Levothyroxine
Levothyroxine is a drug used to treat hypothyroidism, which is a condition that results from underactive thyroid gland. It provides thyroid hormone to the body. The side effects include increased appetite, weight loss, excessive sweating, nervousness, and anxiety.
Recently Answered Questions
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Levothyroxine and Armour Thyroid are causing side effects. What can be done now?
Query: Hello doctor, Levothyroxine and Armour Thyroid both cause awful side effects for me. What can be done now? I cannot tolerate either of them. Read Full »
Endocrinologist
Answer: Hi, Welcome to icliniq.com. If you are taking treatment for hypothyroidism, it is to see that you get the right dose. But whether you are being over replaced or under replaced should be determined by periodic thyroid function test, if a single hormone, then TSH which shows amplified suppression an... Read Full »
Query: Hello doctor,I recently had a complete thyroidectomy, and the lymph nodes around the thyroid removed because I was diagnosed with medullary carcinoma of the left nodule of my thyroid. I am now on Levothyroxine 135 mg, and it is driving me nuts. I have experiencing nervousness, anxiety, no sleep, str... Read Full »
Ayurveda Specialist
Answer: Hello, Welcome to icliniq.com. I read your query. You need to take Levothyroxine for the rest of your life regularly because our body daily needs this hormone for various functions like metabolism etc. However, along with that you can use some herbal products which can help you up to some extent a... Read Full »
My blood pressure is 149/91 mmHg even after taking Tylenol. Please help.
Query: Hi doctor, I am having high blood pressure since my ER visit, five days back. I have been taking Tylenol, as per the ER discharge notes, and gradually getting worse since then. My blood pressure was 149/91 mmHg before, and now it is 154/91 mmHg after the visit. I keep having to catch deeper breaths ... Read Full »
Family Physician, General Practitioner, Hematologist, Pathologist
Answer: Hi, Welcome to icliniq.com. You are having hypothyroidism problem, for which you are taking Levothyroxine tablets. Some form of headaches and irritation can occur as a side effect of Levothyroxine. And in hypothyroidism weakness can occur. High blood pressure is contributing to the headaches. I s... Read Full »
What is the recommended amount of Synthyroid that can be increased to get normal TSH level?
Query: Hello doctor,My 24 years old daughter born without a thyroid and treated with Synthroid since birth has a TSH level of 23.980 uIU/mL and T4 Free of 1.57 mg/dl on the current dose of Synthroid 150 mcg. Her weight is 150 lbs and height 5' 4". Her endocrinologist increased her dose to 300 mcg, thinking... Read Full »
General Medicine Physician, Internal Medicine Physician, Family Physician
Answer: Hello, Welcome to icliniq.com. It is better to increase the dose by 25 mcg, i.e. 175 mcg if she was using 150 mcg till date escalating the dose or thyroid medication will be like 25 to 50 mcg at a time. Not double the dose causes severe sickness. As you mentioned, she was Synthroid (Levothyroxine)... Read Full »
Are there any foods to be avoided while on Levothyroxine?
Query: Hello doctor, I had a sudden weight gain. Are there any foods that should be avoided either at certain times of the day or all together while taking Levothyroxine to treat an underactive thyroid? Read Full »
Diabetologist, Endocrinologist
Answer: Hello, Welcome to icliniq.com. Avoid raw cabbage, cauliflower, brocolli, soy and soy products like soy sauce, soy milk, tofu, strawberry, walnut, spinach, and brussel sprouts. Do not take any meals or drink except plain water for atleast 45 minutes after taking medication. Avoid taking acidity-cau... Read Full »
Is Hashimoto's disease a serious condition?
Query: Hello doctor, I am an 18-year-old girl. I have had thyroid problems since I was around 11. It used to be just considered hypothyroidism but now we have figured out that it is Hashimoto’s disease. I rotate daily between 88 mcg and 100 mcg of my Levothyroxine to keep my TSH in check because tha... Read Full »
Family Physician, General Practitioner, Pulmonologist
Answer: Hi, Welcome to icliniq.com. Hashimoto disease also causes hypothyroidism and you are already taking medication for hypothyroidism. So do not worry. It is a type of autoimmune disease. So kindly go for detecting which autoimmune problem causes your Hashimoto disease means along with Levothyroxine y... Read Full »
Why am I still having palpitations after taking Levothyroxine?
Query: Hello doctor, I was diagnosed with hypothyroidism two months back and started on Armour 15 mg. Four weeks later, upon recheck, my TSH dropped four numbers which were good but I had some palpitations for a short time each day. I just switched to Levothyroxine 50 mg and the palpitations are maybe one... Read Full »
Diabetologist, Endocrinologist, Family Physician, General Practitioner
Answer: Hello, Welcome to icliniq.com. Have you checked your heart rate during the episodes of palpitations? Nonetheless, the palpitations will get better when you take Levothyroxine dose gradually. So no need to worry about it. Just continue taking the thyroid medicine and your symptoms will improve with t... Read Full »
Why TSH is high two months after stopping Levothyroxine?
Query: Dear doctor, I had multinodular goiter with normal TSH. I was taking Levothyroxine tablet daily for 12 months. Now, two months after completing the tablets, my TSH is 11.5 (max 5.5). Why? Read Full »
Diabetologist, Endocrinologist, General Medicine Physician, Internal Medicine Physician, Pain Medicine Physician, Pulmonologist
Answer: Hi, Welcome to icliniq.com. As long as you were taking Levothyroxine, your body levels of T3, T4 hormones were maintained at normal levels. Due to your goiter, your body is not producing T3, T4 hormones adequately. But, that is getting compensated by excessive synthesis of TSH (thyroid-stimulatin... Read Full »
Are low levels of thyroid hormones associated with taking antipsychotics?
Query: Hello doctor, A 44 year old male relative of mine takes the following antipsychotics: Sertraline, Lamotrigine, and Quetiapine. He has been feeling anxious for a few weeks. His recent blood tests show low levels of total T4 and T3 (TSH and free T4 within normal range). Is this condition associated w... Read Full »
Andrologist, General Practitioner, Geriatrician, Psychiatrist, Psychologist Counsellor, Psychotherapist, Sexologist
Answer: Hi, Welcome to icliniq.com. None of the medications used by your relative is directly related to low levels of total T3 and T4. His current thyroid status is known as a euthyroid sick syndrome. Thyroid supplement should be prescribed only after repeated assessments of thyroid levels. This is bec... Read Full »
Is it right to reduce the dosage of Levothyroxine for high TSH level?
Query: Hi doctor, I had hypothyroidism for 24 years. I also have Sjogren's syndrome, but I do not have autoimmune thyroid problems. I was taking .150 mcg of Levothyroxine for 23 years. Six months ago, my doctor told me that I have hyperthyroidism and lowered my dosage to .137 mcg. I had increased fatigue.... Read Full »
Dr. Hafiz Muhammad Hassan Shoukat
Family Physician, General Practitioner, Internal Medicine Physician
Answer: Hi, Welcome to icliniq.com. I have gone through the attachment (attachment removed to protect patient identity). Your TSH (thyroid stimulating hormone) is in the lower normal range, just near the border. The dosage of Levothyroxine has to be reduced. Try to maintain TSH around 2 mIU/L. Please test... Read Full »
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