Common "Thyroxine" queries answered by top doctors | iCliniq


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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Can I continue the same dosage with fluctuating TSH levels?

Query: Hello doctor, I am under medication for thyroid from past one year. Initially, TSH was 15.5, and I was using 50 mcg later TSH came to 13 so increased dosage to 75 mcg. After which my TSH came to 8.8, and now with same 75 mcg TSH got risen to 11.11. Please advise do I need to continue with the same ...  Read Full »

Dr. Srinivas Morampudi

Answer: Hello, Welcome to The goal of treatment in hypothyroidism is to normalize TSH (thyroid stimulating hormone) levels. The dose of thyroxine needs to be adjusted until this happens. The dose is weight related to some extent. The approximate dose of thyroid hormone is equal to weight in ...  Read Full »

What is the reason for my sister getting her menstrual periods every 15 days?

Query: Hello doctor, This question is regarding my sister. She is 33 years old. She is a mother of 6 year old twins. Two months ago, she was diagnosed with thyroiditis. From the last month, she gets her periods, once every 15 days. Kindly tell me the probable reason and the course of action to be taken.  Read Full »

Dr. Sonal Prasad

Answer: Hello, Welcome to Your sister has subclinical hypothyroidism. Start her on tablet Eltroxin (Thyroxine) 50 mcg, once daily, to be taken early in the morning on an empty stomach. Get the TSH levels repeated after three months. Thyroid abnormalities may be one of the reason for menstrual ...  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 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 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 »

I suffer from hyperthyroidism. Will taking Synthroid help?

Query: Hello doctor, I am a 30-year-old woman, and I have been diagnosed with hyperthyroidism, and it is so stressful. I cannot seem to find relief from anxiety, rapid heartbeat, and sudden weight loss. I read a few journals online about Synthroid, which is utilized for thyroid issues. However, I am unsur...  Read Full »

Dr. Albana Greca

Answer: Hello, Welcome to I have read your query, and I can understand your concern. Synthroid is a brand name for Levothyroxine, a synthetic form of the thyroid hormone Thyroxine (T4). It is primarily used to treat hypothyroidism, a condition where the thyroid gland does not produce enough...  Read Full »

My wife has high TSH. How to ensure a successful pregnancy?

Query: Hello doctor, We are trying for pregnancy. My wife recently got some tests done namely a TORCH profile with the primary sample being serum through the ECLIA method. The toxoplasma IgG was 500.0 positive IU/mL and rubella IgM was 0.20 with negative COI. With the ELISA method, there is HSV I and II I...  Read Full »

Dr. Ravinder Kaur Khurana

Answer: Hello, Welcome to Your wife is immune to rubella and CMV (cytomegalovirus). If you just want to be sure about the recent infection get an avidity testing for CMV and rubella infection. Your TSH (thyroid-stimulating hormone) is very high. You need to see an endocrinologist or physician ...  Read Full »

Is laparoscopy required for a retention cyst in the ovary?

Query: Hello doctor, I am a 33 year old woman weighing 123 lbs and 5 feet tall. We are trying for a baby for more than a year. Recently I underwent treatment and have completed two cycles of Clomid with no positive outcome. I had another unsuccessful try at IUI along with Clomid. From the last couple of mo...  Read Full »

Dr. Neha Rathod

Answer: Hi, Welcome to After going through your reports (attachment removed to protect patient identity) carefully, I feel it is better to undergo a laparoscopy because of the cyst size. Any ovarian cyst of more than 1 inch needs a surgical intervention. Laparoscopy will also increase the chanc...  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 »

My TSH level has dropped after using Thyrox. Why?

Query: Hello doctor, My TSH level was 5.45 mIU/L with normal T3 and T4, for which my doctor suggested Thyrox 12.5 mg half tablet. After that, my TSH was normal at 4.23 mIU/L, but the doctor said to continue the same dose of Thyrox now. My TSH has dropped to 0.325 mIU/L. What should I do? Currently, I am su...  Read Full »

Dr. Zulfiqar Ahmed

Answer: Hi, Welcome to I can understand your concern. If your free T4 was normal and only TSH (thyroid stimulating hormone) was mildly elevated, in my opinion, if you are not planning for pregnancy, there is no need to start Thyroxine tablets. It is better to stop Thyroxine and repeat your TSH...  Read Full »

Does thyroid disorder cause swelling of the body if medicine intake is discontinued?

Query: Hi doctor, My age is above 50. I have thyroid disorder for many years. I used to take Thyroxine. I am not taking any medicine right now. My body has swelled, especially my neck and the ankles. I also have a severe cough and weakness. Kindly help me to correct my thyroid disorder.  Read Full »

Dr. Suhail Ahmad Khanday

Answer: Hi, Welcome to I want to know the dose of Thyroxine (Levothyroxine) you were taking earlier, and did you stop taking Thyroxine on your own, or your doctor stopped it. Also, please give me your menstrual history. The thyroid hormone regulates the body's metabolism, and once it is defic...  Read Full »

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