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
 
 3  Thyroidectomy from thyroid cancer Still having issues with: dry skin, low libido, muscle aches, frequent headaches (nearly everyday), fatigue, low energy and concentration. Not having issues with: weight gain, depression, constipation & chills. I posted a review on 01/06/09, you can scroll down and look for my review that is also under thyroidectomy/thyroid cancer. At the time, I was taking 137mcg of Synthroid. After 6 weeks, I had routine bloodwork and endo decided to double me up to 175mcg of Synthroid. I felt okay on this, but not 100% there. Had more routine bloodwork and learned that I would need 200mcg of Synthroid, good grief. I have been on that now for 2 weeks. To be honest, I feel just OKAY, still not 100% there! I'm getting really annoyed with this whole process. I hate that us who have no thyroid at all really have to suffer while we get this thing regulated. Sometimes the only thing that I think will truly help me is a gram of cocaine to get me and up and running! I have days where I can't concentrate at all. Sometimes I get in the car and arrive at my destination and don't remember any of the drive, it's scary. I only hope that I a miracle will happen so I can feel like my old self again. F 22 5 months
3/30/2009
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 3  Hypo Fatigue, weight gain and overall lack of energy About 3 years ago, I had my yearly thyroid check up and instead of seeing my regular endocrinologist, the new doctor (a year out of residency) saw me. I complained as usual even though my levels were "normal", I never felt my energy level resume to normal. He suggested we try adding Cytomel with my Synthroid to see if I felt any different. Cytomel he cautioned was still considered experimental and not consistently proven to help improve side effects. It is a lifesaver!! If you are feeling tired, weight gain, I suggest you ask your doctor to consider a combination of Synthroid and Cytomel. Although we had to adjust the dosages (I started off at 25MCG a day - half in the morning, half at night), and had to lower the dose to 5MCG in the morning and 5MCG at night. I can't express how much better I feel. I have the energy to run again and lost 10 pounds. F 39 10 years
3/1/2009
 3  congenital hypothyroidism anxiety, dry skin, extreme trouble concentrating and remembering also leg cramps My six year old daughter was born without a thyroid gland, she has always taken synthroid. as she got older i noticed she had a horrible memory, and can not concentrate for the life of her. i have recently begun to wonder if it is caused from the synthroid. about 2 months ago, i kept her off her meds for about a week, i noticed in that week, she seemed to blossom and she actually started to catch on to simple things like jokes, she would be able to remember what she walked into the room for, and just an overall improvement on her function. I thought it might be just a coincidence, as i have asked her endo's if they thought her symptoms were possibly from her synthroid and was assured that they weren't. I decided to test her again this week. She has been off her meds 3 days now, and i am almost in tears of joy and disbelief of her newfound confidence and personality and her ability to recal things. I desperately want to see my daughter live a normal life and be happy!! PLEASE PLEASE if anyone has any imput or a similar experience, please let me know what i should do, which meds to swich her to, she can't understand yet how to tell me how she is feeling, so i can't ask her, she just doesn't know how to answer, so all i have to go on is by observation. also i am in the southern salt lake area, if you know of a great ped endo that would be very helpful too. F 6 6 years
3/26/2009
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 3  Throid Nodules None ~ that I know of TSH levels stabalized, but T4 still elevated F 47
3/28/2009
 3  hypo none yet, starting and wanted to find out some info my pre diagonsed hypo symptoms are just as bad as these side effects, I figure that heck, if it doesn't work i am just as bad off as before starting. Here's to wishing for the best!!! F 28 0 days
9/16/2008
 3  Hashimoto's Thyroiditis LACTOSE INTOLERANCE BIG TIME!!! This medication caused so many problems for me. I took it for years and never knew it contained lactose. I always recommended Synthroid until I started having lactose intolerance problems due to under treated hypoT. I found the detailed version of the drug information and found it had lactose in it. Shock! I switched to Levoxyl and I'm glad I did. No more problems with my stomach. Now if I could just get my hypoT under control I'd be happy. F 54 4.5 years
6/3/2008
 3  Hypothyroid Lack of energy, headaches, tinnitus I have been on Synthroid for 15 years. At the beginning it worked great. Recently after severe stress, my body went out of balance. The doctor switched my dosage from the 100 mcg I have been taking for 6 years to 125 mcg. I have been sick for the past 4 months after tapering down from 125 to 112 and to 100 again. I have dizziness, severe tinnitus, insomnia and headaches. I attribute this to overdosing on Synthroid. Everybody is very different. I can only judge Synthroid for what it does to my body. It has very different effects on different people. I notice that stress plays a huge role on thyroid function. Overall and despite what I am going through, Synthroid has been a fine drug to be on. F 39 15 years
7/29/2009
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 3  total thryroidectomy in 2005 I had joint pain, muscle aches, burning sensation under skin, brain fog, tingling in hands, arms and legs, skin flushing, abdominal pain, hot flashes, back pain and no energy. I yo-yoed between 112 mcg and 125 mcgs for 4 years. I was seen by numerous MDs for Lyme Disease, fibromyalgia, rheumatoid arthritis - none of which I had. It turns out that I am sensitive to the dyes used in Synthroid. My Endo agreed to prescribe 50 mcg (dye free) tablets in such a way that gives me the appropriate dosage. My symptoms went away in less than a week! I hope this info is helpful. F 54 4 years
7/8/2009
 3  hypothyroid F 29 5 years
5/12/2009
 3  Graves Disease & Thyroidectomy Heart palpitations, acid reflux, anxiety, allergy issues, sinus issues, dry skin, hair not as thick as it use to be, hair shreds a lot when combed through, shorter menstrual cycle My levels have been normal through blood work. Have to continue to watch how much I eat to lose weight gained through pre-thyroidectomy weight gain. Still counting calories and having to exercise just to maintain weight. To lose weight I have to eat 1,100-1,200 calories a day. Energy level fluctuates, hands very dry, scalp very dry, sinuses and allergies all year long now, and since my other medicines I take interact with Levothyroxine I have to take them 4 hours apart. F 37 2 years
0.088 MG 1X day
2/21/2022
 3  Underactive thyroid Uh... Well... my gynocologist told me I had an enlarged thyroid and had my levels tested. Then I got put on this medicine. I don't really feel any different, and I think that's weird. I feel like I'm an experiment to see how long I'll take a sugar pill before I ask questions. I feel fine, so why mess with a good thing, I guess. F 23 10 months
10/8/2005
 3  Hypothyroidism When I feel that I have too much of this drug in my system the following things happened:rapid heart beat, dizziness, vomitting,couldn't get out of bed, high blood pressure, nervousness, tremours. I started taking synthroid about 8months and struggled to get my thyroid counts to stop bouncing all over the place. September 2005 my doc calls and tells me I have gone hyperthyroid and to stop all meds immediately, so I did. He called in October 2005 and told me that my thyroid had gone very low and to start the synthroid immedicately at my old dose .075. I did and 30 days later I felt like I was dying, doctors told me it was anxiey-NOT!!! I feel that I was on too much of synthroid. My doctor thought maybe it was a side effect of synthroid, he put me on Eltroxin, things settled down, heart rate lessened but would go away. Blood test showed 10.8 tsh five days later shower 3.81. Still shaky so I lessen my does to .05 and after three days the heart rate is barely noticable and I am starting to come out of my fog. I am going to see a Endrocologist soon and I have lots of questions. I am still researching but I know my body better then anyone and when my doctor said not to lessen F 34 8 months
12/23/2005
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 3  hypothyroid dizziness, not sure whether the dizziness comes from synthroid or not F 38 6 years
1/22/2006
 3  Thyroidectomy (cancer) Currently taking 175mg synthroid. Still have fatigue and heart palpitations. Freezing at bed time and then night sweats. I am thinking about adding iodine suppliments to help this. Moodiness. Weight gain. I had no problems having two pregnancies and two healty children since the thyroidectomy 5 years ago. Dizziness comes and goes. Very stiff neck and jaw. Memory loss/ lack of concentration and focus. So much water retention that I had my wedding band CUT off. Stiff joints. Be very selective when choosing your docotr. ALWAYS see a specialist for your testing and resluts. After my second baby, the OB prescribed synthroid at 125mg. I knew this was too low for me. In 3 months she tested my blood and took me down to 100mg synthroid. I was too tired to even chase that rabbit! And about eight weeks later my body SHUT DOWN! I sat in the chair and just cried from exhaustion. I felt like was taking in enough fuel through food, and getting what seemed like the proper amount of sleep, but I couldn't move. That was about 5 months ago. At that point I went back to a specialist and decided to go to 175 mg daily instead of 150 mg and 175 mg wevery other day. Yeah, I wish there was a perfect answer. I hope the natural stuff that is out there works. It seems like the research is not plentiful yet. F 35 5 years
1/22/2006
 3  Hypothyroidism / Hashimotos Tired, run down, mind in a blur, weakness, overall fatigue Overall this has helped me feel better, though I don't feel totally better yet. I am sure with a better diet and more exercise I'd feel better, but I still don't have enough energy to do that. F 29 5 years
1/11/2006
 3  mulitnodule goiter My hair started thinning and falling out!!!! shrunk my goiter and made me feel better, but couldn't deal with loss of my hair. F 30 6 months
11/8/2005
 3  thyroidectomy due to papillary ca Have noticed slow & steady weight gain & major hair loss, some stiffness in knees. Was hoping for more energy. I had one great energetic day since starting this, the rest of my days I get by but can't do anything extra like go for a walk. My main concerns so far are the weight gain & hair loss which my endo insists are not caused by the med. I guess I feel okay considering the circumstances. I would like to try something else, I will give this med a couple more months & see how I feel. F 58 4 months
100mcg
8/8/2012
 3  Hashimoto's disease When I increase my dosage above 10 mcg. I can't sleep; I get PVC's (heart rhythm disturbance); and I am irritable. Also overactive bowel, but can't tell if it's due to the Synthroid. I think the key to tolerating the drug is to start with a tiny dose and increase dosage VERY slowly -- about 1/4 mcg. every 4-6 weeks. Doctors don't seem to realize that some patients are extremely sensitive. (I crush 1/2 of a tablet and dissolve in 10 ml. of water, then measure 8 ml. with a graduated syringe.) F 67 10 months
8/3/2006
 3  Total Thyroidectomy Weight Gain, low energy, moodiness,hot flashes I have been on Synthroid for about 4 months now and my energy level is still not where it was before. I am also a type 1 diabetic. F 42 4 months
9/7/2006
Email
 3  hypothryroidism insomnia, wieght loss, thining hair, extreme mood swings i started taking synthroid because my dr. said my thyroid was enlarged and so far i have got some more energy, but i get really bad mood swings that i haven't had before. I also can't sleep(which sucks) F 15 10 months
1/30/2006

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