It is becoming evident to me that my hypothyroid meds are in the act of either extra dry hair or the fingernails you folks are describing.
With doctor agreeing, I changed amount of Levoxyl to see what it would do for my hair as it was wiry feeling. Now after six months of taking a higher dose, it is my fingernails that have ridges, breaking off in layers and are thickening at the edges where skin meets nail bed.
My fingernails were growing fine during time my thyroid med had been changed.
Guess I'd rather have my hair back to normal texture and have to give extra care to my nails. Either way it's a downer!!
Feel it is connected to Sjogren's and also thyroid... as about 15 years ago my toenails got so thick and I took med orally that was suppose to kill fungal 'stuff'. Finally, they got in such a bad shape and I spent hours soaking and trying to keep them from becoming infected. So, I had all the toe nails & beds removed...
Now at 69 one of the big toenails is trying to grow back... On other foot toe next to big one has what podiatrist describes as one cell left. Three times now P has tried to get out the root but with no success.
If someone finds something to help with nails, please share.