Can I please ask if its normal to have a pounding heartbeat? I started on 50mg levo at the beginning of this month after tsh of 17.6 (0.35-5.50) free t4 11.2 (11.0-23.0). I have a resting pulse of 60 - 70bpm but sometimes I'm very conscious of it. This morning (fortunately a day off) I couldn't stay awake and at one point I was dozing but feeling out of it and all I could feel was my heartbeat all over my body! It got quite scary at times I've been ok this afternoon though still exhausted.
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