She has pain under her arm pit into her breast area/it was a sharp pain, extremely painful/from where the lymph nodes are into the side of the breast; She has pain under her arm pit into her breast area/it was a sharp pain, extremely painful/from where the lymph nodes are into the side of the breast; It is very uncomfortable; it was a sharp pain, extremely painful; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 55-year-old female patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 25Jan2023 as dose 3 (booster), single (Lot number: GJ3274) at the age of 55 years for covid-19 immunisation. The patient's relevant medical history included: "Blood pressure high" (unspecified if ongoing). Concomitant medication(s) included: AMLODIPINE taken for hypertension. Vaccination history included: Covid-19 vaccine (Dose 1, Manufacturer: Unknown), for COVID-19 immunization; Covid-19 vaccine (Dose 2, Manufacturer: Unknown), for COVID-19 immunization. The following information was reported: DISCOMFORT (non-serious) with onset Jan2023, outcome "not recovered", described as "It is very uncomfortable"; AXILLARY PAIN (non-serious), BREAST PAIN (non-serious) all with onset Jan2023, outcome "not recovered" and all described as "She has pain under her arm pit into her breast area/it was a sharp pain, extremely painful/from where the lymph nodes are into the side of the breast"; PAIN (non-serious) with onset Jan2023, outcome "not recovered", described as "it was a sharp pain, extremely painful". Therapeutic measures were taken as a result of axillary pain, breast pain, discomfort, pain.  Additional Information: Patient did not take any medication Prior vaccination (Within 4 weeks). Caller stated she received her 3rd booster of the Pfizer covid 19 vaccine on Wednesday. she received the bivalent vaccine. she had pain under her arm pit into her breast area. It was a sharp pain, extremely painful. It was very uncomfortable. It was from where the lymph nodes are into the side of the breast.  The area was sore and the pain was on the same side as the shot. She cannot lift her arm. Caller asked why it is going into the breast area. she took Tylenol, Motrin 800 mg and applied ice. The iced soothed it. When she removed the ice, the pain goes back to the pain level. she did not have any side effects with the other vaccines. Caller asked should she go to the ER. Caller wanted to know what she can do. Caller said it has lasted for two days. Caller asked what does reporting to Safety do. When paraphrased the concern: Consumer stated, "No, what I told her was that underneath my arm and all the way into the side of my breast was extremely painful I was taking Tylenol doesn't help, and the next I was taking Motrin 800 and I have to keep ice on it when I remove the ice, it just I can't lower the ice on my breast but you know I like I told the lady is just a you know how like when you get the mammogram and they squeeze your breast that's the that pain I am experiencing constantly and the first day it was like on a scale 1-10 it was like a 8 and today it was 10 and I called the pharmacy and the Pharmacist said I need to report it."Vaccine name: Consumer stated, "Its the bivalent, the third booster, Tylenol and Motrin is not helping me, I can't lift my arm."