Side effects were worse than the second and the first booster; Side effects lasted longer than before/In the past when I had a side effect, I would be sick for the following day; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 71-year-old female patient received BNT162b2 (BNT162B2), as dose 3 (booster), single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history included: "High blood pressure" (unspecified if ongoing), notes: High blood pressure Consumer stated, I do have high blood pressure but I went to the doctor and my blood pressure is normal. Concomitant medication(s) included: HYDROCHLOROTHIAZIDE taken for hypertension. Vaccination history included: Covid-19 vaccine (DOSE 1, SINGLE), for COVID-19 Immunization; Covid-19 vaccine (DOSE 2, SINGLE), for COVID-19 Immunization. The following information was reported: ILLNESS (non-serious), outcome "recovered", described as "Side effects were worse than the second and the first booster; Side effects lasted longer than before/In the past when I had a side effect, I would be sick for the following day".  Additional information: Consumer stated, "I just wanted to report that I had my second Pfizer booster vaccine and my side effects were worse than the second and the first booster." Adverse events: Consumer stated, "what happened is, it's quite normal for me to start feeling it about 7 hours after i received my shot. My head start hurting, i start getting achy all over and i go to bed, i lie down and this time i went to bed super early. I went to, i got my shot on 28apr my second booster about 11 o'clock, 11:15, about 5-6 o'clock i had to go to bed, i start feeling bad. This is normal but it got really from bad to worse, usually i can go to sleep, i did not take any Tylenol i forgot about that, i just stayed in bed. That night i tried to go to sleep i would take short naps but i felt so achy i would wake up, then i tried to take a short nap again and i would wake up, so that was Thursday. Friday and this is normal, the next day i just rest and take it easy, i stay in there and i may not have an appetite that's okay. This time Friday was the longest day ever. It was about noon i was feeling so bad that i decided to take a warm bath maybe that will relax me. So, i put some Epsom salt in the bath tub and that usually, that might goes to, i always feel better after that and i soak for 20 minutes that might stop. As i got out of the tub i was so dizzy and because i didn't had any food, i was drinking water because i did not want to get dehydrated. So, i sat on the side of the tub i could not, i do not feel like i could stand without falling and then i start throwing up the water, i never throw up water before. My husband hold me, he wanted to take me to the emergency, i said no just give me a couple of minutes and i went back to bed and then i tried to call the doctor's office. I then spoke to a nurse and she told me that the side effects were still normal and i did not have to go the hospital. She said what i needed to do was to take some chicken broth. Chicken broth is some crackers to settle my stomach and then to take a Tylenol. I did that and within 5-10 minutes i had the best nap. I felt better but anything would have been an improvement than what i felt. Maybe i slept for an hour or two i don't know but when i woke up i felt a little bit better but once again anything would have been an improvement. I stayed in bed the rest of Friday evening and i thought oh hack i am not going to be able to go to sleep. I had a good night sleep without any more Tylenol Friday night. Saturday, i felt a little bit better but i thought no i am not feeling a 100% and i did then a quick errand and i got back and i went back to bed. I didn't feel better until i want to say Monday, Monday i start feeling more like a 100%. In the past when i had a side effect, i would be sick for the following day and then like the third day i felt wonderful, i had all the energy and i felt like nothing was wrong. But this time the side effects lasted longer than before and i just wanted to report that." Consumer was informed about the role of Pfizer Drug Safety and requested to probe. Consumer stated, "Okay, I will try. Go ahead." Name of the vaccine: Pfizer COVID-19 Vaccine. Ethnicity: Consumer stated, "(withheld), I am mixture, (withheld)."(further not clarified hence not captured in tab). Starting date of event: Consumer stated, "I start getting sick the same day of the shot which was 28Apr2022. Concomitant medications: Consumer stated, "I am taking medication for high blood pressure." Medication name: Consumer stated, "Hydrochlorothiaz, 25 mg."(Further not clarified appropriately, hence not captured in tab). Treatment: Consumer stated, "No treatment other than the Tylenol." Dose for Tylenol: Consumer stated, "It says 500 mg extra strength." Name: Consumer stated, "It was Providence (withheld). Mailing address and Telephone#: Consumer stated, "The address is (address line, city, state and postal code withheld)." Reassurance: Consumer stated, "No, that's it. I just wanted to report maybe it might be helpful for research. So, I thank you very much for your time. I thank you for answering the phone today and you have a great weekend."  The information on the batch/lot number for BNT162b2 has been requested and will be submitted if and when received.