She doesn't hear very well; She does have allergies.; She had a couple of red streaks on each leg on the inner part of her knee; hot flash feeling on her face, it felt warm; hot flash feeling on her face, it felt warm; This is a spontaneous report from a contactable consumer (patient). A 90-years-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Lot Number: EW0162, Expiration date: unknown), via an unspecified route of administration, administered in left arm on 21Apr2021 (at the age of 90 years) as dose 1, single for covid-19 immunization. Medical history included allergic to dye, sulfa drugs and a bunch of other drugs. There were no concomitant medications. On 21Apr2021, patient experienced a warm feeling in her face like a hot flash, that only lasted 4-5 days then after that, nothing. On 24Apr2021, patient had a couple of red streaks on each leg on the inner part of her knee. It was reported that, this is how she reacts with anything with dye in it. They were maybe streaks that were probably 2 inches long and half an inch wide. They went away. They didn't develop until the third day after her shot. Patient asked if she could take Benadryl. It was reported that, the patient doesn't hear very well and had allergies, on an unknown date. It was stated that, she had the first shot, and she asks if she takes the second shot and happens to have breaking out if she can take Benadryl. She does have allergies. As reported clinical course: She called her druggist and they gave her this number. She called her druggist and they gave her this number. They gave her the Covid shot there. She didn't have anybody to help her with this situation. The druggist at      tried to explain it to her. She doesn't hear well, but she thought he said some of these ingredients could be related to sulfa drugs. She is not 100% sure. She wanted to verify if she should take the next shot on13May2021. She wanted to know about the ingredients. States she had a paper on it, but wants to know if there is any dye or sulfa drugs in it. Caller states everything was fine and then she noticed a red streak a 1/4" wide on her legs and inside of her knees on both legs. States she also had a hot flash feeling on her face, it felt warm. States she can eat a cherry pie with red dye in it and it would do the same thing, but she didn't eat a cherry pie. States she did not have No big reaction, no swelling and everything. Just that one reaction, and she is just wondering about those 2 ingredients. States she had allergies but she had no fever or bleeding or any of these things listed they could possibly have. Caller states she had no joint pain, she didn't even have a headache, no fever, no nausea or tiredness. Just a warm feeling in her face like a hot flash, that only lasted 4-5 days then after that, nothing and the red streaks on her legs. Patient clarified that the streaks were red then brown. Patient did not take any treatment for events. The events a warm feeling in her face like a hot flash, and had a couple of red streaks on each leg on the inner part of her knee was recovered on 26Apr2021, whereas outcome of rest of the events was unknown.  No follow-up attempts are needed. No further information is expected.