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  Hypothyroidism Increased anxiety and too stimulating for me. I am anxious to begin with. It got my TSH levels at normal levels after 6 weeks, but by week 6 my anxiety and stimulation on it was too much for me to handle, so I went off it. I guess I am sensitive to it. F 34 6 weeks
25 mcg 1X day
7/7/2017
Email
 1  No thyroid Muscle and joint pain, blurred vision, weight gain and on and on!!! FDA needs to monitor it better. There's talk in it for one thing! F 61 10 days
125
6/9/2017
Email
 1  Hypothyroidism Synthroid gave me extreme brain fog! My brain just would not work! Also, major hair loss. Three weeks after my doctor switched me from Synthroid to Nature Thyroid (I take this twice a day) my hair loss stopped! Also, my brain works again. I will never take Synthroid again! F 50 5 years
125 1X day
6/9/2017
Email
 3  Total thyroidectomy on January 2,20 F 52 2 years
0.075mg 1X day
5/21/2017
Email
 1  Underactive thyroid Ended up in the hospital twice thought I was having a heart attack. Heart pounding, racing and irregular beats. My chest felt very tight...horrible experience! M 66 0 weeks
Koo
5/15/2017
 1  Thyroid Torturous knee pain and thigh pain on my right leg that made me feel like my leg was lit on fire. No one investigated and many people of had this problem. Where is the FDA? Pain in right thigh like it was lit on fire and my knee is being stabbed, and I don't think it's a coincidence. Destroyed my life F 55 10 years
75
4/19/2017
 1  Dr. told me to. Nothing. It had NO EFFECT WHATSOEVER! I was really tired. Useless! F 45 2 months
120 mg
3/22/2017
 1   I am sick and tired of the fluctuation in potency from one lot to another of synthroid. It never fails, everytime i have a new refill, within a few days to a week i feel very different than i did on the prior refil. One batch and i start having hyper symptoms, next batch hypo, very rarely do i get lucky enough to get a batch that makes me feel normal. I get 90 day supply which is a long time to go with a bad batch of this stuff. I used to get 30 day supply and that was an even worse roller coaster ride. This drug is the pits no matter how you slice it.i've been on thyroid replacement for close to 30 years and the impact on quality of life has turned me inside out. I am tired of being told that this is the best it's ever going to be, and just live with it. When is the potency issue ever going to be fixed? 58 10 years
2/3/2017
Email
 2  No thyroid Gland Shakes-sweats- maker'even anxiety Feel take a lower dose ! What else is there! I have no thyroid? F 73 1 days
125
12/8/2016
 2  Thyroid removal left side...cancer. Hot flashes, insomnia, irritability Dosage increased after each blood test, from 25 to 125. DR. SAID TAKING Incorrectly because of other meds. Had pharmacist set up plan when to take meds. With increase to 125 feel terrible. F 70 10 months
125
8/20/2016
Email
 1  Hypothyroidism hot flashes, night sweats, frequent bowel movements, tingling in my hands and feet, high blood pressure, bone loss, loss of calcium, frequent urination, insomnia, irritability, fatigue, Thank god for this site! I thought I was being a hypochondriac. This drug is terrible. I am on the generic, but can't get my gp to admit to the side effects. F 43 9 months
75mg 1X day
8/5/2016
 4  hypothyroid super potent refill March 2016= hyper! I was switched to Synthroid in 2013 when Levoxyl was recalled. I have heard from doctors that Synthroid is the best and most precise dose amounts. Overall good experience. But I evidently got a super potent batch from March 2016, took 8 pills and went hyper, jittery, sick, dizzy, etc. Opened a different bottle of Synthroid I had refilled this month and after 3 days, the hyper symptoms have calmed down. I'm not a happy camper about this experience. Anyone else experience this? F 54 3 years
100 mcg. 1X day
6/7/2016
 4  hypothyroid I had several horrible bouts of thyroiditis and couldn't get on meds until my thyroid burned out it took over 3 years of pure hell going hyper to hypo with me being super sensitive to my thyroid I suffered with severe nausea for several years and anxiety, panic, insomnia to sleeping all day all the symptoms you could have and finally thank God my thyroid burned out and since taking this medicine my symptoms are probably 85% better so I can't complain very thankful for synthroid. I had also tried the generic first with the awful symptom of shaking from the insides like I was coming out of my skin but I have no sides from synthroid. F 38 10 months
75
5/28/2016
 1  synthroid extreme hypothyroidism I see the dates of these comments were when synthroid was a GREAT PRODUCT AND ABBOTT WAS STILL HERE IN THE US. But now FDA HAS TAKEN THYROID HORMONE OUT OF SYNTHROID AND ALLOWED DRUG COMPANIES TO CONVERT IT INTO GENERIC. THEY CALL IT BIOEQUIVELANT SYNTHROID. PHOOEY! THE DRUG SUCKS NOW! WE HAVE TO TELL THE FDA TO PUT BACK 90 TO 110 PERCENT THYROID F 48 27 years
1X day
4/9/2016
 1  Hashimotos My symptoms never improved and I gained 30 lbs within 7-8 months of starting it. Also, my face had continued to blow up like a balloon. I looked like a chipmunk when I smiled. Last but not least, I couldn't lose any weight, even though I went gluten free, ate fresh fruits & vegetables, and walked/ran 3 miles daily. After being off synthroid for 10 days (my own doing, not my dr) before starting Armour thyroid, my face already looked like I had lost 10 lbs. After a week of eating more food than I normally would have consumed, though still not overeating, I lost 1.2 lbs without even being on the treadmill. So, while some may do great on it, some don't. Ask for Armour thyroid if synthroid doesn't work. It has T3 and T4 whereas synthroid only has T4. F 41 3 years
100 mcg
4/5/2016
Email
 5  I have Graves' and Hashimoto None. As long as I take it on empty stomach as directed, without any calcium and iron as well. This med is best for me. M 33 1 days
200 now
3/30/2016
 2  Hypothyrode Hair loss, extreme fatigue. I like to work out take care of stress my heart palpitations scares me running out of breath. My problem is to take it as directed . Sometimes I just forget I wish we could get the right mix not from other places for cheaper price. They are gambling with our lives. FDA has to take care of the issue. Knowingly and to keep quiet, they are helping these huge pharmaceutical for just getting them rich. This is not new. This is not the only one. They have sold more like poison knowingly! What a shame F 69 10 years
112
3/29/2016
 1  hypothyroid I am hypothyroid and taking high does been taking this dose for a year half and ok till feb. wonder why? synthroid patent expired and drug companies can change them. What people need to know is this. if you will listen to me? I am a sufferer like you. you have to complain to the FDA and have your dr do it with you. I recently talked to them. They say no one is complaining. YOU HAVE TO COMPLAIN TO FDA NOT YOUR DR? he can't help you. The reason? FDA TOOK ACTIVE THYROID HORMONE OUT OF SYNTHROID AND LEVTHYXNE. they claim only 5 percent but you do the math. the pills before 2013 were 90 to 110 percent potency/ FOLKS YOU HAD MORE HORMONE THAN U DO NOW! Now the pill is 95 to 105 percent potency and falling 74. percent. People! that is bad! We need more hormone. You have to tell FDA you want a form to have your doctor insist FDA go back and put the adequate amount back in . 90 to 110 percent or nothing will happen. They were going to change it back to 90 110 if there were enough complaints but yu guys need to complain or they will stay this miserable pathetic lack of hormone pill. Im trying to get us together and educate all so we can fight and bring back the amount back in our pills. So people don't just send medwatch? You have to get form from fda and ask they send you the form for to increase hormone to 90 110 percent back again and have your dr agree and fill it out and then send it back to fda. if doctor does't, go to another one. I feel like crap> help me and you feel good again and do what I asked for you and me so we can get this fight going. Thank kimi please im trying to change things for us you can even call me I want to talk to you F 46 27 years
400 1X day
2/24/2016
Email
 1  hypothyrodism, rapid heartbeat,tremours,fainting,panic attacks,nervousness,would go blank,hard to swallow sometimes, i could never tolerate it. felt bad the whole time i took it. tried different dosages n nothing worked F 65 1 years
25
2/21/2016
Email
 1  underactive thyroid Well at first i gained a lot of weight (70-80 pounds),had sisnus problems,headaches,loss of sex drive, no appetite numbers still not right and just the feeling of being miserable and depressed and twice my age. Then 3yrs later with my numbers still way off they decided to raised my doseage and when they done that my symptoms had gotten worse. Bad anxity,anxiousness,headaches,reallyenergized,chest tightness, heart palpations,sinus problems, nervousness,real jittery,loss of sex drive, no appetite feeling depressed and my thyroid glands are very swollen now. I started taking levo. 88mcg (which is generic for sythroid ) in 2012 for about a year and it wasn't working.so they had me switch to the name brand sythroid 88mcg and it didn't do much better I had gained about 70-80 pounds had bad headaches/sisnus problems,loss of appetite, no sex drive and my numbers didn't get any better.So here we are 21/2 yrs.later nov.2015 almost 2016 From first starting on sythroid in 2013 they changed me to 100mcg I gained like 7 more pounds in a 6wks time frame and my numbers went up again way above average and my thyroid glands is also swollen so they decided to up my dose to 112mcg in feb.2016 and they also did an ultrasound on my neck and im waiting on the results for that. But while I'm waiting ive started on this higher dose of sythroid 112mcg and im havin more symptoms on top of the ones I was already having so now not only am I having the headaches,sinus problems, loss of sex drive, weight gain, no appetite depressed, numbers still high,swollen thyroid glands etc... but iam also now having bad anxity,anxiousness,heart palpations,nervousness,energized, chest tightness and real gittery and worrisome. I just want this problem fixed and I don't think Synthroid is gonna do it. It hasn't yet and it's been 3yrs since starting it and All its done is cause me more problems on top of the ones I already had. I want to stop taking this medicne but at the same time I'm scared to just stop so I feel stuck and don't no what to do. F 40 3 years
112mg
2/6/2016
Email

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