Synthroid Side Effects

Side effects and experiences with Synthroid by users like you. Post Yours Now.
  1. link Olympa16
    Synthroid pregnancy tests, bloodwork, hormone levels, hypothyroidism, cramps
    I am only 18 and recently diagnosed with hypothyroidism, after gaining around 12 lbs over 3 months. At first they just put me on a diet, but after some blood work, I was put on Synthroid to even out my hormone levels. I feel mostly depressed, moody, - 68% more...
    Olympa16- over a year ago - 2 Replies - in Synthroid
  2. link Msilvis
    You probably have Hashimotos Disease. I was diagnosed with hypothyroidism and told I would be on synthroid for the rest of my life. I did not take it and have since been diagnosed with Hashimotos, which is what happens after hypothyroidism. A gluten - 61% more...
    Msilvis- over a year ago
  3. link Delaney
    Synthroid stomach area, total thyroidectomy, hair thinning, bloated, brittle
    Had total thyroidectomy 9 months ago and started taking Synthroid immediately thereafter. For the last 4 months I have noticed significant hair thinning. I have always had very thick, healthly looking hair but now it's just dry and brittle all of the - 48% more...
    Delaney- over a year ago - 22 Replies - in Synthroid
  4. link Mautene
    Hi folks. Had my TT. Nov 2010. My blood tests last week were really good, but had to increase the calcium supplements as still a little low and still getting the tingling and cramps in the fingers and toes.Still got probs with breathing and need a sp - 84% more...
    Mautene- over a year ago
  5. link Kdsntow4
    I also know someone who was on synthroid and it was not working so they switched to Armour Thyroid which is a natural medication made from pig thyroid. It does have cornstarch in it alsoso those who are allergic should look forother brands without co - 28% more...
    Kdsntow4- over a year ago
  6. link Kdsntow4
    I will have to look into the Cytomel also. I had a total thyroidectomy in nov 2010 and I feel horrible. I feeltired all the time and have to drag myself out of bed. All I can think abouut all day at work is getting home and going to bed. I have gaine - 61% more...
    Kdsntow4- over a year ago
  7. link Drphyllis
    Yes, I have had alot of your same symptoms. I decided to stop going to my Ednocrinologist because he said I was doing great and that my blood results were in range, I decided to have my Internst follow me instead and she has been working with me ever - 47% more...
    Drphyllis- over a year ago
  8. link Drphyllis
    Hi Kelly, I too got my thyroid removed Aug 2010 and have many bad side effects....crying, nite sweats and very low energy. I have gained 12 lbs and I am very discouraged. I am on 100mcg Levoxil and recently she put me on Cytomel 10 mcg and I feel so - 36% more...
    Drphyllis- over a year ago
  9. link Pat1966
    Synthroid stomach ache, stomach problems, levoxyl, endocrinologist, internist
    I was put on Synthroid and noticed that while waiting the 30 minutes between taking it and eating my breakfast I developed a terrible stomach ache. At the same time my stomach and intestines were "gurgling" constantly. Finally one morning I - 65% more...
    Pat1966- over a year ago - 2 Replies - in Synthroid
  10. link Hypothyroidbeth
    I've gotten stomach aches from my thyroid prescriptions as well. The first time, it was improved by changing brands (different brands contain different inactive ingredients). I'm experiencing stomach upset again after my prescription was increased fr - 64% more...
    Hypothyroidbeth- over a year ago
  11. link A55magic
    Why can't I take this drug???
    Diagnosed with hypo, doc gave me .050 synthroid but I got horrible headaches, shaky, shortness of breath, chest pain, couldn't sleep...........doc reduced me to .025 but same thing......started taking 1/4 of the .025 pill a day and felt ok, enough to - 53% more...
    A55magic- over a year ago - 8 Replies - in Synthroid
  12. link Mountainmeezer
    I have the same issues. I have tried taking Synthroid 3 different times and quit each time because of intense anxiety and heart racing. My doctor keeps telling me I shouldn't be having these problems after a week or two, but...........
    Mountainmeezer- over a year ago
  13. link Noahbear
    Oh, if you want to contact me, email me at
    Noahbear- over a year ago
  14. link Noahbear
    I don't know, but I have the same problem. I seem to get hyper symptoms on the lowest dose and it's so disappointing. The worst symptoms for me is the anxiety and insomnia.
    Noahbear- over a year ago
  15. link Natmann
    Synthroid poison ivy, horrible time, scabs, levo, energy level
    Hi. I was switched from Levo to Synthroid about 4 weeks ago because of an allergic reaction with severe itching. My hands and arms literally became like scabs and bloody like I had poison ivy. I am just as itchy with the Synthroid and now my energy l - 63% more...
    Natmann- over a year ago - 2 Replies - in Synthroid
  16. link Lkraft
    Im so glad to have found this site--I thought i was losing my mind! The itching, depression and "foggy" feeling are some of the same symptoms ive been having. Im taking levothyroxine and felt fine at first--side effects started gradually bu - 49% more...
    Lkraft- over a year ago
  17. link Tallcat
    Synthroid tsh test, finding a good doctor, calcium supplements, cold sweats, insominia
    I have been on synthroid for 18 months,my the type that relies on the TSH test,and if its normal range,she wont lift a finger.I have numerous side effects after starting on synthroid,primarily,intense itching skin,insomnia and cold sweats.I sin - 73% more...
    Tallcat- over a year ago - 2 Replies - in Synthroid
  18. link Lkraft
    Hi-I am also having many of the same side effects..still searching for a doctor that will listen to me!!!!! Good luck to you.
    Lkraft- over a year ago
  19. link Snartie
    on syntroid for a year or so and seem disconnected emotionally and spiritually. Lack of motivation, loss of focus seem to be the typical rather than the occassional. Used to really enjoy studying the bible - now could care less work (sales) is lacklu - 50% more...
    Snartie- over a year ago - 3 Replies - in Synthroid
  20. link Friendly
    Dear Smartie, I feel the SAME way. It's like I feel nothing anymore. The words you used are perfect -disconnected, lackluster, lack of motivation, loss of focus, and stuck in tub of apathy. I've been on synthroid for 2-3 years and I have been wonderi - 50% more...
    Friendly- over a year ago
  21. link Drphyllis

    I agree with switching to Levoxyl, however, the Cytomel has helped me come thru all these side effects myself. I take 100mcg Levoxyl and 10mcg Cytomel and my pain, fog and depression is gone.
    Drphyllis- over a year ago - in Synthroid
  22. link Hollyamber710
    Synthroid mood swings, heart, losing my mind, synthroid, clumps
    I started this drug about a week ago and on the fourth day started having wicked mood swings, crazy heat flashes, sweating like mad and my heart beating so fast that I thought it was coming out of my chest. My Dr. cut the dosage in half (I was alread - 53% more...
    Hollyamber710- over a year ago - 2 Replies - in Synthroid
  23. link Betteroff11
    Sounds like you two might need to switch to a natural thyroid drug such as Armour. I too suffered many adverse symptoms before getting onto Armour thyroid a few years ago, it is a lifesaver for many people with hypothyroidism. Good luck!
    Betteroff11- over a year ago
  24. link 01wendy
    Synthroid natural pathic, cracking knees, total thyroidectomy, brain fog, thyroid levels
    I cannot believe I came across this website,I had a total thyroidectomy when I was 18 yrs old,I have been taking synthroid for 23 years,and my whole life I have suffered many of the side effects that everyone else is experiencing,but I have just lear - 75% more...
    01wendy- over a year ago - 4 Replies - in Synthroid
  25. link Jrmsews
    I guess we're all crazy. Just because the doctor has never heard of it doesn't mean it's not happening. I know my body and how I feel. I think I am going to stop taking my medication (Synthroid and Armour) for a few weeks. I didn't feel bad before I - 60% more...
    Jrmsews- over a year ago
  26. link Marina217
    Synthroid armour thyroid, happy all the time, clumps, endo, losing weight
    Everyone out there, try Armour Thyroid!!! I was changed to Synthroid (because my endo only believed in it) a few years ago, and put on 15 pounds and lost half of my hair. I work out at least 6 days a week, run 3-4 miles a day, and live on salad. I as - 70% more...
    Marina217- over a year ago - 6 Replies - in Synthroid
  27. link Gayet
    I had my thyroid removed 40 years ago and was on Armour med for years. My endoc. doctor also told me to start taking Synthroid because he said that the Armour pills weren't consistent and each pill would have different 'parts' of the pig in them. He - 43% more...
    Gayet- over a year ago
  28. link Kim344
    snythroid help
    hi everyone wanted to know if anyone has had these symptoms while taking snythroid some painful joint pain but severe tendon pain and swelling in my hands and varies other parts of my body but not all at the same time have gone through so many tests - 39% more...
    Kim344- over a year ago - 3 Replies - in Synthroid
  29. link Susanruth
    Hi I am planning on getting off synthroid and going on Armour. I have been on it for 8 weeks. I have swollen and stiff hands, pain in both of my hips and excessive sweating. I have just begun to have ear pain. I can't wait to get off of it. Susan
    Susanruth- over a year ago
  30. link Laurenaricketts
    I too have been having very bad joint and tendon pain and plan on stopping synthyroid asap. glad to hear this could hopefully be the cause of all my new problems!
    Laurenaricketts- over a year ago
  31. link N2quality888
    Synthroid brain fog, eye sight, chest pain, fluttering heart, medical journal
    Hello To All, I too am on this med, I have been on it for 1 year as of July 2008- 35 pounds, brain fog, headaches, eye sight for reading, chest pain and fluttering heart beat. My doctor who is my friend has told me that he will up my dose... "De - 48% more...
    N2quality888- over a year ago - 6 Replies - in Synthroid
  32. link Zoescorp
    I love my Synthroid. I've been on it for 15 years after brief times taking Armour and Levo (generic). I feel absolutely Hypothyroid without my daily Synthroid. I take 175 mcgs. I've been on 150 mcgs for at least 7 years and loving every minute. Recen - 65% more...
    Zoescorp- over a year ago
  33. link Rich8004
    muscle soreness in arm
    i just started to take syntroid about a month ago, i still have no energy .i just started to get muscle pain in mostly my right arm it feels really sore ,i wonder if that can be caused by the snythroid.thank you nancy
    Rich8004- over a year ago - 1 Reply - in Synthroid
  34. link Lulu0369
    Increasing Dosage
    My current TSH level is 1.4 but my doctor wants it at or below .8. He just increased my dosage from .05 to .1. What kind of side effects should I expect? I am a very nervous medication taker and already deal with some anxiety issues. I really need to - 21% more...
    Lulu0369- over a year ago - in Synthroid
  35. link Ericb
    Synthroid free t4 levels, severe anxiety, having some sort, loss of appetite, levothyroxine
    I've been on levothyroxine for about two years now. Never had a problem. All the sudden, about two weeks ago, I started having severe anxiety, nausea, loss of appetite, paranoia, insomnia, sweating, chills, racing thoughts. I felt like I was going in - 78% more...
    Ericb- over a year ago - 1 Reply - in Synthroid
  36. link Sman
    Hi I have a similar story. I have been on levothyroxine for years however all of sudden especially with 100 mg. I have been having sever nausea, anxiety (clenching of teeth). Not able to convience my dr. but I have had numerous tests and blood work d - 40% more...
    Sman- over a year ago
  37. link Notmyselfat50
    From one extreme to the other
    About 4 years ago, I was diagnosed with severe hyperthyroidism. We did not have an endocrinologist in our area; and my lack of transportation was crippling. My doctor was treating me with PTU; but to no avail. Last July, I became very weak - even pas - 83% more...
    Notmyselfat50- over a year ago - in Synthroid