Hypothyroidism and cold sores: Hi I would really... - Thyroid UK

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Hypothyroidism and cold sores

LOUPS profile image
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Hi I would really like some advise. I have been taking 75mg and 50mg of levo on alternate days and I have been feeling pretty much back to normal the last four weeks since diagnosed with hashimoto's hypothyroidism in February. That is until last week, when I developed a coldsore and that day I felt pretty dreadful and hardly slept that night due to vertigo - feeling quite sick and hot flushes....this has continued for the last week. The dizziness in at its worst when I lie down so I'm not sleeping much at night, so feel pretty exhausted and I am also quite constipated and feeling what i call thyroidy - quite jittery...

Today I had a TSH test - my routine one every two months and i have just got the result back - TSH 18.609 (0.550-4.780). My previous one in September was 0.924 -I had just started to feel good then.

Do you think the herpes virus has caused the jump in my TSH? Do you think the TSH can drop again once the cold sore has gone? Any advise would be really appreciated. Thanks

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SlowDragon profile image
SlowDragonAdministrator

Most likely coincidence

It is pretty normal to need slow dose increase over time. Hopefully your GP has increased by 25mcgs with blood test for 6-8 weeks time

Swings in levels suggests you have Hashimoto's, diagnosed by high thyroid antibodies. Have these been tested?

Ask GP to test if not been done, also testing of vitamin D, folate, B12 and ferritin recommended. These are often too low especially with Hashimoto's

LOUPS profile image
LOUPS in reply to SlowDragon

Thanks for your reply.. yes i do have hashimotos. It was just so surprising as have been feeling on really good form until the day the cold sore erupted. I don’t feel terrible now ( not like I did in February when my TSH was around 12) except for the dizziness/vertigo especially at night. I will make an appointment with the doctors for an increase...

SlowDragon profile image
SlowDragonAdministrator in reply to LOUPS

Dizzy/vertigo could well be B12

Pretty common with Hashimoto's

b12deficiency.info/signs-an...

With Hashimoto's, until it's under control, our gut can be badly affected. Low stomach acid can lead to poor absorption of vitamins. Low vitamin levels stop thyroid hormones working.

Poor gut function can lead leaky gut (literally holes in gut wall) this can cause food intolerances. Most common by far is gluten

According to Izabella Wentz the Thyroid Pharmacist approx 5% with Hashimoto's are coeliac, but over 80% find gluten free diet helps significantly. Either due to direct gluten intolerance (no test available) or due to leaky gut and gluten causing molecular mimicry (see Amy Myers link)

But don't be surprised that GP or endo never mention gut, gluten or low vitamins. Hashimoto's is very poorly understood

Changing to a strictly gluten free diet may help reduce symptoms, help gut heal and slowly lower TPO antibodies

thyroidpharmacist.com/artic...

thyroidpharmacist.com/artic...

amymyersmd.com/2017/02/3-im...

chriskresser.com/the-gluten...

scdlifestyle.com/2014/08/th...

drknews.com/changing-your-d...

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