rash became more itchy; he developed a rash on his left leg.; but the rash got worse; Markings on leg; little bites; This is a spontaneous report from a contactable consumer (patient himself). A 85-year-old male patient received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection; Batch/Lot number: EN6205, Expiry date was not reported), via an unspecified route of administration, administered in Arm Left on 09Mar2021 (Age at vaccination 85-years-old) as dose 2, single for covid-19 immunisation. Medical history included allergic to sulfa from an unknown date and unknown if ongoing and was diagnosed about 20 years ago and was taking pills that he reacted to in a manner where he was scratching and itchy; no skin problems, but itchy, sore arm from 2020 to an unknown date, diabetes mellitus from an unknown date and is ongoing and other conditions was diagnosed about 8-10 years ago. States this is another reason he got the vaccine. Concomitant medications included triamcinolone acetonide (TRIAMCINOLONE ACETONIDE) taken for pruritus, he has had it for a while and has been using it for itching on his rash, states he had the cream a while and the expiry date is Mar 2019. States it still works. He states this medication was effective, it stopped the itching start and stop date were not reported. The patient previously took first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection; Batch/Lot number: EN6200, Expiry date: Jun2021), via an unspecified route of administration, administered in Arm Left on 16Feb2021 as dose 1, single for covid-19 immunisation, flu vaccine, he was given the vaccine at Pharmacy or Store and Pneumonia Vaccine. The patient had got both doses of the Pfizer COVID-19 vaccine. The first was on 16Feb2021 while the second one was on 09Mar2021. After getting both doses, he developed a rash on his left leg. At first, he wasn't worried about it but as days went by, the rash became more itchy and they look like little bites. He had applied topical steroid ointment and he was expecting it to subside, but the rash got worse. It only occurred in one leg. Caller said he did not go to the woods and he can only attribute the rash to the vaccine. His wife did not get anything, but his sister also developed a rash, but it doesn't look similar to his. He wanted to know if this has been reported as adverse event associated with the vaccine. The patient states he has a rash on his legs. Hasn't been in a field or anything to get into any insects. States he can only attribute it to the shot. States, the rash started about 5-6 days ago. Clarifies that is just on his left leg. States it looked like mosquito or fire ant bites but that he wasn't near grass or anything. Read that the vaccine could cause rashes. States he has been using an ointment on it that helps the itching, a steroid ointment. The itching part has improved but the markings have increased. The patient wants to live a little longer that's all. Due to his age, he don't think he has an alternative, if he get it it's goodbye and he is not 20. Wondered if it was something in his bed. State's wife sleeps in same bed and doesn't have anything. he stated he was allergic to sulfa. Does not have it at this time. Also does not have NDC, Lot Number or Expiration date for this medication. States he kept the bottle somewhere in his house so he would remember not to take it ever again. Therapeutic measures were taken for the events. The patient receive treatment for the adverse event. The outcome of the events rash became more itchy was recovering and rest of the events was not recovered.  No follow-up attempts are needed. No further information is expected.