no appetite but eating 3 to 4 meals a day; feeling sickly; nausea; Chills; dropping weight from 121 pounds down to 107 pounds; body aches; sleeping 16 hours a day; This is a spontaneous report from a contactable consumer (patient).   A 61-year-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot Number: FC3181) via an unspecified route of administration, administered in Arm Left on 11Aug2021 14:30 (age at the time of vaccination was 61-year-old) as a single dose for covid-19 immunization. Medical history included hepatitis c from 2006, seizure from 2002, diverticulitis from 2008, this seemed to be the opposite of like it usually was, she said that she was usually just constantly going to the bathroom, but it was not like that now, Glaucoma which was diagnosed about 4 years ago and eye infection bacterial. Concomitant medications included erythromycin taken for eye infection bacterial from 03Aug2021 and ongoing. On 16Aug2021, the patient experienced dropping weight from 121 pounds down to 107 pounds, body aches and sleeping 16 hours a day. On an unspecified date, the patient experienced no appetite but eating 3 to 4 meals a day, feeling sickly, nausea and Chills. She reported that she received her first dose of the Pfizer COVID-19 vaccine on 11Aug2021 and on 16Aug2021 she started to experience the following symptoms 4 days later felt sickly, dropped weight from 121 pounds down to 107 pounds, body aches achy all over and hurting, slept 16 hours a day can't even stay awake, nausea but no vomiting, no appetite but ate 3 to 4 meals a day. She asked if these were normal side effects from the vaccine this long after taking the first dose. She is having side effects and she might be allergic to it. She said that the symptoms are 8 days after the shot. She has been sick and she can't even stay awake. She still has the taste and smell though. She said that she had no redness at the injection site and no fever. She was losing weight and trying to eat. She felt like she has narcolepsy and can't stay awake and is sleeping 16 hours a day. She did not knew what it was and it was a such a change in her body. She said that she thought, they need to wait more than 3 weeks for the second dose. When probed for concern, the consumer stated that she was wondering if there was something. She just got the COVID shot on the 11 and 8 days later she was sick, body ache, chills, did not have fever and was sleepy all the time. She could not stay awake and her weight loss went from 121 to 107. Although she was eating Trampo (Not clarified) meals that to keep her weight on, it was still dropping. Could she be allergic to something in it. No additional vaccines were Administered on same Date of the Pfizersuspect. She had no prior vaccinations within 4 weeks and prior to the first administration date of the suspect vaccines. She had no adverse events following prior vaccinations. Her mother and grandmother have diabetes but she doe snot have that. She is healthy as a horse otherwise. No Relevant tests were done. Additional Information : It was 8 days now and she was adjusting of getting sick. The patient underwent lab tests and medical procedures on an unspecified date, which included weight 120 lbs on dropped down to 107lbs. The clinical outcome of events dropping weight from 121 pounds down to 107 pounds, body aches and sleeping 16 hours a day was not recovered, while the clinical outcome for no appetite but eating 3 to 4 meals a day, feeling sickly, nausea and Chills was unknown.  Follow-up attempts are completed. No further information is expected.