SYNTHROID Reviews (LEVOTHYROXINE SODIUM)

Average Rating: 2.6 (900 Ratings)

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 THYROID ANTITHYROID

 Type: Rx Drug

  

SYNTHROID  (LEVOTHYROXINE SODIUM):  Levothyroxine is used to treat an underactive thyroid (hypothyroidism). It replaces or provides more thyroid hormone, which is normally produced by the thyroid gland. Low thyroid hormone levels can occur naturally or when the thyroid gland is injured by radiation/medications or removed by surgery. Having enough thyroid hormone is important for maintaining normal mental and physical activity. In children, having enough thyroid hormone is important for normal mental and physical development. This medication is also used to treat other types of thyroid disorders (such as certain types of goiters, thyroid cancer). This medication should not be used to treat infertility unless it is caused by low thyroid hormone levels.   FDA Approval Date: 2002-07-24 (Sources: U.S. Centers for Medicare Services, FDA)

  

Results are sorted by Gender with females listed first (reviews with no gender reported listed before females).

Key to Ratings: 1=LOW (I would not recommend taking this medicine.)
5=HIGH (this medicine cured me or helped me a great deal.)

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More on SYNTHROID: Reviews Summary  |  Drug Safety Information

RATING  REASONSIDE EFFECTS FOR SYNTHROIDCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 5  Hashimoto's Disease/ Chronic Hives None Synthroid made me feel human again and once my thryoid was supressed my hives went into remission! F 31 5 years
7/22/2009
 5  Hypothyroidism None, although recently have experienced joint pain that has not subsided I have been taking Synthroid or Levothyroxin (depending on which GP prescribed and what insurance I was on) for 30 years. I feel it has done its job well. I have suffered throughout the years with other issues that have similar symptoms as others described in this post such as severe fatigue which was diagnosed as hyperparathyroidism (parathyroid is different than your thyroid). Once I had the offending parathyroid removed I felt much better. I have never been heavy but I also do not lose weight when exercising regularly and watching what I eat. I am also hypoglycemic so I eat very well. F 47 30 years
7/30/2009
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 5  Hashimotos/Hypothyroid Regulates my hormone levels just fine. Have had to have the dosage increased as my thyroid dysfunction increases, but no side effects from the drug itself. If your endocrinologist prescribes Synthroid, do not let your pharmacy give you a generic or other brand. There are major differences between the various natural and synthetic thyroid brands, and generics do NOT have the same formulations as the proprietary brands. If one brand doesn't seem to be working, talk to your doctor about switching to another. But stick to a single source. F 45 4 years
8/11/2009
 5  Total thyroidectomy; Hashimoto's None, I feel very healthy :) I had a large goiter for years but before I had my thyroid removed, I experienced weight gain, approximatly 40 pounds, hair thinning, coarse hair, brittle nails, dry skin, irratability, depression, and severe fatigue and exhaustion. After my surgery, I was put on BRAND NAME SYNTHROID, and have felt better everyday, my weight is so much more easier to control, my hair grows, I now longer have dry brittle hair or bad skin. If your taking Synthroid, or the generic, and are having bad symtoms again, I suggest getting your TSH levels read again, and going to a couple different doctors, being thyroid patients we should all know that over the years of our problems we will have to deal with changing doses, so deal! I believe in removing problematic goiters and starting fresh with taking brand name Synthroid alone, I feel like the goiter may interact with how the medicine is absorbed/used in the body. F 20 1 years
9/3/2009
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 5  Hypothyroidism None. I am very pleased with this medication. F 19 5 years
9/11/2009
 5  hypothyroidism none I am very pleased with Synthroid. My DR had to initially increase my dosage twice, but once the right dosage for my body was found, my hypothyroid symptoms have diminished significantly. My blood work consistenly reveals normal thyroid levels now while taking Synthroid. I have been very pleased. F 32 4 years
9/27/2009
 5  Hypothyroidism No side effects It's the best medicine for me. I have been talking med for 30 years. F 67 1 days
88mcg 1X day
1/20/2022
 5  Hashimoto's Heart flutters on occassion, mainly on my "two pill" days-the sleep problems, and sweaty palms are welcomed side effects when compared to the negative ones before the synthroid. At least I can think of what I am trying to say now. I actually was able to regulate on the generic. My doctor normally will not let his patients use the generic but since my numbers came down and goiter began to shrink within the 2nd month, he said okay. Luckily neither are expensive. I fought him on having to start a daily med. Now all I can say is- I wish I would have started taking it sooner. I feel much better!! F 38 5 months
3/13/2007
 5  removal of thyroid to nodules None, except when they had my levels to high, I was having anxiety It is great if they can keep levels controlled. I had my thyroid removed in Dec/of due to suspicious nodule and hashimotos. My levels have been messed up ever since, so I hope this new dose I am on straigtens things out. F 28 3 years
5/25/2006
 5  goiter thirty years ago hard to tell...seems to have positive effect when taken faithfully of keeping energy and temprament at steady keel even through menapause not sure I ever needed this drug - not automatically given for goiters today - but don't think I experienced side effects that I ever noted...thought taking it regularly may have helped keep weight and energy level in check, but have been lowering dosage and not feeling the loss of it even after 33 years! I think folks should take it if it's recommended. It's been used for so long. But the generic versions should be avoided. That's for sure. Not sure why, but when I took generic version, I felt for the first time like someone with an out of whack thyroid. F 62 35 years
1/15/2006
 5  Hypothyroidism none, if dose gets too high, you may get nervous, be careful to watch TSH This drug saved my life!!! F 31 3 years
8/23/2006
 5  hypothyroidism None! Synthroid is the best! People, beware of the generic meds! After 20 years on Synthroid, I changed to generic Levoxyl (due to insurance co-pay for Synthroid going through the roof). Changing to the generic was a costly mistake that I was not aware of until it was almost too late. Doctor told me that 5% of people who take generic don't know that it is not working until the bottom falls out, such as what happened in my case. When your condition does not seem to improve with Synthroid, do yourself a favor and stay on it. Your condition is likely caused by another auto-immune disease that goes hand-in-hand with hypothyroidism, such as Vitamin B12 deficiency, etc. Have your doctor check your Vitamin B12 level - this disease will cause many of the same symptoms as hypothyroidism (such as brain fog, muscle cramps and weakness, etc). Get yourself to a good endocrinologist who will take good care of you! Trust me, i learned all of this the hard way and am only posting in order to spare others the misery i have suffered! F 51 21 years
10/15/2006
 5  hypothyroidism None I was diagnosed in early June - have been on generic version of synthroid (levothyroxin) and began feeling better within 24 hrs. Had been suffering with throid problems and symptoms for about 5 years that were confusing and constantly changing. Totally out of balance. By time I got to a doctor and diagnosed properly I was at a range of 11.93. Within 6 wks. I was at and still am at 3.7. I feel great in comparison to how I was feeling. F 59 5 months
10/15/2006
 5  Hashimoto's thyroiditis None at all. Been on it 14 years now. Over the years I had a few symptoms but it was always because the dose was too high or low; body change/prescription issue, not a side-effect issue. F 42 14 years
5/11/2006
 5  hypothyroid None at all It took some time to get me stabilized, but once we got up to the proper dose, my blood levels have been stable for several years. F 31 7 years
5/13/2006
 5  Hypothyroidism None Beware of many of the comments below... many seem to be very ill-informed about medicines, the FDA, the real difference between "natural" and synthetic chemicals and possible hazards of either. F 34 9 years
5/15/2006
 5  Hypo after Radiation for Grave's Muscle cramping, localized joint pain, hair loss and weight gain. I was on synthroid for about 7 years before the birth of the children, and then stopped taking the meds without a Dr's consultation and since then I became severly Hyper (5 times the normal acceptable level) and was loosing weight and hair like crazy and couldn't sleep. I had the radiation treatment and am now hypo as I was told would happen. We are still trying to find the right level for me (.1mg currently) but now I can sleep! I have gained back the weight and then some and that doesn't bother me at all. My main concern now is the terrible hip joint pain. I will be requesting testing for arthritis in the week to come. If you feel you aren't being heard by your Dr...find someone else. You need to feel comfortable with him/her and they NEED to listen to you and not shrug off your concerns. A great Dr makes a world of difference. I am not seeing a specialist, just my regular GP. If you are having problems on synthroid, do some research, get informed and take control...your Dr F 34 2 months
1/14/2006
 5  sub total thyroidectomy for goiter initial hair loss, some headaches if you are prescribed, TAKE it! Just hang through all of the adjustments and your life will change for the better. F 31 2 years
100mcg 1X day
6/13/2011
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 5  Hashimotos I was diagnosed with Hashimotos when I was 8. I'm now 19. I've been taking Synthroid for 11 years, with 6 months on generic levothyroxine. The Synthroid brand actually worked better than the generic for me. I started on a very small dose, but it steadily increased as my thyroid levels balanced out. I'm now taking 137 mg and I feel totally fine. The only persisting symptoms of Hashimotos is hair loos (less sever than before I was on Synthroid) and occasional headaches. F 19 11 years
137 MG 1X day
7/18/2011
 5  Hypothyroidism None I was constantly struggling with my weight, was tired all the time, started getting hair where there shouldn't be any (upper lip, etc.), and irregular and excessive menstrual cycles. I was always skinny even without having to work out. After having my first child at the age of 21, I gained 60lbs during pregnancy, despite the fact that I ate nothing but healthy foods. It all went downhill from there! I had hit 220lbs before I knew it and no matter what dieting or exercise I tried, it did not help. I had seen a couple different doctors and let them know of my problems. I also had problems becoming pregnant again. They just slufted it off as me being lazy & whatnot. Then finally, I met a doctor that decided to check my thyroid. She was shocked by the results! It took a while to finally get the right dosage, and because of moving a couple of times I had to change insurance & doctors, but as soon as we found it I felt an immediate change! In only 4 months I had lost 30lbs by only counting calories. It was amazing!! Then, after 9 years of trying to get pregnant, even trying clomid for several rounds, just 5 months after getting the right dosage I became pregnant!! This medication has changed my life!! Never thought the thyroid controlled so many different things! F 30 5 years
175 MCG 1X day
8/11/2011
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