Iodine and MSG allergy

I got turned on to Iodine about 10-12 years ago. At the time I had tachycardia, dry skin, lumpy breasts, cold hands and feet, Depression and exhaustion. I dreaded to get up in the morning. I also have a history of Mono-Sodium-Glutamat (Natrium Glutamat) migraines and asthma.

I got on Iodine and ramped it up as quickly as possible. Within two weeks I was waking up at dawn looking forward to my day. Depression gone. Tachycardia gone. Cold hands and feet gone, but my fingers and toes stayed cold. No more morning depression. I felt like Popeye on a can of spinach. Love love love the iodine. I did several rounds of really high dosing over the years for various reasons, but I never could get my fingers and toes to warm up like my hands and feet had. I even took it until I sneezed one time. My doctor was worried about my TSH report the next time I went in. But I lowered the dose and my thyroid tests normalized.

8 years later I was still trying to figure out why my fingers and toes had not warmed up. A pharmacist suggested I try Eco-thyroid. I took some of that and it warmed up my fingers and toes, but not the tips of them. Two weeks after I started taking Eco-thyroid, I started having loud tinnitus. It felt like the top of my head was going to blow off. I started waking up in the morning with a headache and it felt like there was water in my brain. My symptoms made me think I was having a thyroid storm and/or I had a hyperparathyroid problem. But all those tests came up negative. I still cannot sleep for more than 3-4 hours most nights, before I get really loud tinnitus and headache that wakes me up.

During waking hours just the tiniest little bit of Iodine makes the top of my head feel like it is going to blow off like a volcano. I haven't been able to take iodine in nearly two years without giving myself a terrible headache. So now the depression, tachycardia and cold hands and feet are back. I am so troubled by all this. I made an appointment with a neurologist. He has ordered MRA, MRI, and ultra sound for my head and neck because my neck is hurting on the right side, especially near my thyroid gland. At times it feels like there is a wire around my neck trying to choke me.

I am waiting for these appointments. Meanwhile the Neurologist has prescribed Gabapentin, which is for epilepsy which is supposed to help my brain manage glutamate. He thinks this is a glutamate storm problem. In reading about glutamate storms I have learned that people with glutamate allergies are not supposed to increase their medicine rapidly or take too much at first. We are supposed to start very low, and increase slowly.

I have also read that Iodine plays a significant role in the proper use of glutamate. So I am still trying to figure out why I can't take it any more, not even in really small amounts. And it seems to be related to my thyroid gland, since taking Eco-Thyroid is what triggered all this for me, but all of my thyroid tests are coming up normal.
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