7days after the first dose of Pfizer, I developed severe itchy tiny nodular lesions under my skin  in the lower back which then broke out into macular lesions and then thick reddened lesions as I scratch it.; 7days after the first dose of Pfizer, I developed severe itchy tiny nodular lesions under my skin in the lower back which then broke out into macular lesions and then thick reddened lesions as I scratch it.; 3 days after Pfizer vaccine, I had chills and low grade temp. (99.6) relieved with Tylenol.; 3 days after Pfizer vaccine, I had chills and low grade temp. (99.6) relieved with Tylenol.; 7days after the first dose of Pfizer, I developed severe itchy tiny nodular lesions under my skin in the lower back which then broke out into macular lesions and then thick reddened lesions as I scratch it.; The lesions progressed to my neck, upper back, right abdomen, and arms.; Scrubbing the lesions with a washcloth feels calm and not stinging.; Some lesions that have healed over my back and right abdomen left a tiny blackish circular scars.; Some lesions that have healed over my back and right abdomen left a tiny blackish circular scars.; This is a spontaneous report from a contactable nurse, the patient. A 65-year-old non-pregnant female patient received the second dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: EW0162) via an unspecified route of administration in the arm left on an unknown date in Mar2021 at 14:00 (at the age of 65-years-old) as a single dose for COVID-19 immunisation. Medical history included COVID-19 and lung disorder nos (reported as Chronic lung effects due to severe COVID-19). The patients past drug name was reported as no. Concomitant medications taken within two weeks of vaccination included metoprolol (MANUFACTURER UNKNOWN), acetylsalicylic acid (ASA), vitamin d nos (VITAMIN D), zinc (MANUFACTURER UNKNOWN), ascorbic acid (VITAMIN C) and multivit (unspecified), all from an from an unknown date for unknown indication. The patient previously took first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: ER8727)via an unspecified route of administration in the arm left on an unknown date in Mar2021 at 14:00 (at the age of 65-years-old) as a single dose for COVID-19 immunisation. Prior to the vaccination, the patient was diagnosed with COVID-19. Since the vaccination, the patient had not been tested for COVID-19. The patient did not receive any other vaccines within four weeks prior to the vaccination. On 30Mar2021, three days after Pfizer vaccine, the patient had chills and low grade temperature (99.6 (units unspecified)) relieved with Tylenol. On 03Apr2021, seven days after the first dose of Pfizer, she developed severe itchy tiny nodular lesions under her skin in the lower back which then broke out on an unknown date in 2021 into macular lesions and then thick reddened lesions as the patient scratched it. The lesions progressed to her neck, upper back, right abdomen, and arms on an unknown date in 2021. The patient thought she was allergic to the vitamins she was taking and she stopped it one by one at 5-7 day intervals to rule out which caused the breakout that still continued at the time of report. the patient got momentary relief with hydrocortisone, almond oil, moisturizing lotion and Calamine lotion. Shower relieved her from itching using Aveeno body wash only. Scrubbing the lesions with a washcloth made her feel calm and not stinging. The patient stopped using hydrocortisone cream as it started making a blackish discoloration to her skin. It also itched more if she sweated. Some lesions that had healed over her back and right abdomen left a tiny blackish circular scars on an unknown date in 2021. Therapeutic measures were taken as a result of the events which included treatment with Benadryl 50 mg @ HS, Calamine lotion topical, hydrocortisone, almond oil, moisturizing lotion, shower with Aveeno body wash, scrubbing lesions with a washcloth and treatment with Tylenol for chills and low grade fever temperature (99.6 (units unspecified)); all from unknown dates. The clinical outcome of the events chills and low grade temperature (99.6 (units unspecified)) was resolved on an unknown date in 2021, of severe itchy tiny nodular lesions under skin in the lower back which then broke out into macular lesions and then thick reddened lesions as she scratched it, lesions progressed to neck, upper back, right abdomen, and arms,  stinging, some lesions that had healed over back and right abdomen left a tiny blackish circular scars was not resolved at the time of this report.   No follow-up attempts are needed. No further information is expected.