itching/Rash and itching all over./Ear itches; Hive dots adjoined her red neck, inside her ears.; Seemed to have gotten a little worse last night.; rash/Rash and itching all over./ Ear itches; The injection site was very swollen; Severe allergic reaction; received the booster dose of the Pfizer Covid 19 Vaccine; received the booster dose of the Pfizer Covid 19 Vaccine; Her arm swelled up, the swelling went all the way up to her ear and into her hair; arm was really sore as well; had dots, bumps, welts, on her chest, neck, abdomen, arms, armpits, down in the groin area, and her buttocks; had dots, bumps, welts, on her chest, neck, abdomen, arms, armpits, down in the groin area, and her buttocks; has a red, solid, raised area around her neck; This is a spontaneous report from a Pfizer-sponsored program Pfizer Support. A contactable consumer (patient's husband) reported for a 75-year-old female patient. A 75-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection), dose 3 via an unspecified route of administration, administered in Arm Left on 09Sep2021 (at the age of 75 years) (Batch/Lot Number: 30130SA) as DOSE 3 (BOOSTER), SINGLE for covid-19 immunisation. Medical history included ongoing type 1 diabetes, transient ischaemic attack from Dec2005 to Oct2017, Anaphylactic Reaction to crab/shellfish from an unknown date and unknown if ongoing, ongoing ovarian cyst, Psoriatic arthritis from Jul2021 and ongoing, Anaphylactic Reaction to scorpion sting from an unknown date and unknown if ongoing. Concomitant medications included clopidogrel bisulfate (PLAVIX) taken for cerebrovascular accident from 2016 to an unspecified stop date. The patient previously took drug hydroxychloroquine in 2021 (Stated that his wife has stopped this medication. She did not take it the day of her third dose of the vaccine. She had been taking it at that time for around a month. She stopped taking it on either 07Sep2021 or 08Sep2021). Historical vaccine included bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection), dose 1 via an unspecified route of administration, administered in Arm Left on 28-JAN-2021 as Dose 1, Single, dose 2 via an unspecified route of administration, administered in Arm Left dose 2 on 27Feb2021 as Dose 2, Single for covid-19 immunisation (at the age of 74 years). Caller (patient's husband) on behalf of wife sated, Received third (booster) dose 09Sep2021. She had been having swelling, rash, itching. Swelling most in her arm. Rash and itching all over. Knew we cannot give any medical advice but wanted to know if there was a recommendation for something to help with the itching. Called her United Health Care Nurse Saturday antihistamine, soda baths. She's improved a bit. Hive dots adjoined her red neck, inside her ears. Quintessential allergic reaction. Seemed to have gotten a little worse last night. Saw her doctor yesterday. Thought we were getting ahead of it over the weekend. He said Well, he had not seen it before. Pulse 70. Not having a breathing problem, not anything life threatening. Gave her aspercreme with lidocaine. Mixed oral gel with hydrocortisone to try to numb the nerves a little bit. "Keep going on the stocks", shareholder. Only redness on shots one and two, very little swelling. The injection site was very swollen. Can you tell me if that's common? Are they experiencing more sensitivity in the third shot? You probably did not have info on the boosters yet? Have you had more luck with steroids, prednisone something like that? She didn't take the hydro chloroquine for the Trumpian use of covid-19. She started it on 04 AUG2021 arthritis. She did take it the day of the injection. I saw online that someone had a very similar reaction with someone that was taking hydro chloroquine Lot Number 2106277C. Stated that his wife's doctor had spoken about her having a hysterectomy for this condition. His wife was taking Bee Pollen with Aloe Juice and Honey as a form of self-treatment, had stopped taking it. The caller's wife experienced a severe allergic reaction. Her arm swelled up, the swelling went all the way up to her ear and into her hair. She had been taking Benadryl, Zyrtec, and using different lotions to treat it. The patient's arm was sore as well. The caller said that his wife's arm had improved from what it was like on 10 Sep 2021. Stated it was really raised back then, and about 4 inches long. Also had dots, bumps, welts, on her chest, neck, abdomen, arms, armpits, down in the groin area, and her buttocks, Aspercreme with Lidocaine as well. Overall, the welts had settled. Still had a red, solid, raised area around her neck. Caller stated that he called Urgent Care over the weekend and asked if they had Epinephrine. Stated he didn't think about it before he called them; but his wife wasn't having anaphylaxis, she was breathing okay, and her pulse was okay. Stated her symptoms were not life-threatening. Caller mentions that his wife's ears itch. Urgent Care told the caller that he would have to take his wife to the Emergency Room if they needed Epinephrine. Caller stated that his wife went to her doctor yesterday, and her symptoms had settled down considerably. Her doctor told them to continue what they had been doing with the Benadryl, Zyrtec, baths; the doctor said if it did not go away, they may look at treatment with Steroids. Caller stated that all his wife's symptoms are improving, but not completely gone. They started on 09Sep2021. They were the worst on the 10 and 11Sep2021. The events resulted in visit to Physician Office. The patient underwent lab tests and procedures which included heart rate: 70 on an unspecified date, heart rate: okay, her pulse is okay on an unspecified date. Therapeutic measures were taken as a result of, had dots, bumps, welts, on her chest, neck, abdomen, arms, armpits, down in the groin area, and her buttocks (urticaria). The clinical outcome of the events was recovering at the time of report.  Follow-up attempts are completed. No further information is expected.; Sender's Comments: Linked Report(s) : -PFIZER INC-202101215198 same reporter/patient/product, different dose/event.