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What Causes Blurring Of Vision After Having Liothyroxine?

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Posted on Thu, 3 Jul 2014
Question: I recently (6/2/14) started a liothyroxine (25mcg) regimen. I am having alternating eye severe blurring of vision nearly every day, at times upon waking, at times intermittently. I also take 4mg of Glimeperide twice daily for Type 2 Diabetes. I have other medical conditions requiring medications and CPAP use.
doctor
Answered by Dr. Binu Parameswaran Pillai (14 minutes later)
Brief Answer:
Hello

Detailed Answer:
Hello,
Good day.
I presume , you had hyperthyroidism ( either grave's disease or toxic goiter) which was treated by radio iodine treatment and subsequently developed hypothyroidism with a TSH of 13.5.

You are infact on a very smalll dose of thyroxine ( 25 mcg) and it is likely that your hypothyroidism may progess ( due to destruction of thyroid by radio iodine) and yoi may eventually require higher dose of thyroxine.

Blurring of vision could be due to a number of reasons.
1) Cataract
2) Diabetic retinopathy
3) Thyroid eye disease.
4) Glaucoma
5) Uncontrolled diabetes

This need to be evaluated by an ophthalmologist who delas with dabetic and Thyroid eye disease. They need to look behind yoir eyes, check your vision and measure the pressure inside eyes.

Kind regards
Binu
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Binu Parameswaran Pillai (21 hours later)
Hello Dr XXXXXXX
I did go to my ophthalmologist right after reading your prompt response. Thank you!
My issue was one I labeled Plummer's disease after a routine cervical MRI revealed a goiter on each lobe with an increasing number and size of nodes within each one. Utrasound & biopsy determined no malignancy and I was referred to local endocrinologist Pushpinder Guleria, who recommended the radio iodine treatment. I am not pleased that I must take synthetics for life due to the side effects. I do not readily adjust to new medications, and am on the low dose med for another month, at which time I will receive an increase, depending on the amount of reduction of TSH (4.90 3 weeks ago).
Should I take any special precautions that might be connected to my mild diabetic condition with regard to the thyroid issue?
Regards,
Don XXXXXXX
doctor
Answered by Dr. Binu Parameswaran Pillai (29 minutes later)
Brief Answer:
Hello

Detailed Answer:
Hello,
Thank you writing back. Plummer's syndrome is toxic nodular goiter. I feel radio iodine treatment was a right choice. ( the other option was to take a drug called carbimazole or surgery. I wouldnt advice carbimazole for a long time because of side effects. Surgery is the last option and now a days the shift is towards radio idone treatment if the goitre is not complex or malignant. If left untreated, Plummer's syndrome cn create troubles like irregular heart beat, osteoporosis, heart failure etc.

Synthroid is a relatively safer drug and as you said , you might take some time to adjust to it. At your age, we start with a small dose and slowly go up.

Beleive me, in a regular dose to keep your TSH in normal range, Synthroid dosent cause any major side effects. It is only when the dose is excess, it cause trouble.

Some people experiece that the blood glucose levels go up after taking Synthroid. So keep an eye on your blood glucose levels.

I hope i answered your question. By the way, what did the ophtthalmologist tell you? How are your ees now?

. you are welcome to ask more questions if you wish.Please make sure to close the discussion when you are done

Kind regards
Binu

Note: For more information on hormonal imbalance symptoms or unmanaged diabetes with other comorbid conditions, get back to us & Consult with an Endocrinologist. Click here to book an appointment.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
Dr.
Dr. Binu Parameswaran Pillai

Endocrinologist

Practicing since :2003

Answered : 1438 Questions

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What Causes Blurring Of Vision After Having Liothyroxine?

Brief Answer: Hello Detailed Answer: Hello, Good day. I presume , you had hyperthyroidism ( either grave's disease or toxic goiter) which was treated by radio iodine treatment and subsequently developed hypothyroidism with a TSH of 13.5. You are infact on a very smalll dose of thyroxine ( 25 mcg) and it is likely that your hypothyroidism may progess ( due to destruction of thyroid by radio iodine) and yoi may eventually require higher dose of thyroxine. Blurring of vision could be due to a number of reasons. 1) Cataract 2) Diabetic retinopathy 3) Thyroid eye disease. 4) Glaucoma 5) Uncontrolled diabetes This need to be evaluated by an ophthalmologist who delas with dabetic and Thyroid eye disease. They need to look behind yoir eyes, check your vision and measure the pressure inside eyes. Kind regards Binu