Swelling in his tonsils; feels a little hot; last night he felt weird and then used the bathroom and felt better; sleeping now and that is a warning flag for him sleeping a lot/he came home tired and fell asleep; he came home tired and fell asleep.; numbness in his arm; This is a  spontaneous report from a contactable consumer (nurse, a CNA). A 16-year-old male patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE; Solution for injection; Lot number: EW0196), via an unspecified route of administration on Left Arm(shoulder) on 14Jun2021 16:00 (age at vaccination: 16 years) as DOSE 1, SINGLE for just to get it to make sure he is fully protected. Vaccination Facility Type was reported as Pharmacy/Drug Store. The patient medical history included he had SVT and artery flutter that was diagnosed late in his 14 turning to 15. States they are fully resolved. Relays that he had 3 heart surgeries, each one you have to wait 6 months to get done. States the 1st one they couldn't find anything, the 2nd one they cauterized nerve endings, and the 3rd one they found another heart condition and did the same thing, they cauterized the nerve endings inside his heart. Additional Vaccines Administered on Same Date of the Pfizer Suspect was reported as none. Prior Vaccinations (within 4 weeks)or any other vaccinations within four weeks prior to the first administration date of the suspect vaccine was reported as none. Adverse events following prior vaccinations was reported as none. The patient Concomitant medications included ibuprofen(IBUPROFEN ABECE)taken for numbness from Jun2021. On 01Jul2021, the patient experienced Swollen tonsils at his appointment about 1:30pm, feels a little hot, last night he felt weird and then used the bathroom and felt better. On an unspecified date in Jul2021, the patient experienced sleeping now and that is a warning flag for him sleeping a lot, told to hold off and wait on getting the 2nd dose, he wants to have him evaluated 1st to see if it is an infection or an allergic reaction and he came home tired and fell asleep. On 15Jun2021, the patient experienced numbness in his arm. The other symptoms (except swollen tonsils) started around 8 PM-9 PM after their walk 1Jul2021.It was reported that he had heart complications(heart issues) 2 years ago which are resolved now. He received the first dose of the Pfizer-BioNtech Covid-19 vaccine on 14Jun2021 and he's scheduled for his second dose on 05Jul2021. Yesterday he went to his orthodontist and was diagnosed with swelling in his tonsils (first she said one of them and his tongue, then she explained that the swelling was in his tonsils). She would like to know if there are reports of any swollen glands and if she should be concerned about it. The reporter(who is patient's mom) stated that she just talked to the patients pediatrician and was told to hold off and wait on getting the 2nd dose, he wants to have him evaluated 1st to see if it is an infection or an allergic reaction. She states the lymph nodes are tonsils and they need to make sure it is not an allergic reaction and also not his heart and was told if it gets worse to take him to the Emergency Room and it's kind of off, like she saw them and they are really huge and it's just weird. She states he weighs about 205-210 pounds and is maybe 5 foot 7 inches tall. He just saw the orthodontist and received a letter to see his doctor and something clicked in her head that they are glands and basically anything like that vaccine have that type of reaction and he feels a little hot that started 01Jul2021 and last night he felt weird and then used the bathroom and felt better. Caller relays that he is sleeping now and that is a warning flag for him sleeping a lot. States that started recently and she tried to take him for exercising yesterday on nature walk and he came home tired and fell asleep. States he stayed up 1-2 hours and fell asleep. Caller states another orthodontist and pediatrician never have said anything about his tonsils before. Caller states she has to watch him, he will say he doesn't feel anything but that was the heart condition and he would go into shock and fall on the floor and she has to monitor him and he didn't know he was having episodes and they would reset his heart with paddles. Caller states she will probably take him to the ER and have tests run. The Relevant Tests was reported as None. Therapeutic measures were taken as a result of Swelling in his tonsils, numbness in his arm. The outcome of the event numbness in his arm, feels a little hot in his arm was unknown. The event "last night he felt weird and then used the bathroom and felt better" was recovered on Jul2021, while other events was not recovered.  Relevant Med History (heart surgeries) notes: each one you have to wait 6 months to get done.1st one they couldn't find anything, the 2nd one they cauterized nerve endings, and the 3rd one they found another heart condition