heart rate wasn't normal; At night feels like she is baking in an oven /Back of neck becomes hot /body overheating; skin flushing in heat /Face became flushed and hot; transient tachycardia; This is a spontaneous report from a contactable consumer or other non hcp. A 38-years-old female patient received BNT162B2 (Formulation: Solution for injection; Batch/Lot Number: EN6206), dose 1 via an unspecified route of administration, administered in Arm Left on 08Mar2021 19:00 (Batch/Lot Number: EN6206) as DOSE 1, SINGLE for covid-19 immunisation. Medical history included general health and wellness, like a vitamin supplement from an unknown date and unknown if ongoing. Concomitant medications included vitamin c [ascorbic acid] (VITAMIN C [ASCORBIC ACID]) (She started it about 2 months ago. She stopped taking it a day or two after she got the vaccine) taken for general health and wellness, like a vitamin supplement, start and stop date were not reported; vitamin d [vitamin d NOS] (VITAMIN D [VITAMIN D NOS]) (She started it about 2 months ago. She stopped taking it a day or two after she got the vaccine) taken for general health, start and stop date were not reported; curcuma longa (TURMERIC [CURCUMA LONGA]) (She started it about 2 months ago. It is a proprietary complex and says 727 mg. She stopped taking it a day or two after she got the vaccine), taken for general health and wellness, like a vitamin supplement start and stop date were not reported. On 08Mar2021 19:30 caller stated she got the vaccine 3 weeks ago today on 08Mar2021. Since then, she has been having transient tachycardia and skin flushing in heat, at night especially. She stated her skin is hot but not to the touch, she just feels hot. She wanted on some information on if she should proceed with the second vaccine. She is supposed to get the second one today. She asked if she waited and got it at 4 weeks if that would be okay. She stated the person administering it said you can get it within 4 days of the 3 weeks. She asked if that was true. Caller received the first dose of the covid vaccine on 08Mar2021, and there have been some strange things since then. 30 minutes after the vaccine her face became flushed and hot. Since then, at night, she feels like she is baking in an oven. The back of her neck becomes hot. When she is under the covers she can't cool off. She has also experienced transient tachycardia. She is supposed to receive the second dose today. She saw a physician and a cardiologist. She is looking for guidance on if she should get the second dose of the vaccine. She asks if anyone else has reported these symptoms. She overheats in the night and gets really hot. It is improving. It goes from her neck, head, and face, and goes to her whole body when she is under the covers. She got to a point the week after the vaccine where she felt like she was in an oven. She never had a fever. She was seen for tachycardia at the doctor on Tuesday the 23rd. She isn't sure when it started, the week of the 14th, about a week before that. Her biggest complaint was the heat thing. She occasionally has it, but it has improved. It was pretty bad last Monday when she saw the physician. Adverse Events Face flushed, body overheating, transient tachycardia. Time of Onset the face flushing started about 30 minutes after she got the vaccine, about 7:30. The body overheating started about 10 pm, it started that evening of the 8th. She couldn't be sure when she noticed the transient tachycardia re-turn, it was that week or the week after. It happened after her vaccine on the 8th, then resolved, then became transient. The adverse event result in doctor or other healthcare professional office/clinic vis-it. She was seen at the physician last week after all the symptoms started. They did blood work and an EKG and nothing was abnormal, just her heart rate wasn't normal. They prescribed corag, but she hasn't taken it. Her physician prescribed it then she saw the cardiologist and they said she didn't need it. There isn't much information out there. Her cardiologist said he had seen people who had the same symptoms, but he's the only one who has said that. On an unspecified dare patient underwent lab tests and procedures which included blood test: nothing was abnormal; electrocardiogram: nothing was abnormal; heart rate: wasn't normal. The outcome of the event heart rate wasn't normal was un-known and outcome for other events was recovering.  No follow up attempts are possible. No further information is expected.