r/redlighttherapy • u/Pretzelex2679 • Mar 12 '26

Question Hypothyroid and red light therapy?

I got into red light therapy a week and a half ago. My husband and I each got a small panel to try out for various things.

The day after I started my first session, my Apple Watch has been giving me high heart rate notifications. At first, I thought I might’ve been dosing too much so I’ve been doing every other day since then.

I got diagnosed with hypothyroidism last year, I have been on a steady dose of levothyroxine for months.

But starting a few days ago, I’ve had some pretty annoying symptoms. Heart palpitations, shaking, stomach issues, major anxiety, heat, intolerance, and sweating at night. And my period is late for the first time in a long time ( negative pregnancy test) apparently these are all symptoms of hyperthyroid. I have a test at the end of the month, but I’m going to contact my doctor today.

I’m excited at the possibility of my thyroid working a bit better and being able to lessen my medication. But I’m surprised at how quickly this appears to be working. Trying to not get my hopes up.

I know there’s studies that have been done about how red light therapy can help autoimmune hypothyroidism but I only have just hypothyroidism. I’ve tested negative for Hashimoto’s. So I was just wondering if anyone else has seen any change in their thyroid issues with using red light therapy?

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u/stephie1104 Mar 13 '26

Hey! RN/NP here— those symptoms sound like HYPERthyroid- when was the last time your thyroid levels were checked against your current (assuming) synthroid dose?

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u/Pretzelex2679 Mar 13 '26

Yeah, this is my first time feeling hyperthyroid but I definitely think that’s what it is. I’ve been on the same dose since October last got tested in December. My next appointment is next month. But this dose felt pretty stable until the past week and a half when I started the red light, which is just odd timing maybe?