spoke with a nurse when she got the second dose to let her know about the hair loss and she suggested she speak with her doctor. She took first dose on 15Jan2021, and 3 days later was when she noticed she was combing out excessive amounts of hair. Since then, she can just rub her hand through her hair and it was coming out. She combed out 3 combs full and a brushful since this morning. Second dose was given on 05Feb2021. That lot number was EL3249, and expiration unknown. It was also given in the left arm muscle at same facility. She was a diabetic and she took heart medication because she had a stent and took high blood pressure medication. She took a vitamin and pro-biotic every once in a while for inflammation. She was taking all prior to getting the vaccination. She had some surgeries in Oct2020, but other than that, no other medical conditions. First dose of Pfizer COVID vaccine on 15Jan2021, and 3 days later was when she noticed she was combing out excessive amounts of hair. Additional vaccines administered on same date of the Pfizer suspect reported as none. AE Details and time of onset included losing hair every day - before she went to bed, she saw excessive amount of hair and the next day more and more. Unknown time. She still could not comb her hair without having it come out. No ER or physician's office required. AE following prior vaccinations were none. Outcome of the event was not recovered. No PQC present. No further details provided.