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Doctor insights on: Over Active Thyroid Brain Fog

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I had cure autoimune disease I am of 17years can my thyroidism and brain fog due to med can cure.How long i need to take med further?

I had cure autoimune disease I am of 17years can my thyroidism and brain fog due to med can cure.How long i need to take med further?

Thyroiditis?: If you are referring to autoimmune thyroiditis ( hashimoto's disease)- this at first can cause an overactive thyroid ( hyperthyroidism) followed by decreased thyoid function ( hypothyroidism). You need to have your thyroid hormone levels balance to achieve balance. The medication may be need for a lifetime or the disease can resolve. ...Read more

Dr. Sewa Legha
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more


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Is brain fog common when you don't have a thyroid?

Is brain fog common when you don't have a thyroid?

Check levels: Your MD should be checking your TSH and T4 and T3 (liothyronine) levels regularly. Brain fog can be due to inadequate medication with thyroid Rx. ...Read more

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I have debilitating brain fog every day. My thyroid is normal. Not sure what to do. ?

I have debilitating brain fog every day. My thyroid is normal. Not sure what to do. ?

Brain fog: Sorry to hear this but don't get too worried. You must have your Primary doctor refer you to a Psychologist. He/she will fully care for you and your issues. Won't happen after the first clinic visit but every time you see the Psychologist you will be feeling much better. ...Read more

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I suffer from brain fog often. Will it always be this way now that I don't have a thyroid? Or is it more likely to be my sinus issues?

I suffer from brain fog often. Will it always be this way now that I don't have a thyroid? Or is it more likely to be my sinus issues?

If you're: on BRAND NAME thyroid replacement and your levels are normal, it's just like you didn't have a thyroid problem. Make sure that your blood sugars aren't fluctuating, which can cause these symptoms. ...Read more

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Is brain fog a symptom of overactive thyroid?

Is brain fog a symptom of overactive thyroid?

CNS activation: Hyperthyroidism can cause nervousness, irritability, anxiety, insomnia and fatigue. In rare instances, it may cause manic or psychotic symptoms. It is good to be evaluated by your physician to determine if you have a thyroid abnormality. ...Read more

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Had a baby in Dec 2012, ever since I have been very tired and having trouble getting up in the morning, and I feel sluggish all day. Developed bad memory, brain fog . Thyroid fine. Drs aren't alarmed?

Had a baby in Dec 2012, ever since I have been very tired and having trouble getting up in the morning, and I feel sluggish all day. Developed bad memory, brain fog . Thyroid fine. Drs aren't alarmed?

Postpartum dep?: Well, first of all, babies are exhausting and recovering from pregnancy and childbirth takes awhile. However, it might be wise to be evaluated for postpartum depression, as well, which could be responsible for those symptoms. ...Read more

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Why do I feel light headed a lot. Shakey sometimes. Feel brain fog. Had blood test done all back good. Thyroids. W-b-c count. Vitamin d?

Why do I feel light headed a lot. Shakey sometimes. Feel brain fog. Had blood test done all back good. Thyroids. W-b-c count. Vitamin d?

Wide possibilities: It sounds like you're working with your own doctor to determine the cause of your light-headed feelings, which is a good idea. Medication side effects and other substances (drugs, alcohol, etc) may cause symptoms like this, as well as many other possible reasons. You may need neurological and cardiovascular exams too. ...Read more

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Could brain fog (forgetting what to say while speaking) be a result of social anxiety? all blood test fine including thyroid and i sleep 8hrs a night

Could brain fog (forgetting what to say while speaking) be a result of social anxiety? all blood test fine including thyroid and i sleep 8hrs a night

Perception problem: Think about what social anxiety means. Generally feeling nervous in social situations, you are probably thinking about what others think of you rather than focusing on the other person and what you're saying. I recommend that you join Toastmasters for some experience speaking. Another possibility is taking a Dale Carnegie course. A psychiatric diagnosis and meds are not the answer. ...Read more

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Are brain fog and tremor, nervous breakdowns, difficulty swallowing and difficulty saying some words ALL symptoms of thyroid dysfunction?

Are brain fog and tremor, nervous breakdowns, difficulty swallowing and difficulty saying some words ALL symptoms of thyroid dysfunction?

Brain fog?: Sorry: "Brain fog" and "nervous breakdowns" are of no use in assessing your problem because they don't really mean anything except to you. Have you been diagnosed with thyroid dysfunction? Or are you looking for some physical cause for what is actually a psychological problem? ...Read more

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My TSH is 0.2 which doctors are happy with as I have a history of thyroid cancer. But could this low TSH be causing my brain fog?

My TSH is 0.2 which doctors are happy with as I have a history of thyroid cancer. But could this low TSH be causing my brain fog?

Thyroid supplement?: If you are taking a thyroid supplement have your doctor check your free T3 (liothyronine) and 4. This will make sure you have proper thyroid replacement. This is important for just about any metabolic function. ...Read more

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I have lump im middle of my throat along with brain fog forgetfullness and throat and sinus problems i think it may be thyroid problem can u help me?

I have lump im middle of my throat along with brain fog forgetfullness and throat and sinus problems i think it may be thyroid problem can u help me?

Agree: Symptoms sound like thyroid dysfunction with the presence of a goiter aka an enlarged thyroid gland. See your physician for a blood test. May need thyroid hormone replacement. ...Read more

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Is there another medication that can benefit me, other than Synthroid, that can help my fatigue, brain fog, etc.? I also had Thyroid Cancer two years ago and have it again... My last US showed some small cysts that may be calcified(?), are my chances of M

Is there another medication that can benefit me, other than Synthroid, that can help my fatigue, brain fog, etc.? I also had Thyroid Cancer two years ago and have it again... My last US showed some small cysts that may be calcified(?), are my chances of M

Possibly: Hypothyroidism if present is best treated with synthetic T4 levothyroxine Synthroid There is variability in absorption and distribution of generic T4 vs. brand names Also variability in generic formulations of pure T3 Cytomel, (liothyronine) T4/T3 therapy may have some advantages over T4 alone. If disease ? in neck excision,needed because cure rate at your age very high even in metastatic disease ...Read more

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Chronic dizziness, brain fog, muscle rigidity and neuropathy and episodes of confusion. Normal liver, thyroid and b12 tests. Any suggestions? Lost

Chronic dizziness, brain fog, muscle rigidity and neuropathy and episodes of confusion. Normal liver, thyroid and b12 tests. Any suggestions? Lost

Go to an MD and: get a "complete" physical, for starters. There are zillions of conditions that have one or more of your symptoms. Too general to speculate. ...Read more

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I have brain fog, low energy, could sleep 20 hours a day. TSH 4.54 T4 7.4 T3 (liothyronine) free 2.6Could this be a thyroid issue? Or something else?

I have brain fog, low energy, could sleep 20 hours a day. TSH 4.54 T4 7.4 T3 (liothyronine) free 2.6Could this be a thyroid issue? Or something else?

Something else: Since your thyroid labs are normal, look elsewhere for the cause. Your doctor has probably checked for anemia, kidney, and liver problems already, so perhaps it is time to see a sleep specialist to find out if your sleep is adequate. Sleep apnea can present this way. ...Read more

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Burning sensation at back of my head, with brain fog, vision problems, light sensitivity, mood swing, fatigue. Thyroid tests are back to normal. Help?

Burning sensation at back of my head, with brain fog, vision problems,  light sensitivity, mood swing, fatigue. Thyroid tests are back to normal. Help?

See an ophtalmologys: The symptoms you're mentioning are concerning. Brain fog and vision problems, especially. A thorough ophtalmological exam, will be able to discern if your problems are at the eye/vision level or if there is further neurological, occipital brain lobe , involvement . ...Read more

Slow Thinking (Definition)

Slow thinking = cognitive slowing - may occur ...Read more


Dr. Kathryn Akin
169 doctors shared insights

Cognitive Dysfunction (Definition)

An inability to ...Read more