Doctor insights on:
Liothyronine Allergy Signs
I've allergy appear when not sleaping early, I did tsh analysis was slightly high, two other times was in range and t3, t4 with in range, what my ttt?
? reverse T3: Slightly elevated TSH in the presence of normal T3 and T4 suggests a higher than average level of reverse t3. T3 is what's actually used by cells for metabolic activity; it's produced from T4 passing thru the liver. The average person makes only about 10% reverse T3, but if you make more than than you'll have subclinical hypthyroidism with normal T4 and T3 values and slightly elevated TSD. ...Read more
Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more
I have a TSH level of 5.69.Is having a T4 level of 1.1 a good sign? I haven't tested my T3 (liothyronine) yet. What is the probability that it will be normal? Advice
My t3 (liothyronine) is low' but TSH and t4 are normal levels. I was told not to worry about it unless I show signs of hypothyroidism what are signs of hypothyroidism
More complicated...: There are many signs and symptoms of hypothyroidism, including fatigue, weight gain, constipation, cold intolerance, depression & more. Total T3 (liothyronine) changes with time in the menstrual cycle & as one enters menopause. FT3 (liothyronine) is better lab, but labs not as accurate as for FT4/T4. T3 (liothyronine) & Free T3 (liothyronine) can go down with other illness you have like depression & asthma if sig. Replacement is not rec & controversial. ...Read moreSee 1 more doctor answer
Am 25 yrs old had Hypothyroidism. Now it's normal. Tsh is 4.2 with t3 (liothyronine) and t4 normal But my skin has lost its elasticity and got signs of ageing. Help?
May not be normal: A TSH of 4.2 may still be high in hypothyroidism. One should ask what level of TSH her doctor is aiming for. Some doctors feel that a TSH above 3 or so may be high, even if the lab reference range goes up to 4.5 or so. The skin elasticity has to be compared to one's peers and family members. A primary care doctor, a dermatologist, or a rheumatologist can help decide if there is a problem or not. ...Read more
My TSH level is 0.11 free T4 is 15.4 free T3 (liothyronine) is 4.8. Is this a sign of multi nodular goitre?
Testosterone 58 and thyroid peroxidase ab T3 (liothyronine) 27 T4 7.4 TSH 4.08 checked for pcos in jan no signs of pcos missed period am i pregnant never miss my period?
I have absolutely: No way to tell if you're pregnant. You, on the other hand, can find out by doing an hpt. By the way, your testosterone is mildly elevated and your tsh, while "normal" is not appropriate for age. See an endocrinologist about both. You're probably overweight and Insulin resistant, and may actually have some degree of pcos. ...Read more
Possibly nothing: If your other thyroid tests are normal, the low T3 (liothyronine) is probably irrelevant. T3 (liothyronine) levels in the cell are what's important, not in the blood stream -- except for highly elevated T3 (liothyronine) which can indicate an overactive thyroid. ...Read moreSee 1 more doctor answer
Don't need T3 (liothyronine): Hi. Why are you on liothyronine (T3)? You don't need to supply that. If you take levothyroxine (T4), your body regulates conversion of T4 to T3 and you get all the T3 your body needs. But that aside, it's possible your "severe reaction to liothyronine" was perhaps dose related. Talk it over with your doc. Good luck! ...Read more
No: Hi. No, they're completely unrelated. Thyrocalcitonin (usu. just called calcitonin) is made by thyroid C cells (which do NOT make thyroid hormone) and is used as a tumor marker for medullary thyroid cancer (e.g., MEN-2 syndromes). T3 (liothyronine) is the active form of thyroid hormone that the body makes from T4. ...Read more
Thyroid hormones.: The two most important forms of thyroid hormone are designated T3 (liothyronine) and T4 based on the number of iodine atoms each molecule contains. T4 is the main form made and released by the thyroid gland. Once inside cells, T4 is converted to t3, (liothyronine) which is the more active form. ...Read more
It doesn't: Liothyronine is a form of thyroid hormone called t3 (liothyronine). Unless you are truly hypothyroid, taking thyroid hormone to lose weight doesn't work because appetite is increased at the same time that metabolism is increased. You would have to be on a toxic dose of thyroid hormone before you would see any significant weight loss. ...Read more
It can: Hi. If you take enough to make you hyperthyroid, even transiently, yes it can. ...Read more
Ignorance!: Doctors are taught that most people only need to be given T4 as our bodies convert T4 to t3 (liothyronine). This is true for some, but many people don't make that conversion adequately. In my experience almost all patients on thyroid benefit from taking t3 (liothyronine) as well as T4 (or natural thyroid which has both). See http://bit.Ly/1cey7vu ; http://abt.Cm/18gpb3a ; http://bit.Ly/15k26u8. ...Read more
Yes, but why???: Hi. Sure, most people with normal thyroid function could take a low dose of liothyronine (T3) without it causing hyperthyroidism. The pituitary sees the T3, and secretes TSH accordingly to maintain overall normal exposure to thyroid hormone. But why on earth would you want to do that? In my humble opinion, don't take a hormone you don't need! ...Read more
Maybe none: The units and normal ranges for free t-3 vary widely. In addition, the free t-3 is never used by itself to diagnose a thyroid disorder. It is only even minimally helpful when it is in combination with more useful and conventional thyroid tests like the free-4 and tsh. Free t-3 measures free t-3 in the blood, but what's really important is the t-3 level in the cells, which the test can't measure. ...Read more
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