it looked like the blood vessels or veins in the bend of elbow, inside of the elbow that looked like possibly a blood vessels that burst there.; feels sick; his body didn't feel right and he felt that way again yesterday when he felt so bad.; numbness and tingling right arm; tingling/numbness and tingling right arm; rash on the right arm; he has pain and a rash on his right arm; feeling like passing out; dizziness/lightheadedness; nausea; chest tightness/ chest was so tight and pulling.; pain in the arm at the injection site; headache; This is a spontaneous report from a contactable consumer (patient's mother).  A 15-year-old male patient received  the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE), dose 1 via an unspecified route of administration, administered in Arm Left on 14May2021 11:15 (Batch/Lot Number: EW0173; Expiration Date: Aug2021) as 1ST DOSE, SINGLE for covid-19 immunisation (Age at vaccination: 15 years). Medical history included asthma, allergy, acne, pain, Gastroparesis, eczema, red blotches /bright red dots on his whole body and anaphylaxis. Concomitant medications included cetirizine (CETIRIZINE) taken for allergy; beclometasone dipropionate (QVAR) taken for asthma; mometasone furoate (MOMETASONE FUROATE) taken for allergy; isotretinoin (ZENATANE) taken for acne; paracetamol (TYLENOL) taken for pain; sodium chloride (AYR SALINE, both nasal spray and nasal gel) taken for allergy; herbal extract nos, homeopathics nos (SIMILASAN) taken for allergy, all are ongoing. The patient previously took advil [ibuprofen] and experienced anaphylactic reaction (when he was about 4 years old in about 2009 or 2010.). The reporter who is mother of patient calling regarding the Pfizer Covid 19 vaccine. States she wanted to call and report some side effects from the vaccine for her son. Reports he received the first dose of the Pfizer Covid 19 vaccine 14May2021 at 11 15 AM in the upper left arm. He stayed extra minutes after the shot because he had anaphylaxis before and had red blotches before in the past. Reports after receiving the first dose of the Pfizer Covid 19 vaccine, when they got to the car he said his chest was so tight and pulling. That lasted 1 to 2 minutes only on that day (on 14May2021, 12:00). Since then and even on the very first day he has had dizziness; lightheadedness; and felt like passing out (on 14May2021, 12:00). Adds he has been having to go to the nurse's office for headaches for the last two days (occurred on 14May2021). The reporter states her son has been very disappointed and mad at her for making him have the vaccine.  Nausea - she adds her son also had some nausea (on 14May2021, 12:00). Right arm - he has pain and a rash on his right arm, the opposite arm from the shot, with numbness and tingling right arm (occurred on 17May2021); tingling. When he went to the nurse someone in that office mentioned that it looked like the blood vessels or veins in the bend of elbow, inside of the elbow that looked like possibly a blood vessels that burst there on an unspecified date. Pain in the arm at the injection site (occurred on 14May2021, 12:00) from the first day that is improved. The patient's body didn't feel right - when they started walking to the car his body didn't feel right and he felt that way again yesterday when he felt so bad. The first day and yesterday he felt his body didn't feel right (occurred on 17May2021, 11:45).  Dizziness - is mostly when standing up and is lasting a lesser amount of time and getting better. Feels the sensation of like passing out with the dizziness on standing. Headaches - he has every day but yesterday was terribly bad and today were the worst. The reporter mentions that the patient stated the he feels sick on an unspecified date. Outcome of the events loss of consciousness, dizziness and vaccination site pain was recovering. Outcome of the event chest tightness was recovered on 14May2021 while outcome of the events numbness and tingling right arm was recovered on 18May2021. Outcome of the events pain in arm, vascular injury and malaise was unknown. Outcome of the remaining events was not recovered.