PTU to Methimazole:
It's late and I just got home from my local CVS drug store where I picked up my new prescription. After nearly 5 years on Propylthiouricil (PTU) I'm switching back to Methimazole. Yesterday when I visited with my endocrinologist I told him that I hadn't been feeling well, and I could tell something was amiss. In addition, I've been having difficulty concentrating, feeling irritable, and in general not well. My lab results also came in first thing this AM and they're all out of the normal ranges. In adjusting my medication he wants me back on Methimazole to see if we can get a handle on the TSH, T3 and T4 levels where the PTU has failed. So that's what I'm going to do.
The importance of thyroid hormone and your brain functioning:
I also learned a lot about the effect of thyroid hormones on your brain during my visit yesterday. My doctor explained to me that the thyroid hormones (which regulate your body's metabolism) are essential to good brain functioning. Even though it weighs only ~ 3 pounds, your brain represents 25% of your body's metabolism. It takes a lot to keep it working properly. My doctor explained that people with poor thyroid functioning often feel edgy, irritable, even angry, and sometimes depressed.
My eyes:
On Tuesday I saw my eye specialist at the U of M Kellogg Eye Center who went through my normal 2+ hour screening and examination. He explained I have corneal abrasions (scratches on my cornea) on both eyes, about 25% on my right eye and a little less on my left eye. That's from blinking on dry eyes and seem to be getting drier by the minute. The good news is that my eyes, especially my right eye, has receded slightly. At least my eyes didn't move outward. But the bad news is I'm having pain with my optic nerves at least a couple times per day. It mostly happens when I turn my eyes quickly from one object to another, but not always. It's like a searing hot pain behind the eyeball. Oh it's painful. If you've read other parts of my blog you know that I've been dealing with Graves' for almost 7 years now and my eyes are still moving. That's more than twice the length of time of eye involvement for me vs. the average time it takes a patient for their eyes to settle down. Frustrating for sure. Especially when you never know where they'll wind up.
So that's it. I'm switching medications, I have issues with my eyes and my brain functioning is impaired due to the ever-fluctuating thyroid hormone levels which at this point in time are all abnormal in measurement. I'm headed back to my endocrinologist in 4 weeks to see if there is improvement.
Some days I feel like I can conquer anything including Graves' Disease; other days I feel like it's conquering me. Anyone else struggling as I am lately? Feel free to share your story. I'd love to know.


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