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(also known as Thyrax, Euthyrox, Levaxin, Eltroxin, Levothyroxine, L-thyroxine, Synthetic T4, Levothroid, Levoxyl)
Levothyroxine is a synthetic form of thyroxine (thyroid hormone). As the hormone is chemically in the L-form (instead of D, see chirality), it is metabolised much slower than physiological thyroid hormone, which has a shorter half-life. more at Wikipedia

Treatment Success Rate
| Top 5 Communities | ||
| Condition | Members | Success |
| Hypothyroidism | 900 |
90% |
| Hyperthyroidism | 29 |
90% |
| Graves' Disease | 29 |
93% |
| Thyroid Cancer | 20 |
95% |
| Bipolar Disorder | 20 |
100% |
Overall, 91% (1066
Members)
find Synthroid helpful


Synthroid Reviews
Working / Worked
Working / Worked
Has worked for years but recently levels out of wack.
Working / Worked
It works, but my dosage has to increase every year. it is different for everyone.
Working / Worked
So far but now mny thyroid is out of whack agin.
Working / Worked
Sensitive to the medication but it works.
Working / Worked
Since I do not have a thyroid any longer, I am currently on 75 micro grams of levothroxine as well as 50,000 units of vitamin D and two tums every day for calcium. (I myself also take a one a day, 800 mg or vitamin D everyday, vitamin C and Echinacea.
I still have a lot of muscle weakness and muscle cramping going on.
I still have a lot of muscle weakness and muscle cramping going on.
Working / Worked
dosage goes up and down
Working / Worked
I use Levothryroxine and have been for over20 years. As long as you take your medicine the way your suppose to, you shouldn't have any problems. But be aware that the climate does afftect you and that's something the doctors tend not to tell you.
Working / Worked
I take levothyroxine. I had to raise it recently. I am not loosing weight like I want to. I work out 3x a week.
Working / Worked
Worked for me since I've been dx.
Working / Worked
Sometimes levels are up, sometimes they are low. I have a hiatal hernia also. Does hormone replacement create muscle weakness in diaphram?
Working / Worked
Currently on 75 mcg. Last bloods said TSH was 4.8
Working / Worked
I just think my doctor likes to be on the safe side a little too much. I don't think my level is where it should be, but he won't increase my dose. I am on 112mcg, two a day.
Working / Worked
just started.
Working / Worked
only been on about 2 weeks so far...some symptoms seem to be going away
Showing 76 - 90 of 1096 Reviews


Discussions
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Levothyroxin vs. Synthroid, cont.
I am new to levoxyl so I can't help you but I have read that some people do better with little bit of cytomel (t3) added to their t4 meds. It may be s... [More] -
Levoxyl
HA, the same thing happened to me, I was taking the cytomel and I felt really bad all the time. I went to the ER with a bad fever, and I was having a... [More] -
Levoxyl
Hi, I had a total Thyroidectomy on Oct. 23rd. My voice is still very hoarse, hope it gets better. When I was sent home from the hospital my surgeon se... [More] -
levothyroxine
I am taking synthroid and I believe levothyroxine is the generic of synthroid. Once I was on a .175 dosage and lost a good deal of hair. Now I am on... [More] -
Levoxyl
Does anyone besides me take this instead of Synthroid? I don't know why I take Levoxyl instead. [More]





