Common "Thyroxine" queries answered by top doctors | iCliniq

Thyroxine

Thyroxine is a drug that is prescribed for patients with hypothyroidism as a hormone replacement for underactive thyroid. Normal levels are essential for the energy uptake and proper functioning of almost all the organs of the body.

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I am hypothyroid with elevated thyroid antibodies. Please help.

Query: Hello doctor, I have had hypothyroidism for five years, and I am using Thyroxine 25 mcg. Recently I checked my TSH levels, and the value was less than 0.13 mIU/mL, and my anti-thyroglobulin antibodies level at 41 mIU/mL (positive). My anti-thyroperoxidase antibody value was 5 mIU/mL (negative). T3 a...  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. I read your query and understand your concern. From what you have mentioned, you appear to have been overcorrected for hypothyroidism. What was your first TSH (thyroid stimulating hormone) value when you started the treatment? I suggest you take Thyroxine tablets alte...  Read Full »

I am four weeks pregnant after ICSI. Should I increase Thyroxine dosage to avoid the risk of miscarriage?

Query: Hi doctor, I am four weeks pregnant after ICSI. My doctor prescribed me 50 mcg of L-Thyroxine. My TSH value was 4.86 mIU/L for four weeks. My TSH value is now 2.8 mIU/L. The normal value during pregnancy is up to 2.5 mIU/L. Please advise if I should increase Thyroxine dosage to avoid the risk of mis...  Read Full »


Dr. Shaikh Sadaf

Answer: Hi, Welcome to icliniq.com. I understand your concern. I would like to know whether you had hypothyroidism before pregnancy. I hope this information will help you. Thanks.  Read Full »

I am experiencing issues after taking Thyroxin. Why?

Query: Hello doctor, I am a 46-year-old female, and I am pre-menopausal. My present weight is 120 lbs, and my height is 5.1 feet. Eight years ago, I have been diagnosed with under-functioning of my thyroid and since then I have been taking the medication, Thyroup. I started this medication at 25 mcg. But, ...  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. I just read your query. From what you have mentioned, it appears that you have hypothyroidism. From seeing your recent TSH (thyroid-stimulating hormone) values in your recent reports (attachments removed to protect patient identity), I suggest that you must increa...  Read Full »

After COVID-19 infection, there are changes in thyroxine levels. Why?

Query: I am a male, 29 years old, 5.4 feet, and 134 lbs. I have attached 2 reports: 1) blood test results 2) my heart palpitations recorded on my Kardia app with Alivcor. I had positive corona around 5 & half weeks ago and suffered symptoms of severe fatigue & high palpitations after checking my he...  Read Full »


Dr. Shaikh Sadaf

Answer: Hello I just read your query and the reports that you have attached. Yes the free thyroxine levels are slightly high but the normal TSH levels are reassuring and suggest that the viral infection was the likely reason behind it. It would definitely be worth repeating it again in 6 weeks time. Howe...  Read Full »

I have been taking Thyroxine for my hypothyroidism since I was 13, but I want to start taking kelp supplements. Please help.

Query: Hello doctor,I have had hypothyroidism. Since I was 13 years old, and most recent blood tests revealed a 7.33 mU/L TSH level. I started taking Thyroxine tablets four years back but want to switch to Kelp supplements. Is it advisable? Please help.Thank you.  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. I have read the query, and I can understand your concern. Thyroid patients should not manage their condition through diet. The use of kelp as a therapy is not recommended. In dietary form, kelp intake should be in the range of 0.154 to 0.175 mg RDA (recommended dai...  Read Full »

I was diagnosed with Graves disease 18 months ago. My symptoms have not improved, despite taking medication. Please help.

Query: Hello doctor, I was diagnosed with Graves disease 18 months ago. My most two recent tests are as follows: After I was on Methimazole 5 mg for five months. Total T3 - 281 ng/dL. Free thyroxine - 2.63 ng/dL. TSH was <0.01 uIU/mL (undetectable). After I was on Methimazole 20 mg for three...  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. I just read your query and the detailed information that you have provided and it appears that you have Grave's disease and it is not responding to anti-thyroid medication. I suggest you must ask your doctor to start treatment with radioactive iodine. It will cure y...  Read Full »

My hyperthyroid status shifted to hypothyroid. What to do?

Query: Hello doctor, I am a 35 year old male. I had a hyperthyroid since the last five years and was taking Carbimazole 5 mg thrice a day for the last two and a half years. Then, last month, I got my complete physical test done, and I got to know that my hyperthyroid had shifted to hypothyroid. So, the doc...  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. I just read your query about your thyroid dysfunction and saw your reports in detail (attachment removed to protect patient identity). It appears that you were diagnosed with hyperthyroidism initially and were treated accordingly. The problem occurred when you had a ...  Read Full »

I am 22 weeks pregnant with a TSH level of 6.98 mIU/mL. Should I take a Thyroxine tablet?.

Query: Hi doctor, I am 22 weeks pregnant. Recently, I got my TSH level checked, and the result was 6.98 mIU/mL. The normal range shows from 0.4 to 7 mIU/mL. Is there any need to take a Thyroxine tablet? Kindly let me know.  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. I understand your concern. I just read your query, and from what you have mentioned, you have a normal TSH (thyroid stimulating hormone). However, it would be best to have your T3, and T4 checked to be on the safe side. If you are not having any thyroid disorder pre...  Read Full »

My diabetic father has hypothyroidism. Kindly suggest medication that suits him.

Query: Hello doctor,My father has been suffering from hypothyroidism and was having thyroxine 137.5 mg for the past four months, but on his own started 125 mg in the past two months. I have attached my laboratory reports for you to check. He is a diabetic and even had an angioplasty done. Please suggest th...  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. I read your query and saw the laboratory reports (attachments are hidden to protect the patient's identity). From what you have mentioned, it appears that your father has overcorrected his thyroid. He must take 100 mcg of Thyroxine only. Repeat his thyroid test after t...  Read Full »

How long should a 12-year-old boy with fluctuating thyroid levels take medications?

Query: Hello doctor, A 12-year-old boy, having fluctuating thyroid for the last two years. I have attached the last three reports and paper attached. I need to know whether the medication should be continued or not? If to be continued then for how long duration? Please advise.  Read Full »


Dr. Shaikh Sadaf

Answer: Hello, Welcome to icliniq.com. I have seen the attachments. (attachment removed to protect patient identity). I just read your query and from what you have mentioned it appears that your son has slightly high TSH (thyroid-stimulating hormones). You can increase the dose of his Thyroxine tablet to ...  Read Full »

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