Blistering rash on my stomach and every time the spot heal go away, I wake up next day I have new spots; they start off like a little red spot and then it turned into like a actual blister and burns; Soreness in my arm; tired; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 31 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 18Aug2021 16:00 (Lot number: FC3182) at the age of 31 years as dose 1, single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. The following information was reported: RASH VESICULAR (non-serious) with onset 19Aug2021, outcome "not recovered", described as "Blistering rash on my stomach and every time the spot heal go away, I wake up next day I have new spots; they start off like a little red spot and then it turned into like a actual blister and burns"; PAIN IN EXTREMITY (non-serious) with onset 19Aug2021, outcome "recovered" (2021), described as "Soreness in my arm"; FATIGUE (non-serious) with onset 19Aug2021, outcome "recovered" (2021), described as "tired". Therapeutic measures were taken as a result of rash vesicular.  Additional Information: Consumer stated, "The pharmacy I got my short at, told me to call this number and report the side effect that I have. So, I got my first shot on the 18th, this month and ever since I got the shot, after I got it was like one day soreness in my arm and a little bit of the tired and it's normal I was suppose but I also got a blistering rash on my stomach and every time the spot heal go away, I wake up next day I have new spots and sometimes they are big and sometimes they are small but they start off like a little red spot and then it turned into like a actual blister and then it burns and then it goes away, it happened within the first day and they haven't gone away yet and they all are on my stomach, only in my stomach that I have seen so far." When paraphrased the concern, Consumer stated, " Yeah but the blisters. Yeah, my arm was sore for a day but before those symptoms went away I had started getting a rash, I got a rash right away. I didn't know may be it is allergy. That's why I called because I was like I should go get allergy tested? May be it's a common allergy or some ingredient that I should tell my doctor and ask should I get allergy tested, so that is why I called you guys." Consumer stated, "I also have photos too of my rash like from where I started and even how it looks lie now today and if it is needed I can mail the pictures of the rash." Outcome of event: Consumer stated, "It's just like persisting, it's not really going too far but its' not spreading away on my whole body but it's not going away." Prior vaccination ( 4 Weeks): Consumer stated, "No, the last time I had a shot before this one like was when I had my daughter my youngest daughter and she is 3 and a half now almost and right after I gave birth to her at the hospital they gave me vaccine like a whooping cough that has tetanus an stuff in it they gave me that in the hospital right after I had it so couple of years ago." Consumer stated, "I am gonna get allergy test within the next week or two, should I call you guys to report if anything came up. Just to let you know, in case if they say hey you have allergy." Consumer was told she can call and share the update.  No follow-up attempts are possible. No further information is expected.