is still experiencing vomiting, tired, dizzy, hungry, thirsty; is still experiencing vomiting, tired, dizzy, hungry, thirsty; is still experiencing vomiting, tired, dizzy, hungry, thirsty; has pain in his lower stomach; is still experiencing vomiting, tired, dizzy, hungry, thirsty; Nauseous; woke up puking on Saturday morning and it has not stopped; had a poor night's sleep that night; chills; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the parent.  A 21 year-old male patient received bnt162b2 (BNT162B2), administered in deltoid right, administration date 23Apr2021 14:00 (Lot number: ER8736) at the age of 21 years as dose 1, single for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: POOR QUALITY SLEEP (non-serious) with onset 23Apr2021 05:00, outcome "unknown", described as "had a poor night's sleep that night"; CHILLS (non-serious) with onset 23Apr2021 05:00, outcome "recovering", described as "chills"; VOMITING (non-serious) with onset 24Apr2021, outcome "not recovered", described as "woke up puking on Saturday morning and it has not stopped"; THIRST (non-serious), FATIGUE (non-serious), DIZZINESS (non-serious), HUNGER (non-serious), outcome "unknown" and all described as "is still experiencing vomiting, tired, dizzy, hungry, thirsty"; ABDOMINAL PAIN UPPER (non-serious), outcome "unknown", described as "has pain in his lower stomach"; NAUSEA (non-serious) with onset 24Apr2021, outcome "not recovered", described as "Nauseous". The events "woke up puking on saturday morning and it has not stopped" and "nauseous" were evaluated at the physician office visit. Therapeutic measures were taken as a result of vomiting, nausea.  Additional information: The patient received the first dose of the Pfizer COVID-19 vaccine on Friday 23Apr2021 at approximately 2:00 PM PST at a drive through vaccine clinic. At around 5:00 PM that evening the patient started having "chills, had a poor night's sleep that night, woke up puking on Saturday morning and it has not stopped. He went into the Kaiser clinic on Saturday and Sunday. He received nausea medicine on both days but is still experiencing vomiting, tired, dizzy, hungry, thirsty, and has pain in his lower stomach. Not sure if he had a fever or not but he did have chills so he probably did. Chills have improved. Nausea and puking violently began on Saturday. The patient went to the urgent care and was given a low dose of a nausea medication. It didn't help and the patient went back on Sunday to the same place and got a higher dose of the medication that helped. These symptoms are persisting. The AE did not required to visit emergency room. The patient visited physician office for events nauseous, puking violently all weekend. The patient did not received any vaccination with in 4 weeks prior to vaccination. The patient had no AE prior to vaccination. Denies if had any medications, medical conditions, labs, testing, or treatments relevant to event. Reporter seriousness for Nauseous, Puking violently all weekend, Chills was Unspecified.  No follow-up attempts are possible. No further information is expected.