experiencing in his left arm where the bump is a sensation of being red/ redness, heat and itching are in the location of the injection; redness, heat and itching are in the location of the injection/ feels hot; intermittent itchiness/ redness, heat and itching are in the location of the injection; it was just sort of like rash; it's a delayed allergic reaction; I have only minor discomfort; Pfizer Covid-19 vaccine that was given at an angle and a bump occurred; This is a spontaneous report from a contactable consumer (patient). A 78-years-old male patient received second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection; Batch/Lot Number: EL0261; NDC number, UPC number and expiry date: unknown) via an unspecified route of administration in left arm on 05Feb2021 (age at the time of vaccination was 78-year-old) as a single dose for COVID-19 immunization. The patient's medical history included high blood pressure and epilepsy both from an unknown date and unknown if ongoing. The patient had low level of sodium in his system because of phenobarbital. The patient's wife had metaplastic breast cancer and passed away 12 years ago. The patient's concomitant medications included phenobarbital; phenytoin (DILANTIN [PHENYTOIN]); riboflavin (VITAMIN B 2); cyanocobalamin (VITAMIN B 12 [CYANOCOBALAMIN]); vitamin D3; vitamin C [ascorbic acid]; tocopherol (VITAMIN E [TOCOPHEROL]); colecalciferol (VITAMIN D [COLECALCIFEROL]); calcium; ascorbic acid, ergocalciferol, folic acid, nicotinamide, panthenol, retinol, riboflavin, thiamine hydrochloride (MULTIVITAMINS [ASCORBIC ACID;ERGOCALCIFEROL;FOLIC ACID;NICOTINAMIDE;PANTHENOL;RETINOL;RIBOFLAVIN;THIAMINE HYDROCHLORIDE]) all taken for an unspecified indication, start and stop date were not reported. Previously, the patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; lot number: EK4176; NDC number and expiry date: not reported) on 15Jan2021 for COVID-19 immunization and experienced dizziness, headache and chest discomfort. The patient received second dose and reported that the injection was given at an angle and then there was bulb (bump) on his arm for 4 months. In Jul2021, the patient had feeling of sensation in his arm, feeling of the thing red, felt hot and had inter massive itchiness. The patient reported that the redness, heat and itching were in the location of the injection (area was in the upper portion of his left arm, almost by his shoulder). At first, the patient didn't really give it much attention because it was just sort of like rash and then it started becoming little bit attended and becoming little bit like heat there, the patient had no fever at all during the whole period. He had only minor discomfort and itching. The patient asked if anyone had experienced the sides effects which the patient felt at the injection site (feeling hot and intermittent itchiness). The events were reported as non-serious. The patient found an article on  news entitled rare COVID arm phenomenon, a harmless immune response to vaccination, and the patient said that the article was talking about COVID arm, about where in 1st trial 344 people had the COVID arm but in the 2nd trial 64 people had COVID arm but this was the late body reaction that initially occur 10 to 14 days after the injection. The patient got 4 rounds of house treatment. The patient had been to safety and medical information. The patient had an article that he found online that covers all the symptoms that he had, that indicates that it was a delayed allergic reaction and that was the minor incidence and its extremely rare even on the global level. The patient reported that it occurred within the company Moderna, the other vaccine company like Pfizer that produced the 1st 2 vaccine. It was kind of same technology that they use, and the indication was that it will go away if an individual basically takes an aspirin or some anti-inflammatory for a few days. The patient was concerned about it because the way the owner of report said that the initial allergic reaction occurs with people within 10 to 14 days, the patient was 4 months after the effect and had symptoms. The patient explained the way he received injection. The patient reported that they may have given him the vaccine at an angle which created a small pocket through the medicine to stay into regional muscle and later it was released into his system and the patient experienced side effect, that was the minor side effect by description and he had an article that he can refer and even had a quotation medical journal of medicine, what they called a COVID arm phenomenon. The patient gave the reference of the website to other two ladies, where the rare phenomenon called the Covid arm was listed in detail. The patient further stated left upper right arm almost at the shoulder level. The patient did not receive any treatment medication. Investigations was not reported. The outcome of all the events was unknown.