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Thread: Fast heart rate and fever after 2nd Moderna dose

  1. #1
    Join Date
    Oct 2009
    Posts
    273

    Fast heart rate and fever after 2nd Moderna dose

    Hello!

    I got no side effects from the first dose apart from a sore arm and the delayed rash that appears 8/9 days later. I did start to develop chest pains and ended up in A&E to rule out clots and stuff but Iím putting that one down to my anxietyÖ

    Yesterday was my 2nd attempt at getting my 2nd doseÖhad a panic attack the first time and ran. So I managed to do it yesterday and I am going through HELL.

    The fatigue and arm pain started a few hours after but I wasnít too concerned, then last night I developed a fever of 38.5 and my heart rate climbed sky highÖitís been consistently at 100bpm. I looked at my Fitbit and it did go down to 74 momentarily when I was asleep but my heart rate in my sleep is usually in the 50ís and my resting heart rate is 69bpmÖIím lying down typing this now and my heart is at 97bpm. Iím so incredibly worried I feel honestly like absolute shit itís completely wiped me out my head is pounding, everything hurts and I feel like Iíve been hit by a busÖliterally feels like Iíve got the flu.

    Itís my heart rate Iím the most worried aboutÖitís terrifying me 😢
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  2. #2
    Join Date
    Jan 2016
    Posts
    1,274

    Re: Fast heart rate and fever after 2nd Moderna dose

    That’s not a high heart rate at all. And, it’s totally normal for the heart rate to be elevated when you have a fever. Take some Tylenol and get some rest, side effects from the second dose didn’t last long for me at all, about 12 hours.

  3. #3
    Join Date
    Jul 2017
    Posts
    695

    Re: Fast heart rate and fever after 2nd Moderna dose

    I did have a higher resting heart rate after my second dose for two days. I didnít put two and two together until yesterday while discussing with my friend but even though it was higher it was normal. 100 beats per minute is not sky high and it isnít dangerous, normal is 60 to 100 not to mention its completely normal to have an elevated heart rate while running a fever. Hang in there, it wonít last long.

  4. #4
    Join Date
    Dec 2020
    Posts
    62

    Re: Fast heart rate and fever after 2nd Moderna dose

    That's nothing, I've had 120-170 heart rate from fear and simple anxiety. Yesterday I went to get the first dose and failed but still had extremely fast heart rate and if I got vaxxed, I would think it's vaccine but it's just anxiety.
    I have had 170 when I had a stomach flu, also from fever and anxiety, I was in hospital but they weren't concerned about it.

  5. #5
    Join Date
    Jul 2018
    Posts
    268

    Re: Fast heart rate and fever after 2nd Moderna dose

    Sounds completely normal! That's not a high fever at all really, and heart rate is on the higher side of normal. It fluctuates a lot and can increase when you have a fever and with anxiety.

  6. #6

    Re: Fast heart rate and fever after 2nd Moderna dose

    Hi how ate you getting on? I can sympathise massively. I had my 3nd dose of pfizer yday and also fee awful. So dizzy and kee feeing like im about to faint. Also really bad stomach pain. Iv read so many bad things i fee terrified xxx


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  7. #7
    Join Date
    Mar 2020
    Posts
    3,452

    Re: Fast heart rate and fever after 2nd Moderna dose

    Quote Originally Posted by lillypops View Post
    Hi how ate you getting on? I can sympathise massively. I had my 3nd dose of pfizer yday and also fee awful. So dizzy and kee feeing like im about to faint. Also really bad stomach pain. Iv read so many bad things i fee terrified xxx


    Sent from my iPhone using Tapatalk
    Was that the booster jab Lillypops?

    Try not to get too bogged down with all the negative media hype and conspiracy theories about vaccines running riot online. I felt a bit iffy for about 24 hours or so the day after being Pfizered for the second time back in early May, but OK afterwards.

    Hopefully you'll now be well protected against actual Covid ahead of the autumn/winter season.

  8. #8

    Re: Fast heart rate and fever after 2nd Moderna dose

    Sorry that was supposed to day 2nd i fee awful im just hoping it gets better. Im guna start a . Thread an c if any1 can offer some words of wisdom to keep me sane for the next few days xxx


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