She was shaking really  bad at 1:00 in the morning; Her daughter felt like she couldn't move; She didn't sleep very much; She started not feeling well/ She really didn't feel good; Chills; Hands were very cold/ hands were freezing and finger nails purple; Fingernails were purple; Body aches; Heart was racing very fast./Her heart was beating really fast.; Low grade temperature of 103.2 F/ temperature was 101.5 F/ Fever; Arm sore and lumpy under arm pit/ It really felt lumpy under her arm pit.; Sore arms/she couldn't touch her arm pit because it hurt so much; She said her lymph nodes under her right arm seem like they are feeling better- before, she couldn't even put her arm down because they hurt so bad; She felt so sweaty; This is a spontaneous report from a contactable consumer (Patient mother). A 20-years-old female patient (daughter) received second dose BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Lot number: ER8733, Expiry date: Jul2021) via an unspecified route of administration in right upper arm on 20May2021 13:30 as SINGLE DOSE for covid-19 immunization. Medical history and concomitant medication was not reported. Patient historical vaccination was Flu vaccine on an unknown date in Sep2020 for immunization and first dose of BNT162B2 lot Number ER8733, Expiry Date: Jul2021 on 29Apr2021 at right upper arm for COVID-19 immunization and patient experienced little sore arm but it was no big deal. On 20May2021 patient experienced sore arms, had chills, her hands were very cold and her fingernails were purple. For a 3 hour period she had low grade temperature of 103.2F. Her heart was racing very fast. The mother gave her Tylenol in 15ml liquid form at 04:00 am and the temperature went down to 2 degrees. Her heart was still racing very fast at 5am. 3 hours later at 08:00 am her temperature was 101.5 F more Tylenol was given but her heart was still racing fast. Later that day it settled down. Her temperature went down to maybe a hundred and heart rate was slowly settling down. The mother said that it was really scary. They had call the doctor on Friday and talked with the nurse two times and the nurse said that they never heard anyone experienced a fever that high with the vaccine. She is asking if this was normal and if anyone has experienced this before. She is asking if ever there would be a third or booster dose, can her daughter take it after experiencing side effects after the second dose. She went back this past Thursday 20May2021 around 1:30pm for the second dose and she felt fine. About 10 hours later that night, she started not feeling well. She had gotten her second dose 3 days before and had a low grade fever, body aches, chills and didn't feel well for 24 to 48 hours. She started not feeling well and started getting chills. She was shaking really bad at 1:00 in the morning. She really didn't feel good. She took her temperature and it was 100.5. Her hands were freezing and her finger nails were purple. Her hands were cold and she was getting a fever. She guesses that can happen. Lasted a little longer from 1:00 until about 3:30 in the morning. Caller was up with her the entire night. Her fever went up to 103.2. Her heart was beating really fast. Caller was getting really scared and was thinking about taking her to the emergency room. She thought this was really weird. She gave her Tylenol trying to hold off. She was trying not to give her too much because there are dozens of interactions. She needed to give her something. Within an hour, it brought her fever down about 2 degrees and was then around 101.5. Her heart rate was still pretty fast. Was still a bit concerned but was glad her fever went down. Other than that, she seemed fine. Her daughter was drinking a lot of water to keep hydrated and was peeing a lot because she was drinking so much water. She seemed okay after that but her heart was still beating faster. Her daughter got up, she didn't sleep very much, and got up around 8:00 am, about 4 hours after taking the Tylenol. She didn't have a high fever but it was still around 101. She gave her more Tylenol and her heart was still beating fast. Reporter did not time it to see how fast it was. She could just tell that it was beating fast, like she was doing aerobics or something. Her daughter got the shot in her right arm. It really felt lumpy under her arm pit. Caller had read that some people get that, their lymph nodes get inflamed. Consumer only gave those 2 doses of Tylenol, her daughters fever got better. Her heart rate went back to normal and she seems fine now. She said her lymph nodes under her right arm seem like they are feeling better- before, she couldn't even put her arm down because they hurt so bad. She does seem to have improved; This was last Thursday and this is Tuesday. She did call the doctors office and talked to the nurse who said she hadn't heard of a fever that high. Said that sometimes when people get a fever, their heart rate can increase and that it is not unheard of. She didn't think that she had to be seen because she was improving. It bothered her the next few days. She heard on TV that kids were getting heart inflammation. Heart beating really fast: Reporter felt her wrist and felt her heart beating really fast. Lasted a little longer, until about 3:30 in the morning. Her daughters heart was beating so fast, it felt as if she were exercising but, she was sitting still. Her daughter seems fine now and caller has been checking her every day. Arm sore and lumpy under arm pit: This happened the next morning, Friday. Her daughter felt like she couldn't move and wanted to take a shower. She felt so sweaty and she couldn't touch her arm pit because it hurt so much. Reporter had read that some peoples lymph nodes get inflamed. It seemed better as the day went on. Treatment: Had  only 2 doses of Tylenol. Her daughter doesn't swallow pills, so she had given her Children's strength Tylenol that is for children ages 2-11. She had only given her 15ml, which for her wasn't a lot. It says it's for up to 80 pound kids. Gave her 15ml at 04:00 am and it did bring it down 2 degrees. She gave her the same dose at 8:00 am. It wasn't even an adult strength dose. Fever: Her daughter's fever went away. She went back to bed, she had only slept from 05:00 am to possibly 08:00am, and didn't even sleep well then. After the second dose of Tylenol, her daughter went back to bed. Later in the afternoon, when her daughter got up, it seemed like she had a fever but a low grade fever, probably around 100. She hasn't seen it go back up. It seemed like it had settled down. Caller has been checking every day. Chills: Occurred after the second dose, maybe about 10 hours after on 20May2021. Called the CDC yesterday but was not able to talk to a person. She left some messages with the vaccine adverse something but no one ever called her back. Tests: She hasn't had any blood work done recently. She had her yearly check up last September. Adverse Event: Fever, body aches, chills, shaking really bad about 1:00am. had called the doctor's office and talked to the nurse twice. Was told that if she had swelling in throat to go to the ER. Prior Vaccinations (within 4 weeks): No, her last vaccine was the flu vaccine last September. Outcome of the events sore arms, Chills, Hands were very cold/ hands were freezing and fingernails purple, Fingernails were purple, Body aches and She started not feeling well/ She really didn't feel good, Her daughter felt like she couldn't move, She was shaking really bad at 1:00 in the morning, she didn't sleep very much, Arm sore and lumpy under arm pit/ It really felt lumpy under her arm pit. and She felt so sweaty was unknown and Heart was racing very fast./Her heart was beating really fast and fever was recovered on an unknown date, She said her lymph nodes under her right arm seem like they are feeling better- before, she couldn't even put her arm down because they hurt so bad was recovering.   Information on Lot/Batch number was available. Additional information has been requested.