where she got the shot was fire red and about a size of a softball and very itchy, she said itch like crazy; where she got the shot was fire red; I had this huge red circle, the whole thing is red, look like the size of a soft ball, and then it was quick soreness; I was so sleepy and couldn't stay awake; 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 female patient received bnt162b2 (BNT162B2) (Batch/Lot number: unknown) as dose 1, single for covid-19 immunisation. Relevant medical history included: "Blood pressure" (unspecified if ongoing), notes: I had to take the CLONIDINE for my blood pressure; "allergy" (unspecified if ongoing), notes: she cannot take the flu and pneumonia shot, she had a long allergy lived; "Covid-19" (unspecified if ongoing), notes: She got Covid. Concomitant medication(s) included: CLONIDINE [CLONIDINE HYDROCHLORIDE] taken for blood pressure abnormal. The following information was reported: VACCINATION SITE PRURITUS (medically significant), outcome "recovered", described as "where she got the shot was fire red and about a size of a softball and very itchy, she said itch like crazy"; VACCINATION SITE ERYTHEMA (non-serious), outcome "unknown", described as "where she got the shot was fire red"; VACCINATION SITE PAIN (non-serious), outcome "unknown", described as "I had this huge red circle, the whole thing is red, look like the size of a soft ball, and then it was quick soreness"; SOMNOLENCE (non-serious), outcome "unknown", described as "I was so sleepy and couldn't stay awake". Therapeutic measures were taken as a result of vaccination site pruritus, vaccination site erythema, vaccination site pain. Clinical course: Caller is a Consumer, calling in regards of the Pfizer covid-19 shot, she had  to change her appointment, she predicts Wednesday, because she'll have an upcoming heart cast (not verified, sounds like), she said that she cannot take the flu and pneumonia shot, she had a long allergy lived, but she did get the first covid shot and was fine except the next morning where she got the shot was fire red and about a size of a softball and very itchy, she said itch like crazy. Caller would like to know if that is normal and if it is supposed to itch like that.Caller added, "I had this huge red circle, the whole thing is red, look like the size of a soft ball, and then it was quick soreness, and I expected that and it itch so bad for about 5 days. I thought Ill go crazy for itching so bad. The nurse where I had it tell me I could take my BENADRYL with it cause it will help it, well I did take a couple of times but I also take, I had to take the CLONIDINE for my blood pressure and between the two I was so sleepy and couldn't stay awake. So I quit on the second day of taking the BENADRYL but it still itch." Upon clarification, caller said, "I had take CLONIDINE 0.1 mg tablet take it for 4-6 times. I take half of the BENADRYL and I don't take it everyday, tried taking it twice." Spoke from the attached, Side effects of the Pfizer covid-19 vaccine that have been reported includes non-severe allergic reactions such as rash, itch and hives. These may not be all the possible side effects of the vaccine. Serious and unexpected side effects may occur. The possible side effects of the vaccine are still being studied in clinical trials. Refer to HCP for further guidance.  The lot number for bnt162b2 was not provided and will be requested during follow up.