Nausea; Dizziness and room spinning; room was spinning; her white blood cell count was elevated; Kidney failure and allergic reaction; Allergic Reaction; still wasn't feeling normal; Could not keep head up and was in bed; breathless; extreme fatigue; exhausted and weak; Heart was banging fiercely; Totally dehydrated; Urinating a great deal more; Chills, shakes and felt terrible; Chills, shakes and felt terrible; sicker every single day/sick/felt terrible; This is a spontaneous report from a contactable consumer (patient). A 74-year-old female patient received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, lot number: EL8982), via an unspecified route of administration on the left arm on 18Jan2021 14:30 at a single dose for prevention for COVID. Medical history included hip replacement on 04Jan2021 and fibromyalgia (When her children were younger, she was told she had Fibromyalgia). Family history includes diabetes (father late onset) and very rare cancer (mother). There were no concomitant medications. It was reported that the patient received the 1st dose of the Pfizer-BioNTech Covid-19 Vaccine and got sick the next day (19Jan2021). She also mentioned that she got sicker every single day. Then after 8-9 days, she said she started to feel better, but still wasn't feeling normal. She said she had extreme fatigue, was breathless, and felt exhausted and weak on an unspecified date. She said she was supposed to receive the 2nd dose of the vaccine this Monday (unspecified date), but because of her side effects, she was told that she can come back to receive the 2nd dose after 6 weeks. She wants to know if this is acceptable. The patient reported that on 19Jan2021, she woke up in the middle of the night with chills, shakes, and felt terrible. She cancelled her plans for Tuesday (as reported). On Wednesday, she forced herself to get up and went out for lunch and came home.  She could not keep her head up and went back to bed and that lasted several days. It got worse before it got better. She ended up being hospitalized for 4 days (25Jan2021 to 29Jan2021).  It appeared to be she was in Kidney Failure and experienced allergic reaction on 25Jan2021 and her white blood cell count was elevated (unspecified date). She went to the ER and they kept her 6-8 hours and discharged her on a Friday and by Monday, she was admitted to the hospital. The first ER visit, she was there for 6-8 hours and they sent her home.  They gave her IV fluids and took a lot of tests. The patient's first ER visit was on 22Jan2021, and was kept for 6-8 hours and released. She was given IV fluids and they did a lot of tests. She went to see her doctor and sent her to the emergency room. They took her blood, EKG and everything seemed ok. Creat was 1.0 and by Monday it was 1.6 and then on Friday it was 1.9 (unspecified dates). She was admitted to hospital on Monday and they gave her IV fluids and did kidney test and admitted her as soon as she could get a room.  She never had a problem before with her kidneys.  They did bacteria test and they were normal. The patient called her doctor on 24Jan2021, because she was nauseous, dizzy, and room was spinning and she felt worse. She went to his office on Monday morning and he put her right in the hospital (unspecified date).  She got worse and now it is improved. Heart was banging fiercely on 22Jan2021 20:00. They took an Echocardiogram.  She has never had a cardiac problem and could not find anything wrong with her heart. The patient started feeling a bit better.  She was sick as can be through Sunday. By Tuesday (unspecified date), she was a little better and today is a little better.  She is urinating a great deal more because of fluids, but later said it started the day after she got it.  She had to get an aide to take care of her. The patient experienced totally dehydrated on 22Jan2021 14:00 and urinating a great deal more on 19Jan2021 03:00. Therapeutic measures were taken as a result of kidney failure, allergic reaction and white blood cell count was elevated. The outcome of the events sicker every single day/sick, chills, shakes and felt terrible was not recovered; event could not keep head up and was in bed recovered with sequel; events nausea, dizziness and room spinning, heart was banging fiercely, totally dehydrated, urinating a great deal more was recovering; while unknown for the rest of the events.