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
 
 3  high blood pressure fatuigue Have had wheezing and congestion in my lungs and some from my sinuses sometimes I get this white mucus that gets coughed up from time to time. poor sleep, toss and turn thur the night. heartburn. bad headaches sometimes. sometimes see white images in the corner of my eyes. doctor says that it's not the medication, but has now put me on a steroid inhaler which I had never had to use before! But it has kicked my energy level up from were it was. M 50 4 months
75MCG 1X day
10/25/2010
 1  hypothyroidism weignt gain, anxiety tingling and swelling in legs been on different dosages since start and continually had leg problems. Get aches and swelling in legs that I am able to walk or stand for a short time. Primary dr now says it is a rheumatology problem-new meds made swelling worse. Endo says TSH is ok. Have appt with pirmary next week and have stopped meds and of course cant get appt with another endo or rheumatologist for months. I think the synthroid is the cause -anyone have these problems. F 61 6 years
137 mg 1X day
10/25/2010
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 4  hypothyroidism sensitivity to heat. has helped to regulate my period well. F 33 6 months
50 mg 1X day
10/22/2010
 1  Hypothyroidism- Hashimoto's Disease Dizziness, loss of balance, vertigo, forgettfulness, menstral irregularities, insomnia,fatigue. From the problems I had with it, I can't believe they allow this drug on the market. My symptoms stopped immediately when switched to a natural thyroid product. Any one else have these problems? F 52 60 days
100 mcg 1X day
10/15/2010
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 2  Hypothyroid Did fine at first, after three month started experiencing shortness of breath,I exercise regularly and I can't walk up the stairs in my home or talk to much with out getting winded, after another 6 months started having chest pain. Also heart palpitations the whole time, didn't realize until I started having many other symptoms,bad anxiety,so bad I couldn't handle basic things, inflammation through out my body, muscle weakness,stomach cramping,acid reflux symptoms, but didn't match the typical triggers, throat hurts and feels like there is a knot in it, fatigue, don't want to get out of bed and lack of focus. Also If I didn't eat on time, symptoms got worse. Upon taking the med in the morning, started noticing I would not feel good about an hour later and the all my symptoms would start. These side affect were worse than hypothyroid symptoms. Would go to the doctor and nothing would be found. When I asked could it be my thyroid or the meds, they said "no".Or it was something else and treat me for that, with no improvement. Had a very bad heart palp on Sun and decided to lower my does to 12.5, then off altogether.Have only been off it for a couple of days and will go to the doctor on Mon. Each day that goes by feel a little better. Any one with thyroid problems should pay close attention to how they feel and try to find a doctor that will listen.It's not just about the tsh test. I have no doubt that this drug works for others with no side effect, just not right for me. So glad to find this sight, I am not the only one. F 45 15 months
50mg 1X day
10/9/2010
 1  hypothyroidism Extremem Memory Loss, Elevated Liver Enzymes and insomnia Synthroid isn't for everyone. I had an allergic reaction to Synthroid which caused my liver enzymes to skyrocket out of control, with extreme loss in memory and bouts of insomnia. I'm not certain if it was my liver's way of filtering out the synthetic aspect to Synthroid. My memory loss frightened me and my family. I couldn't remember friends names without serious thought, purchases I had made at the store, conversations that I had participated in, appointments, directions, etc. After 5 months and my physicians reluctance to switch me away from Synthroid I went to an Endocronologist who switched me to Armour. The first day I took Armour, I could feel all the neurons in my head going through synapsis and it was like having a cottony curtain raised from the bottom of my skull to the top back of my head. I cried for a few hours as the natural hormones moved through my system. Everything reset; my ability to remember came back immediately, my liver enzymes dropped back down into normal range and I was able to fall asleep easily in the evening. According to my Endocronologist and pharmacy, Armour is difficult to obtain and there have been shortages in the past. Just because memory loss is not list as a side effect doesn't mean it isn't. Patients need to trust their instincts and doctors need to be more willing to look at alternatives. F 42 5 months
30 MG 1X day
10/9/2010
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 1  thyroid removal weight gain, moodiness, no sexual desire, forgetfulness, continued hair loss, bad self image, combative F 61 5 years
50 1X day
10/1/2010
 1  hypothyroidism Heart arrhythmia, premature beat, tightness in head, shortness of breath, all accompanying digestive disturbance, occurring frequently after eating. Reason tells me this may have something to do with metabolism and not a defect in my heart, either way it is disconcerting. Since I am 100% sure it is the drug that is causing problems, I am discontinuing it again until after I see the cardiologist. I had none of the traditional symptoms of hypothyroidism, had a lot of energy and was losing weight which I was very proud of. I walk 2 miles 3 times a week. Doc insisted on lab work and immediately put me on Synthroid. Now I am gaining weight again although I eat sparsely. A previous doc a couple of years ago prescribed hypo meds and let me try Armour, which was better, but I felt I did better without the drugs at all. I wish I had gone by my first decision. However, I notified my doc that I am discontinuing the drug again and seeing a cardiologist just in case. I agree with one patient who said our thyroid count could well be different for different people. I think I am a prime case of this. I was glad to find this site, and realize that it is not just all in my mind. F 68 2 months
25MCG 1X day
10/1/2010
 1  Hypothroidism The First two weeks of taking synthroid I was fine, then on the 3rd week I developed dizziness, lightheaded, head pressure, left facial numbness, fatigue, difficulty concentrating, left eye dryness,tingling sensation to left foot and hand. I had to go to a neurologist after taking sythroid. Its been about 10 days since I stop taking sythroid, and I still feel head heaviness, weak, and difficulty concentrating. The facial numbness resolve. My TSH level is 9, and t4/t3 are normal. I personally dont recommend synthroid, but how will correct my TSH level. I guess I have to ask my Endo doctor to Rx Armour. M 36 14 days
50mcg 1X day
9/30/2010
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 2  Hypothyroidism Mood swings, weight gain, tired all the time, constant need to eat I had no symptoms prior to doctor prescribing meds but had a TSH of 5 -- I had lots of energy, great metabolism, positive attitude. After taking meds, I have developed all the symptoms of hypothyroidism! I have also gained 10 pounds but have never ever had a weight problem in my life!! No matter what I do, I cannot lose these 10 pounds! My husband is taking synthroid also and has the same complaints. I forgot to take my meds the other day and felt absolutely terrific for the first time in more than a year! I think I may "forget" more often! I believe different people have different TSH levels just as they have different blood pressure and heart rates. F 49 15 months
75 1X day
9/27/2010
 1  Hypothyroidism Weight Gain A blood panel done as a routine part of my last physical showed that my thyroid levels were off. I had not really been experiencing any symptoms. The doctor gave me a very small dose of levoxyl, generic for Synthroid. I went from 110 pounds that visit to 123 pounds when I returned less than 6 weeks later. My stomach and thighs ballooned up, even though I was eating the same diet and following the same exercise program. Before taking the meds, I had varied between 108 and 112 consistently for about ten years. My doctor, like so many others it seems, was very defensive when I mentioned my concerns. She told me that it was natural for me to gain weight, since I was hypothroid, and that it could not be the meds. God knows how long my throid has been off with no symptoms, but all of a sudden I gain over six pounds a month because it has been "diagnosed"? Doubt it. I am going to stop taking the meds and see a new doctor. Good luck to all! F 30 6 weeks
.0025 1X day
9/22/2010
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 5  Hashimotos, Hypo, right thyroidecto none, started at 150 mcg. suffered from severe joint pain, neuropathy in feet, and major short term memory loss. It is easy to blame problems on drug, but keep open mind to other causes. I found a good endo, and after thyroidectomy most prob's went away. M 48 8 years
188 mcg 1X day
9/19/2010
 3  Hypothyroidism I took .050 dosage and had horrible horrible headaches that felt like my head would explode and I felt chest pressure and very fast heartbeat with irregular heartbeat and out of breath like I had been running. Switched to lower dosage .025 and took for a week then all symptoms returned. Doctor told me to cut pills .025 into 1/4 and take that so have been taking a 1/4 pill a day for 4 weeks and have felt better. I have been having ptosis, can't open my eyes some mornings, and also occational trouble swallowing. My daughter is having same symtoms and was just diagnosed with myasthenia gravis. I looked MG up and found info on the web that said that synthroid can cause MG symtoms or aggravate MG symtoms so I am going to ask to be tested for MG at my next endo appt. F 55 5 weeks
.050 1X day
9/19/2010
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 1  hypothyroid Fatigue, dizziness, headaches, ear problems, TMJ, vision problems, bloating, confusion I have not felt right for the past 5 years. I keep asking my endocrinologist for Armour but she keeps refusing. I think Synthroid may be the reason I feel old at age 33. Please email me if you know of any doctors in northern VA that will prescribe Armour. F 33 9 years
75 1X day
9/17/2010
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 4  Total Thyroidectomy - Cancer Night sweats, trouble concentrating and trouble getting out of bed I had my thyroid (along with one parathyroid since it was engulfed by the tumor and seven lymph nodes) removed a little over a year ago due to papillary thyroid cancer. I was required to receive RAI after the surgery so I did not start my dosage until about 8 weeks after surgery. I started with 150 mcg per day and this was a bit too much for me so I actually take 150 mcg per day for 6 days out of the week and 75 mcg one day out of the week. I also started with the generic brand. I had to go off of my meds for ~5 weeks to do a full-body scan to make sure that the cancer was all gone. During those 5 weeks I felt increasingly worse being off my meds. Upon restarting my medication, my doctor switched me to Synthroid because it is easier to regulate since the formulation is constant (unlike generic). This switch was made because my husband and I are hoping to get pregnant and it is easier to keep a tight window on hormone levels with the Synthroid than the generic (just in case others are curious...because if your levels get too hyper, since you have to be kept hyper post-cancer, there is a higher potential for miscarriage). So far everything is going well, but it's been almost a month since my scan and my body is still recovering from those 5 weeks that I was off of the meds prior to the scan. Being off the meds was awful for me; I believe Synthroid is a godsend, especially once things get levelled out. I do agree with some other statements that exercising does help to F 26 11 months
150 mcg 1X day
9/15/2010
 4  Hypothyroid / Counteract Lithium Not sure. Perhaps sore throat. Had to adjust.....finding specific dose of 88 mcg was very difficult several years ago. Wondering if it needs adjustment again. As far as I know, my blood tests show normal range. I wish I would get a copy of the blood tests. M 38 20 years
88 mcg 1X day
9/8/2010
 5  Low Thyroid NONE other than the first 2 days or so i was itchy and had leg cramps ABSOLUTLY LOVE IT! The moment I started taking it i felt wonderful. I've forgotten to take it once and I was mean, depressed, dizzy and verrryyy tired. But I couldn't imagine my life without it i'm so happy! Don't read these reviews and be scared out of taking it like i did. take it and see how you react to it. everyone is differnt. I read these reviews the day that the doctor gave it to me and it scared me so much that i debated taking it. F 17 7 months
100 1X day
9/1/2010
 2  Hashimotos some heart paplpitations and chest pains. Also have heart burn really bad which may be where the chest pains come from. Legs ache sometimes and have occasional headaches. Weight has pretty much stayed the same but I am in the weight range I should be in for my height anyway. The very beginning of Hashimotos was found in a blood test because I was going to the doctor due to sickness and fatigue. During this time it was found that my gall bladder needed to be removed. After having gall bladder surgery the sickness has gone away but these other symptoms have arised. I don't know if some of them are due to the gall bladder being gone or taking the Synthroid. The chest pains scare me but the doctor has done and EKG, Echocardiogram, and and excercise stress test and they all came back great. It must be the medication. F 40 6 months
50 mg 1X day
8/24/2010
 1  hypothroidism Feet burn, Legs hurt, hips ache F 83 14 days
25mcg 1X day
8/24/2010
 4  Hashimoto's/Hypothyroid Was taking 137mcg Synthroid for a long time and feel like it was doing a decent job. Think I started a few years ago at 75 or 100. Am also taking low doses of Cytomel and Naltrexone. Tried the generic and did not work for me at all. Last blood tests were not good so was increased to 150. It is very hard for me to swallow and feels like a huge lump is in my throat and even my pills get stuck! My neck looks very swollen and my hair falls out like crazy and I am sensitive to cold. I am getting desparate wondering if I should have thyroid removed?? Comments please! I am now suffering from joint pain, feeling achy and being tired again. Never really had a problem with this. I would be tired but the increase always took care of it. Now I think the increase is too much for me to take everyday. I have had a severe headache for 4 days now and stopped taking the Synthroid and Cytomel 2 days ago. I take the Naltrexone at night before bed and the others same time every morning when I get up. F 54 3 weeks
150 1X day
8/20/2010
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