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)

  

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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
 
 2  Hashimoto/hypothyroidism Weight gain, constipation, difficulty to concentrate, distention of stomach area, dry eyes and skin although the TSH level is now normal, as per dr (1.2), none of the symptoms have really improved. The weight gain has been steady regardless of dieting and exercise. Dr denies this is possiblethe lack of concentration is making my working life miserable, where I have to double check everything I do. Very depressed with all this. Don't know if it's the medication, the hypothyroidism or menopause. Or all of these. There has to be a way to feel better than this ? F 55 1 years
75 1X day
7/22/2011
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 1  hypothyroid I took this for about 20 years but over the last few years I react to it like if it is a poison. I now get side effects of anxiety, insomnia and what feels like a heart attack. I had to back off the drug and then would feel better for about a week or so and then the side effects would start again...until I backed down on the dosage again...etc. We even tried the 50 mcg (which is white), thinking maybe it was the food coloring that was causing the reaction...but it made no difference. I can no longer tollerate any Synthroid or any of its generics. No doctor can understand or explain why? I have now been experimenting with glandulars from Amazon and also have also found that I have Hashimoto's and must avoid ALL iodine/iodide. Turns out if I had known to avoid all iodine years ago I may have saved some of my thyroid. Is there a reason doctors and even the web keep promoting the use of iodine when it causes Hashimoto's to get worse?? And most people with a thyroid disorder have Hashimoto's F 42 20 years
225mcg 1X day
7/22/2011
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 4  hypothyroidism blurry vision In 2003 I had my son, about 6 months later I began feeling completely ran down, depressed and so darn tired I coudldn't take it. I made an appointment with my PCP, who almost immediately saw a lump in my neck. She sent me for labs, which came back I was hyperthyroid. I had tests, an uptake with iodine and found that the left side of my thyroid was not functioning. It also had a nodule on it. My ENT decided to do a partial thyroidectomy. I felt great for awhile, maybe a year or so. In 2005 I began feeling depressed, was sleepy all the time, just not feeling like me. Had my labs checked, as I did every three months, but levels always came back within normal range. I changed so many doctors even though I had an HMO, but each one of them was the same. They didn't give a hoot about me or my thyroid levels. In 2011 I got married and went on my husbands health plan, a ppo. And guess what? Mysteriously I became hypothyroid. Interesting how that works. Even if it is a coincidence, I am glad my new doctor found it and put me on this medication. I'm sure we will have to figure out which dosage is right for me, but so far...I'm able to fall asleep at night, my depression is almost all gone, and I'm just happier all around. F 32 3 weeks
25mg 1X day
7/19/2011
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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
 3  hypothyroidism lately feeling tired, depressed ; feeling weak after eating; I have increased exercise more concious of diet, but weight (losing) continues to be slow regular checks with doctor, but I just don't know what or how I should feel. F 49 2 years
75mcg 1X day
7/18/2011
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 3  hypothyroidism hair loss, fatigue, weakness, mood swing, crying one moment to laughing the next, depressed i was started at 25mg then came back after 6 weeks upped to 50mg still wasn't enough then 75mg i was on 75mg for a while till this past week they said it was low and they put me on 100mg right before the switch i was and still am loosing a lot of hair.. im so sleepy i just to a 3 hour nap today! muscle pain in my arms and sad today. hope it works for now F 21 1 years
100mg 1X day
7/16/2011
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 3  Hashimotos extreme fatigue, reduced bowel movements (once a week), change in appetite, headaches, dizziness, confusion, morning sickness, changes in menstral cycles, pain in joints and muscles. Ive been taking synthroid for four years and it's had its ups and downs. My doses change every six months, and Ive not been able to find stability in the drug. I sleep A LOT, more than I should. It is difficult for me to work for eight hours without sleeping. After work, I go home and fall asleep for two hours every day, wake up and eat dinner, and go back to sleep. On days off, I take three or four naps a day. It's incredibly frustrating because i can't stay awake even if I have things to do. The headaches are also terrible. I experienced severe joint pains and muscle weakness, and began taking a vitamin D supplement, and that helps a bit. I'm simply frustrated with the inconsistancy and fatigue. I'm sick and tired of being sick and tired! F 19 4 years
50mcg 1X day
7/9/2011
 4  Total Thyroidectomy due to cancer Severe depression, unsually irritable, lack of patience, recently always hungry, total mood swings, tremendously sad for no apparent reason. On the good side once a dose change has a while to take effect I feel great huge increase in energy, mood swings seem to go away everything is much better. As you all know its all about fine tuning the dose! I find every change makes me feel like crap for a minimum of three weeks before I begin to feel somewhat of myself again. I started syntroid at 50 mcg and have increased to a max of 375mcg of which I was feeling great at the maximum although apparently my t4 began to rise way too high so I've been reduced to 274mcg. Ibfeel as though I have half the energy, depressed more and mood swings are back. 3 more weeks till next M 30 4 weeks
174 2X day
6/29/2011
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 1  Hypothyroidism I’m a 33-year-old modestly fit female. I was recently diagnosed with hypothyroidism. My doctor started me on 50mcg/day exactly 2 weeks ago. It’s been all downhill since then. My hopes for seeing any improvements were dashed. I’m feeling much *worse* than before I went on the medication, as it seems to be amplifying my hypothyroid symptoms. I feel even more exhausted, more cold intolerant, and I’ve gained 7 lbs. in ONE WEEK!! I’m a very active person, and I have continued to exercise and watch what I eat. True, I know it is most likely water weight, as I’m really swollen, esp. in my upper abdomen area and face – but it’s just so discouraging! I’ve been told that this is normal if you’re not able to convert T4 to T3 very well (Synthroid is a T4-only med), so I’ll probably require the addition of a T3 medication or at least the natural dessicated thyroid which contains both T4 and T3. I’m going to have to go i 33 2 weeks
50mcg 1X day
6/20/2011
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 1  Hypothyroidism/Hashimoto Syndrome Extreme Fatigue Cluster headaches Anxiety Attacks Difficulty Concentrating Elevated BP Heart Palpatations I have been on this medicine prior and done "OK" with it but have recently tried taking it again and having a multitude of problems. I was diagnosed with Hypothyroidism when I was 15 years old. I did well on the medicines until I started having children and more after I had my Total hysterectomy. Since then I have gained 50lbs, and no matter what diet I have tried, weight watchers, atkins, low carb, low fat, south beach, and even not eating I still gain weight. I never lose. Within the last year everytime I try to take my synthroid I get extreme fatigue to the point it is difficult for me to function. Within 12 hours I usually experience a horrible panic or anxiety attack and just generally feel like crap. I discussed all of these symptoms with my Endocrinologist, whom made me feel like I was a complete psycho. She said that none of that could be caused by the medication and she actually asked me "what I wanted her to do?" My answer to her was you are the doctor and that is why I am here. I dont have a medical degree to treat myself, if I did I would not be where I am now. She told me just to start the meds again and fight through the side effects and for no reason should I stop it. Well that was easy for her to say because she is not the one having all the problems. I stopped it several times and the symptoms go away and then when I try to start it again they come right back. I want to get better and feel better but I shouldnt have to suffer m F 37
Up to .200 1X day
6/14/2011
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 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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 1  I felt fine dr. said #were too high gastrointestinal problems i.e. severe cramping, horrific headaches daily I gave up taking it. Felt good again Now dr. put me on 15 mg Armour; new set of problems, twitching, numbness on one side of face, acid reflux, heart palpitations and seve headache; I have given up and will see endo. F 69 6 weeks
50 mcg 1X day
6/8/2011
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 1  Hashimoto's Put on Synthroid but can not take it due to a CORN allergy! I was prescribed Synthroid by my GP and he insisted that I use only Synthroid (no generic). He wrote across my script to cross reference for corn products, however apparently the pharmacist did not realize that confectioner's sugar contains corn products. Yes, confectioner's sugar is in your Synthroid pill! After only a few days, my breathing had gotten so bad that I started searching for anything in my diet that had changed. Often food manufacturers will arbitrarily change the ingredients in their products. I went though everything and then all at once I knew ...the Synthroid was the NEW thing. I went to the internet to find the inactive ingredients and there is was confectioner's sugar! Stopped Synthroid and start Levoxyl which does not have added sugar. Doing well on levoxyl! F 50 4 years
75 1X day
6/6/2011
 1  Total Thyroidectomy -papillary thyr Severe anxiety,headaches,joint pain,severe hair loss,weight gain,brain fog,Skin eruptions on front of shin.Insomnia. For me this drug is a nightmare. F 50 7 years
125mcg 2X day
6/4/2011
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 2  hypothyroidism Hair loss, fatigue, heart palpitations, feel like I am having a heart attack occasionally, pain in shins, muscle and joing weakness, low sex drive, vaginal dryness, throat dryness, dry skin, eye twitching, arm muscle twitching, leg muscle twitching. Also have terrible memory problems and difficulty concentrating now. Was put on synthroid at my post-partum check up after my last child (actually was initially hyper but within a month went to hypo). I have always had problems and have never felt like it worked the way it is supposed to. My initial problems were with weight gain and dry skin and hair loss and fatigue until about 8 years ago then started having joint problems and heart palpitations. I now can't even open a bag of lettuce without using scissors. I came off of it for about 3 weeks because I ran out and was helping with tornado relief efforts. Pain in shins went away; when I got back on it pain in shins came back. I told my husband I think it is the synthroid. I am now looking for alternative treatments. I have gone to numerous doctors about my various symptoms, but they don't ever seem to find anything, actually they make me feel like I am crazy for even coming to them with these problems. F 42 18 years
100 mcg 1X day
5/27/2011
 4  Thyroid cancer - complete removal Only thing is some chest tighness. However i will take that over the thyroid cancer n hashimoto sx! If u are losing hair, have joint pain or stiff muscles, fogging thinking, extreme tiredness, pins n needles in hands and feet- low b12 levels... probably not this med. You may have thryoid cancer and not just a thyroid problem. Demand an sonogram/ ultra sound of your thyroid. I saved my sisters life this way. They said no need for sonogram...just has underactive thyroid...demanded it- saw lump- biopsied and cancer. 5 years later found my own cancer as well. Its not the meds...its your thyroid. Please get it checked. DL F 35 4 months
125 1X day
5/15/2011
 4  Thyroidectomy due to cancer In the beginning i was on a higher dose and had palpitations. Have been on current dose for about 19 years without a problem. Recently my TSH levels have increased and my dosage was increased but my levels are not optimum. At this time my dosage change is ongoing. I have not had any problems with hair loss until recently F 58 22 years
125 mcg 1X day
5/13/2011
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 3  hypothyroid Just got diagnosed with hypthyroid. Had EGD yesterday so today is my second day on this med Im at work I feel drugged very drowsy and started having an anxiety attack about 30 mins after my dose today...eyes hurting...feels like Im clinching my teeth...whats going on? I dont like what I have read but I love this website since it actually gives you the real deal on the medicines so many docs prescribe us over and over again! Within the past year Ive been experiencing hair loss...eyebrow and eyelash loss as well and extreme weight gain and just figuring out why. Now Im reading there is more hair loss and weigh gain to come with this med! Nooo...help...what are my options? F 38 2 days
100 mcg 1X day
5/13/2011
 2   Allergic reaction, asthma Initially, and almost immediately after first taking Synthroid, I would get what seemed to me like allergy attacks- itchy eyes, runny nose, sneezing. This would happen about 20-30 minutes after I took the pill, every day. I called the Nurse Practitioner who put me on Synthroid to discuss, and she convinced me, against my better judgement, that it was merely a coincidence, that I must have spontaneously gotten seasonal allergies at the same time- something I've never had before. Two more weeks went by and my morning symptoms had evolved into constant post-nasal drip, tightness in my throat, difficulty breathing, asthma, and frequent headaches. I went back to the hospital to complain about what I thought were the side effects of the Synthroid- a different nurse practitioner saw me and came to the same conclusion that I had seasonal allergies with some asthma resulting from them. She put me on two more medications for allergy and an albuterol inhaler. Now taking four drugs, my symptoms got worse, not better. Yesterday morning, after having great difficulty breathing, an intense headache, and nausea, I didn't feel like taking any meds or eating at all (just water). Within the course of the day, My sinuses cleared up for the first time since going on the Synthroid, my throat opened up, and my asthma attacks have also subsided. This is the second cause and effect "coincidence" I've experienced on this drug. I weary of taking it again, or trusting the advice of that medica M 38 6 weeks
5 mcg 1X day
5/11/2011
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 5   F 46 22 days
125 1X day
5/3/2011
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