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
 
 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
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 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  yes Complete hypothyroidism Don't bee fooled people. It is the fda that is responsible for the thyroid hormone to be taken out. What morons with to much power. We need 90 to 110 percent potency put back in our pills a d then we will all feel good again.fight! Fight the fda! Demand it back.they think we don't know.what a @ joke! They don't know based a a group of people with an elevated heart beat.they were probably going through menapause. Stupid fda took a group and made a ,very bad desicion for the rest of us! I say this lets have drug companies make 2 types of thyroid drugs. 1 that is 95%to 105% for the group that needs them like that and make very potent 90% to 110% back for us that need it back! Let's write our congress men and fight this enemy fda. Take to supreme court press charges for the seriouse illnesses they are causing us! I'm very seriouse. These dummies aren't listening to patients suffering at their hands. F 30 1 days
400
8/16/2015
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 1  hypothyroidism More depressed, lethargic less energy more weight gainlots of sweating Don't feel any better feel worse F 53 8 months
.25mcg.
8/25/2015
 1  Hashimoto's hypothyroidism Extremely depressed, more fatigued than before medication. Foggy brained, inability to focus. Horrible periods, worse than than before medication. I have been on Synthroid for 2 years, but 75 micrograms for 1 year. Every time my dose was adjusted, I became very ill. Dizzy spells, severe sweating, fatigue, etc. F 47 1 years
75
9/13/2015
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 1  Thyroid hoshimoto Gave me night mares didn't help went onto natural product and have never had those problems again. Some time they try to put me back on it but refuse. Helped my sister and cousin get natural synthesis should not be push on people should be given the best product for problem. What would these doctors take? F 59 1 years
125
2/28/2015
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 1  Hypothyroid 4.75 1st day I felt warm and tingly and high. But after that moved to gigantic mood swings and was so grumpy I couldn't even take myself. Finally yesterday I woke up in a full blown freak out panic attack crying, heart beating out of my chest ALL day, blood pressure through the roof, palpitations, i thought i was going to have a heart attack or stroke! I was very very very angry and aggressive for no reason at all as well. This medication is dangerous. In my opinion this medication is dangerous. I am going the natural route instead. Standard Process (Drenamin and Thytrophen) supplements and changing my diet. Once you are on synthroid you have to keep taking it. It doesnt HEAL or FIX anything......... Work with your body and not against it. Say no to synthroid. F 40 14 days
50 MG 1X day
3/4/2015
Email
 1  I have Hypothyroidism Grumpy no appetite tons of pain everywhere blurry vision headaches nausea tiers sore hands feet legs cry all the time my hair comes out in clumps DEPRESSION Lack of Intrest in anything feel like I don't want to live pain all in girl parts angrey cry every day so sad F 60 3 years
50mg
9/25/2015
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 1  Hypothyroid Bloating, rapid weight gain, fatigue, irritability, lethargy I hate this drug F 40 90 days
50 1X day
4/8/2015
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 1  Hashi Anxiety, hot flashes, shaking, heavy periods and horrible cramps. Upset all the time Don't use this drug! Look for something else! F 17 4 months
50 MG
4/12/2015
 1  hypothyroidism and hashimotis Feel terrible so tired and balance is off walk into the wall somtimes ear pain and infection freezing cold or roasting hot sodium and electrolyte problem pass out This drug should not be on the market F 52 2 years
50mg
5/5/2015
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 1  extreme hypothyroidism Totally hypothyroidism with high does need 90 110 to come back Disfunctionable F 30 10 weeks
350 mcgs
5/7/2015
 1  Hypothyroidism Depression, anxiety, headache, dizziness, I had an even where my heart started beating fast, I started sweating, I got too dizzy to stand, and a major headache. Got sent home from work and was too exhausted to move for the rest of the day. The depression was so bad I cried every night and even had planned on killing myself. I talked to my dr and he said that my body would reject it like that for a year and then I should get used to it. He told me to wait it out. Then he upped my dose and told me there were no other thyroid meds on the market. I stopped taking it and am looking for a new dr. And I feel 1000% better. Worst medicine ever. F 24 1 years
50mg
2/14/2015
 1  Low thyroid Moodiness emotional weight gain I've been on three different doses in the last six months. I've gained about thirty pounds. I'm more emotional and very temperamental and anxious. F 24 6 months
25 mg
6/19/2015
 1  Hypo Rapid weight gain, significant hair loss, brain fog, sleepy all the time, severe irritability, unexplained anger, increase in depression. My endo switched me from cytomel to synthroid. Disaster! First couple weeks weren't too bad although the fatigue and hair loss began. Week 3 was awful. I stuck with it as it takes a few weeks to see the benefits. I eventually stopped the medication due to severe mood changes and I did not notice any benefit. Switched back to cytomel at higher dose and feel fabulous! F 51 3 months
50 mcg 1X day
7/7/2015
 1  Hashimoto's(autoimmune thyroiditis) Side effects? I'd call them "poison indications": I had been tired and worn out when I got started on this medicine, but the medicine induced full-blow hypothyroidism, and after 6 years they gave me the diagnosis CFS/ME. WARNING! If you do not see improvment after several months GET OFF THIS MEDICINE and try something else. Better yet, try the natural/pig/Armour types FIRST. The scary thing about synthetic thyroid medicine is that they say you have to wait a number of months and go through dosage increases before you will notice "improvement". Unfortunately by that time I was sicker than I'd ever been in my life, and my brain was all but dead, my muscles were tense and I could no longer exercise without getting a migraine and spending the rest of the week on the sofa in pain. This medicine was a dead end for me, and I am thankful for my life I managed to pull out of it. Why do the doctors not care to learn about the side effects of this drug, especially when so many are "sentenced" to it for life?!?! F 40 6 years
3/3/2008
 1  thyroidectomy anxiety, high blood pressure,(188/104 leg and neck cramps, headache, racing heart,shortness of breath,medication sensitivity, unable to mix premarin or pain meds with other medicine w/o side effects, blurred vision. Doc refused to change meds after TSH went to 17 and I had to be rushed to the hospital by ambulance for these symptoms. Once I realized that my ENDO doc did not have my best interest at heart, I fired him. My regular doc aswitched me to Armour,when my ENDO doc said "it's an old fashion drug and no one uses it anymore." Remember....Some docs are not into cures,they make money off of sick people not healthy ones! terrible drug F 57 6 days
2/21/2008
 1  hypo DIZZINESS, OFF BALANCE, BRAIN FOG, EXTREME sensitivity to noise, intensified senses( to light, noise etc...) racing heart, shortness of breath, feelings of mental breakdown, extreme jittery feeling-NEVER experienced any of this B4 meds!!! I've now tried synthro, levo(the generic), and Armour and have had AWFUL experiences with all!! My TSH #s are 100+ so I have to take something but cannot tolerate anything thus far- ANY ADVISE/help would be soooo appreciated. I honestly can't take it any longer! My body cannot be without some form of help(med) but I feel MUCH worse on the meds. Anyone heard of thyroid replacement surgery?? I will try/do anything to feel like myself again. My children feel like they "lost" their mother. I am at the end of my rope!! F 35
3/31/2008
Email
 1  Radiation for thyroid nodules Began taking Synthroid on advice of my OB/GYN who thought I would lose a few pounds a feel better. I took this information to my GP and he started me on .50 even though my TSH was 3.1. I did not lose weight but gained. My joints began to ache, my eyes hurt, my skin got drier and I had itching from my scalp to my hips. I suffered depression and last year, a year on Synthroid, I began to suffer panic attacks. Two months ago my GP increased my dosage to .75 although my TSH was 3.7. He thought I needed more Synthroid as I complained of feeling cold. In the last 3 weeks I have gotten worse, have had heart arrhythmias (and am on a beta blocker), increased pulse and more anxiety. First, you need to see an endocrinolgoist. I had been seeing one prior to starting Synthroid and he did not recommend it unless my TSH got close to 5-5.5. I have now stopped the Synthroid and scheduled an appointment with an endocrinologist in hopes of finding a more natural,safer drug. F 60 2 years
3/22/2008
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 1  Hypothyroidism Brain fog, joint pain, fibromalgia, cold intolerance, low libido, irritability, depression, weight-gain, dry skin, dry and brittle hair, fatigue, and irregularity with menstral cycles. When you are prescribed a medication for a condition, it should help alleviate the symptoms of what you are taking it for, right? Synthroid didn't do that for me. In fact, I feel worse. I've tried this for four years, and if I haven't seen results by now, I doubt I'm going to. My endo (like most) adamantly refused to switch me off of this med even after I tried to explain my reasons; so I fired him. I went to Armour's website and located a physician, and have an appointment in April. I'm looking forward to getting off this med. I DON'T RECOMMEND SYNTHROID!!!!!!!! F 33 4 years
3/22/2008

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