Fever; body really hurts, bones were hurting her; Cold, shivering; been in bed since 2 am, can't get up or do anything; headache/migraine; her head feels heavy; Sore arm; Cold, shivering; sweating; headache/migraine; her head feels heavy; headache/migraine; her head feels heavy; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 21 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 11Aug2021 17:30 (Lot number: FC3180) at the age of 21 years as dose 2, single for covid-19 immunisation. The patient's relevant medical history was not reported. Concomitant medication(s) included: LEVOTHYROXINE taken for thyroid disorder. Vaccination history included: Bnt162b2 (Vaccine Name: First dose , Lot Number / Expiry Date:FA6780 / Unknown , Route, Anatomical Location:  unknown/ left arm, No. of Previous Doses: This was dose 1 of 2.), administration date: 21Jul2021, when the patient was 21 years old, for COVID-19 Immunization. The following information was reported: PYREXIA (non-serious) with onset 11Aug2021, outcome "recovered" (2021), described as "Fever"; PAIN (non-serious) with onset 11Aug2021, outcome "recovered" (2021), described as "body really hurts, bones were hurting her"; FEELING COLD (non-serious), CHILLS (non-serious) all with onset 11Aug2021, outcome "recovered" (2021) and all described as "Cold, shivering"; LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (non-serious) with onset 11Aug2021, outcome "recovered" (2021), described as "been in bed since 2 am, can't get up or do anything"; HEADACHE (non-serious), MIGRAINE (non-serious), HEAD DISCOMFORT (non-serious) all with onset 11Aug2021, outcome "not recovered" and all described as "headache/migraine; her head feels heavy"; PAIN IN EXTREMITY (non-serious) with onset 11Aug2021, outcome "recovered" (2021), described as "Sore arm"; HYPERHIDROSIS (non-serious) with onset 11Aug2021, outcome "recovered" (2021), described as "sweating". Therapeutic measures were taken as a result of pyrexia, pain, headache, pain in extremity.  Additional information: The caller states she had her second shot yesterday. Caller clarifies she is referring to the Pfizer COVID-19 shot. She knows side effects of the shot can include fever, but she had a hot fever at night. She tried to go to sleep but her head was hurting so bad. She has been in bed since 2 am. Her body really hurts. She was shivering as well. It's like she can't get out of bed, she can't do anything. Her head feels heavy, like she has a really, bad headache. She states she feels way better now than she did yesterday. Yesterday, she had a fever, she felt cold and then her fever went a little higher. Today, she doesn't feel as bad, her body feels fine, it's just that she can't get out of bed because her head hurts so much. She took Tylenol. She states she didn't take the over-the-counter Tylenol, she was told not to take that. She went to the pharmacy and told them she had her COVID-19 vaccine and she was given the Tylenol out of the pharmacy. She confirms the Tylenol she took is not over-the-counter, it's actually from (withheld) Pharmacy that she got from the pharmacy/doctor.   She confirms she received her second shot of the Pfizer COVID-19 vaccine yesterday,11Aug2021. She clarifies after midnight, she felt like very cold and like her bones were hurting her. She was shivering. She states it took her a few hours to go to sleep, but she went to sleep. She states she woke up very hot and she was sweating. She was sleeping without clothes on. She states now, she is okay, she is just a little warm. She just can't get up to do stuff, like make food or anything because her head hurts, it's like a migraine. She confirms her body and bones no longer hurt anymore. Her arm is sore of course, but that's normal because of the shot. It's just her head really hurts now. She states she is on her period, she doesn't know if that affects anything.  She takes a medication for her thyroid, she was already taking this medicine before the shot. She mentions with the Levothyroxine, she can't eat or do anything before taking this medicine. She has to wait 30 minutes after taking it before she can eat. She has to take this medicine every day for the rest of her life.   Follow-up attempts are completed. No further information is expected.