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Levothyroxine







Levothyroxine Article Summary

Levothyroxine, Also Known As L-thyroxine, Synthetic T4, Or 3,5,3',5'-tetraiodo-l-thyronine, Is A Synthetic Form Of Thyroxine (thyroid Hormone). The Natural Hormone Is Chemically In The L-form, As Is The Pharmaceutical Agent. Dextrothyroxine (d-thyroxine) Briefly Saw Research As An Anticholesterol Agent But Was Pulled Due To Cardiac Side-effects. the Eu Has Recently Standardized On The Use Of The International Nonproprietary Name "levothyroxine" For The Drug. Common Brand Names Include Thyrax, Eu ...

 Read the Full Levothyroxine Article
Article May Include Instructions, Side Effects, Interactions, Etc.

This article is from Wikipedia. All text is available under the terms of the GFDL
(GNU Free Documentation License) | http://en.wikipedia.org/wiki/Levothyroxine



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Levothyroxine Side Effects
I had a THYROIDECTOMY on Jan 2006 and was taking 50MCG levothyroid hormone ever since. I was doing well untill Apr 08 when I told my doctor that I was planning to get pregnant, she increased my dosage to 75MCG. It turned out aweful to me despite the doctor said that TSH falled into a lower safe range for pregnancy. I felt palpitation and sweatering in the first month and starting October I had trouble sleeping becuase whenever I laid down I felt palpitation and tight chest such that I had to put a pillow behind my upper back to get a whole sleep for a few days, And these symptoms scare me most because It's like haert failure, which could be a side effect of thyroxine! My BP--once measured in clinic 110/80-- scared me off because it was 90/60 for my 30 years of life and never changed before! I had to cut back my dose--just cut the tip off a bit--not precisely controlled. I still feel palpitation and my HR has been constantly 80/min in contrast to 60/min where I used to be before my surgery and when I was on 50MCG levothyroxine. My menstrual period has been delayed for 8days, it never happened before also. Starting one week ago, I felt chest tightness, esp when I want to jog, I just can't do it because I would feel chect pain if I run. >_< I just made an appointment with the doctor for next week, but I am so depressed and I'd like to hear suggestions from you.
Saturday, 1/3/2009 9:59:28 PM  1 Reply RSS Feed for these replies
Rash
My dosage was just changed from 50mg. every other day 75mg every other day. My new dosage is 75mg everyday now. Since I started my dosage change I have been getting a rash every 2 or 3 days. It itch's very bad. Has anyone else had this problem???
Friday, 1/2/2009 5:42:12 PM  2 Replies RSS Feed for these replies
Levothyroxine Side Effects
I was recently diagnosed with an underactive thyroid. I have been taking levothyroxine for almost two weeks. For the last four or five days I have had a weird feeling. It is hard to explain. I don't really feel dizzy but I get a strange feeling in my head. I guess you would describe it as a head rush. Has anyone else had this feeling and will it go away as my body adjusts to the levothyroxine?
Wednesday, 12/31/2008 11:10:36 AM  21 Replies RSS Feed for these replies
What's The Correct Time To Take Drug?
I've been taking Levothyroxine for a bout a month and a half because I had a hyper thyroid and had to have radation to stop my thyroid. I feel much better, but I'm scared of becoming fat. My container says, Take medication on an empty stomach 1HR before or 2-3 hours after a meal. Does this mean it's okay if I take it at 5:30 am and then go back to sleep 'til 9am? Or do I HAVE to eat exactly an hour afterwards. It's very hard to gage when I'm going to be eating or not. Often after a meal, I might still have a snack within an hour. I've never been a meal kind of person. I like to graze throughout the day. It's not like I'm as big as a cow. I'm 5'1 and 3/4'' and 101 lbs. It's very strange to go from 84 lbs. to 101 in just 2 months. I've got to go to sleep now because I just took my Levothyroxine and I'm feeling so hungry for a snack.:(
Wednesday, 10/15/2008 9:46:41 AM  2 Replies RSS Feed for these replies
Levothyroxzine
FIVE MONTHS AGO I HAD A TOTAL THYRODECTOMY.I HAVE BEEN TAKING 100MCG OF LEVOTHYROXZINE.MY BLOOD PRESSURE AT TIMES IS HIGH ,I GET IRREGULAR HEART BEATS ,ALWAYS HAVE ANZIETY.I FEEL WEAK MOST OF THE TIME.I HAVE LOST 5 POUNDS IN JUST THREE WEEKS WITHOUT EVEN TYRING AND I GET TERRIBLE BURNING FEELING IN THE HEAD.THE DOCTORS WILL DO NOTHING BECAUSE MY LEVELS ARE NORMAL.I WOULD APPRECIATE ANY SUGGESTIONS OR COMMENTS.
Sunday, 9/7/2008 12:09:50 AM  9 Replies RSS Feed for these replies
Weight Loss
I HAD A TOTAL THYROIDECTOMY AND TAKE 100MCG OF LEVOTHYROXZINE AND I HAVE WEIGHT LOSS ANYONE ELSE?
Saturday, 8/16/2008 6:56:14 PM  1 Reply RSS Feed for these replies
Shortness Of Breath
EVER SINCE MY TOTAL THYROIDECTOMY I HAVE BEEN TAKING LEVOTHYROXZINE AND FEEL AWFUL.I HAVE LOE ENERGY AND GET SHORT OF BREATH,I HEARD PEOLE GAIN WEIGHT I KEEP LOSSING WEIGHT YET MY NUMBERS ARE LEVEL,ANYONE ELSE?
Saturday, 8/16/2008 6:48:29 PM  1 Reply RSS Feed for these replies
Contradiction
Am taking levothyroxine & Evista(Raloxifine) like to know if these 2 medicine have contradiction.
Monday, 8/11/2008 3:18:46 PM  1 Reply RSS Feed for these replies
Breathless From Levothyroxine
My dosage was just increased,150 MCG,and was wondering if this drug can cause shortness of breath?
Tuesday, 5/13/2008 5:48:25 AM  2 Replies RSS Feed for these replies
Weight Gain
Gradual weight gain, cold all of the time
Saturday, 4/5/2008 8:07:27 AM  Post a Reply



Possible Dosages for this and Related Drugs:

Note: May Include Dosages for Drugs similar to Levothyroxine

Capsule   0.013mg,  0.025mg,  0.05mg,  0.075mg,  0.125mg,  0.15mg,  0.1mg,  100mcg,  125mcg,  13mcg,  150mcg,  25mcg,  50mcg,  75mcg
Injection   0.2mg,  0.5mg
Tablet   0.010mg,  0.025mg,  0.050mg,  0.05mg,  0.075mg,  0.088mg,  0.112mg,  0.125mg,  0.137mg,  0.15mg,  0.175mg,  0.1mg,  0.2mg,  0.3mg

Related Drug Page(s):

  • Levo-T Levothyroxine
  • Levolet Levothyroxine Sodium
  • Levothroid Levothyroxine
  • Levoxyl Levothyroxine
  • Novothyrox Levothyroxine Sodium
  • Synthroid Levothyroxine
  • Tirosint Levothyroxine Sodium
  • Unithroid Levothyroxine


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    Drugs/Levothyroxine.asp Last Updated January 3 2009



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