Hips were sore and achy.; Hips were sore and achy.; She was exhausted; Restless sleep; Diarrhea; Felt a little different; her cheeks were the reddest red she has ever seen; top of her head felt like a plate was on it; This is a spontaneous report from a contactable consumer (reported for himself). A 65-years-old female patient received first dose of bnt162b2 (BNT162B2, solution for injection, Batch/Lot Number: EL8982) administered in left arm via intramuscular route on 20Jan2021 at 09:20am as SINGLE DOSE for covid-19 vaccination. Medical history included family history of Asthma, Thyroidectomy in 2008, Parathyroid disorder. Concomitant medications included Levothyroxine (LEVOTHYROXINE) (100mcg by mouth in the morning) from 2008 as ongoing, Calcitriol (CALCITRIOL) (0.5 mcg daily by mouth) 2008 as ongoing, Calcium Citrate (CALCIUM CITRATE) (1000 mg once a day by mouth) as ongoing. It was reported that parathyroid never returned and patient has to take calcitriol. On an unknown date, the patient experienced hips were sore and achy, she was exhausted and restless sleep. The outcome of the events was unknown. On 20Jan2021, the patient cheeks were the reddest red she has ever seen and top of her head felt like a plate was on it and Felt a little different. The events were recovered on 21Jan2021. On 21Jan2021, the patient had diarrhea. The event diarrhea was recovered in Jan2021.  It was reported that the patient received her first dose 20Jan2021 at 9:20am, about 10 hours later at 7:30pm patient reports that the top of her head felt funny, don't know how to describe it. Patient felt like a lid was on head and she would not describe it like a headache. Patient also had flushing of her cheeks stating they were very red, and patient was lit up like a tree. Patient treated this with a cold rag.  Patient reports that did not have any of the following event's nausea, fainting, fever, chills, swelling, or welps. Patient took 2 Tylenol to treat the redness, and had a restless night of sleep, upon waking in the middle of the night, the flushing had subsided along with the head symptoms. In the days following vaccination, patient reported 3 days of bad diarrhea. Patient also states she was relatively healthy and active, but her hips were sore and achy after vaccination, but she powered through her 30-minute walk, anyway. Patient wants to know should she receive the second dose of the vaccine as scheduled on 10Feb2021 and should she expect the same AE's. How can she treat them and does she need an Epipen or should she take Benadryl. It was reported that patient received the first dose a week ago as of Wednesday on the 20Jan2021 and in 3 weeks patient was scheduled to revaccinate with the 2nd dose on 10Feb2021. Patient considers a reaction something that happens within 30 minutes of getting a medication and a side effect is something that happens after that. patient reported that she received the first dose on 20Jan2021at 09:20am and exactly 10 hours later that night, patient felt a little different and the very top of her head felt like a plate was on it. It was like a headache, stated that was a little pressure. Patient stated that her cheeks were the reddest red she has ever seen. Patient did not feel like she had a fever or was chilly. She said that her cheeks were flushed. Patient was worried about and has heard about people that have died, gotten bell's palsy, and had strokes. No further details provided. Patient said that she also had diarrhea for about 3-4 days that was pretty bad and drinks lemon water constantly anyway. Patient said that she took 2 Tylenol to treat herself and went to bed and woke up a hour to 1.5 later. The redness in her cheeks were gone. Patient said that she had no shortness of breath, no fever, and no chills. Patient was just scared what would happen next. She was exhausted and thought rest would help her. Patient reported that she still had the feeling in the top of her head at that time she did not sleep well because she was worried. Patient describe it as a restless sleep. Patient stated that the only other thing she noticed was her hip joint were achy. When she got up the next day, patient realized the top of her head and feeling different resolved on 21Jan2021. Diarrhea resolved in the last 2-3 days. Patient ate and drank a lot of liquids and takes vitamins and described them as really good liquid vitamins and she stopped taking it 2 weeks prior to the vaccine and just ate well instead.  Follow-up attempts were completed. No further information was expected.