inflamed throat; headache muscle pain, sore throat, negative covid test. terribly fatigued, body feels hot inside after taking the 1st dose of the Pfizer Covid vaccine; headache muscle pain, sore throat, negative covid test. terribly fatigued, body feels hot inside after taking the 1st dose of the Pfizer Covid vaccine; headache muscle pain, sore throat, negative covid test. terribly fatigued, body feels hot inside after taking the 1st dose of the Pfizer Covid vaccine; headache muscle pain, sore throat, negative covid test. terribly fatigued, body feels hot inside after taking the 1st dose of the Pfizer Covid vaccine; headache muscle pain, sore throat, negative covid test. terribly fatigued, body feels hot inside after taking the 1st dose of the Pfizer Covid vaccine; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team.  A 16 year-old female patient received bnt162b2 (BNT162B2), administration date 14Mar2021 (Batch/Lot number: unknown) 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: PHARYNGEAL INFLAMMATION (non-serious) with onset Mar2021, outcome "unknown", described as "inflamed throat"; HEADACHE (non-serious), MYALGIA (non-serious), OROPHARYNGEAL PAIN (non-serious), FATIGUE (non-serious), FEELING HOT (non-serious) all with onset Mar2021, outcome "unknown" and all described as "headache muscle pain, sore throat, negative covid test. terribly fatigued, body feels hot inside after taking the 1st dose of the Pfizer Covid vaccine". Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: Grandmother had called regarding 16 year old granddaughter who woke up with severe headache muscle pain, sore throat, negative covid test, terribly fatigued, body feels hot inside after taking the 1st dose of the Pfizer Covid vaccine on 14Mar2021. Grandmother stated that the child had been taken to urgent care due to severity of the symptoms. She was found to have an inflamed throat. It had been 5 days and symptoms had not subsided but gotten worse. "Her daughter was going to take her now to see her doctor. Inquired "Should she take second dose?" The mother of the Child arrived and the phone was passed to her (Name) and she stated "That daughter will take second dose of vaccine and " she took the vaccine also , but her symptoms were not this bad, she had a headache for a couple of days and than it went away. How long does it normally take for the common symptoms of the covid vaccine to go away?" Second Interaction created in order to capture AE for mother as she stated above side effects. INT # AE E-transmitted as duplicate, grandmother stated that she had spoken to someone and was transferred to MI. Glad that she was following up with her HCP as they know her granddaughter best and can give her the advice she need as to how to proceed.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-2021308106 Same reporter/same drug, different patient/ event(split)