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Methimazole

User Ratings
Out of 10
Satisfaction
4.5
3.1  Effectiveness
6.1  Side Effects
4.7  Holistic Benefits

RateADrug users have reported 9 Methimazole side effects and 4 Methimazole benefits.

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Treatment Information
There is currently no information to display in this section. RateADrug provides information about drugs and supplements though a wiki format provided by researchers, health care providers and others. We encourage you to add to this description by clicking on the button below.
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John Fitzgerald "Jack" Kennedy

He often used amphetamines to control asthma symptoms.

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Diane Keaton

Keaton reportedly suffers from adult-onset asthma and once played at an asthmatic cat lover.

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Jackie Joyner-Kersee

Jackie Joyner-Kersee's breathing difficulties were first diagnosed as bronchitis, then mononucleosis.

How does your Treatment Compare?
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BrandsEffectivenessHolistic BenefitsSide
Effects
Number of Ratings
5.5 3.3 2.94 4 Get Info
5 3.68 5.12 3 Get Info
4.5 5.09 4.51 4 Get Info
3.35 3.91 5.7 72 Get Info
0 0 0 0 Get Info
View All About these Scores Get Your Score
Effectiveness of Methimazole by Condition
Click on a condition to view RateADrug.com users ratings
- - - - - - - - - - - - - - - - -
Effectiveness on "Hyperthyroidism"
Bar Chart
About these Results  
Not at all Mildly Moderately Very Extremely
How effective is MethimazoleGet Your Score
Reported Changes in Health and Well-Being
Since taking Methimazole, RateADrug survey participants noticed these changes in their health:
Effect on:Much WorseWorseNo ChangeBetterMuch Better
Appetite 7.7% 15.4% 69.2% 3.8% 3.8%
Balance/Equilibrium 11.1% 11.1% 66.7% 7.4% 3.7%
Blood Pressure 0% 4% 76% 12% 8%
Breathing 4% 4% 84% 8% 0%
Confidence 7.7% 3.8% 73.1% 7.7% 7.7%
Coordination/Motor Skills 11.1% 18.5% 55.6% 11.1% 3.7%
Digestion 7.7% 11.5% 69.2% 11.5% 0%
Emotional Well-being 14.8% 3.7% 48.1% 22.2% 11.1%
Energy 14.8% 29.6% 29.6% 22.2% 3.7%
Eyesight 3.8% 11.5% 76.9% 3.8% 3.8%
Memory 11.5% 7.7% 57.7% 15.4% 7.7%
Mental Clarity 11.1% 11.1% 59.3% 11.1% 7.4%
Pain 11.1% 0% 77.8% 7.4% 3.7%
Patience 11.5% 7.7% 53.8% 23.1% 3.8%
Sexual Health 14.8% 3.7% 74.1% 3.7% 3.7%
Skin Complexion 3.8% 11.5% 80.8% 3.8% 0%
Sleep 26.9% 11.5% 42.3% 7.7% 11.5%
Stress Level 7.7% 7.7% 50% 19.2% 15.4%
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Commonly Reported Methimazole Side Effects
RateADrug survey participants experienced these commonly reported side effects:
Effect on:NoneMildModerateStrongSevere
Anxiety 88.9% 0% 11.1% 0% 0%
Blurred Vision 77.8% 11.1% 11.1% 0% 0%
Change in Weight 0% 25% 25% 25% 25%
Chills 33.3% 0% 33.3% 33.3% 0%
Cold Symptoms 88.9% 11.1% 0% 0% 0%
Confusion 88.9% 11.1% 0% 0% 0%
Coordination / Balance Problems 25% 25% 0% 25% 25%
Depression 88.9% 11.1% 0% 0% 0%
Dizziness 69.2% 15.4% 7.7% 3.8% 3.8%
Drowsiness 53.8% 19.2% 11.5% 11.5% 3.8%
Fatigue 53.8% 7.7% 15.4% 7.7% 15.4%
Gas 77.8% 22.2% 0% 0% 0%
Headache 54.5% 31.8% 9.1% 0% 4.5%
Hives 33.3% 0% 33.3% 0% 33.3%
Insomnia 66.7% 22.2% 0% 0% 11.1%
Irregular Heartbeat 77.8% 11.1% 11.1% 0% 0%
Itching 72.7% 18.2% 4.5% 4.5% 0%
Joint Swelling 81.8% 18.2% 0% 0% 0%
Mood Swings 88.9% 11.1% 0% 0% 0%
Muscle / Joint Pain 54.5% 18.2% 18.2% 4.5% 4.5%
Muscle Cramping 55.6% 0% 44.4% 0% 0%
Nausea 25% 25% 25% 25% 0%
Sexual Dysfunction 77.8% 11.1% 11.1% 0% 0%
Skin Rash 75% 18.8% 6.2% 0% 0%
Sore Throat 81.8% 9.1% 4.5% 4.5% 0%
Stomach Ache 88.9% 11.1% 0% 0% 0%
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Less Commonly Reported Methimazole Side Effects
RateADrug survey participants experienced less commonly reported side effects:
Effect on:NoneMildModerateStrongSevere
Burning Sensation 95.5% 0% 0% 4.5% 0%
Constipation 33.3% 0% 33.3% 0% 33.3%
Hair Loss 59.1% 22.7% 9.1% 4.5% 4.5%
Headache 33.3% 33.3% 33.3% 0% 0%
Insomnia 0% 0% 0% 100% 0%
Loss of Sense of Smell 90.9% 9.1% 0% 0% 0%
Muscle / Joint Pain 25% 0% 0% 50% 25%
Numbing Sensation 95.5% 4.5% 0% 0% 0%
Reduced Libido 90.9% 0% 0% 0% 9.1%
Skin Inflammation 50% 0% 50% 0% 0%
Tingling Sensations 33.3% 66.7% 0% 0% 0%
About these Scores  
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Episodes since taking Methimazole
Since taking Methimazole Rate a Drug survey participants reported these episodes:
Fall 10.5%
About these Results  
How does your experience compare with other Methimazole users?     Get Your Score

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User Comments about Methimazole
27 Feb 2013 I began the Methimazole in September of 2012. The first week was bad. Ups and downs and really bad headaches but then the headaches stopped and my energy level returned and things seemed to level out. My second lab that was drawn showed normal levels - then into the fourth month I began having that racing feeling with my heart and was so tired and had the shakes again and could barely stay awake and when I did sleep I never felt rested. My immediate thought was , this medication needs to be decrease and lo and behold I was right. The last labs drawn on Feb 14, 2013 showed the levels to be low ...so my DOC decreased the Methimazole to 10 mg per day half in the morning, half at night and within two days I began getting ready bad headaches. I was told this would happen until is all levels out again and my energy returns. I just do not know what to think, I hate medication and have not been sick in 22 years. When my blood pressure was out of control this past September it was my first ER visit in years and they are yelling HEART and I am saying NO THYROID ... do I know my own body or what? Endo wanted to yank ti out or do RA Iodine and I said " When pigs fly" My DOC is so great and he said "Look I know you are Holistic and do not like drugs but please try the Methimazole and if it does not agree with you I will take you off it " I trust my DOC so I took it for the four plus months. It's only been two days since the decrease and the headache from hell is what i have. Can anyone please explain that to me?
   —Posted by Anonymous
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13 Nov 2012 I am on my second week of taking these meds. Its worked great so far and hoping it continues to improve. I've been dealing with the symptoms (muscle/weight loss, shakes, memory loss - at night body is basically paralyzed from neck down) for about 3-4 months. I don't know what the normal symptoms are, and I've read that some have dealt with it for awhile. If it is anything like what I had, I do hope you find relief soon. The quality of life this has given back to me thus far is incredible. I haven't noticed any side effects so far, however it has only been 2 weeks. I read some deal with insomnia, I've had insomnia issues as far back as I can remember so not sure it changes anything for me. Bottom line for me is that it lets me hold my wife and play with my kids again.
   —Posted by Cas A
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07 Sep 2012 My major problem with Methimazole, which I have taken for the past 6 months, is severe insomnia which makes me so very exhausted during the day. I have never been a very good sleeper, but this is ridiculous! I have also lost half of my hair. I am having blood work next week and a follow-up with my endocrinologist a week later and hope to get some answers. To be fair, this drug has made my thyroid numbers fall in to the normal range.
   —Posted by Tired Lady
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01 Sep 2012 I am writing on behalf of my mother who is suffering from HYPERthyroidism. She feels that this medication is treating only her lab numbers. Regardless of where the numbers are,(normal now, per last draw of May 2012) she feels "not well". She is out out of the thyroid storm (had one in summer 2007), i.e. not always perspiring or tachychardic, BUT the quality of life has changed for the worse PERMANENTLY. She has lost more than half of her muscle mass and looks much older that her 77. The change in appearance (with the beginning of the disease) was overnight - suddenly darker eyebrows, wrinkled face, loss of muscle tone in the arms - followed by a muscle tear from simple outstretch of the arm. To this day, fast-growing fingernails. Dropping untencils, cups, plates. Memory and cognitive deficits. Quite devastating. At this point I don't know whether it is the methimazole's fault or her own age-related dementia...
   —Posted by Xopollo
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21 Dec 2011 I think it is causing insomnia, but not sure. I have not been able to sleep since taking the nuclear meds to kill my thyroid. This is the only new medication that I have taken since then . I started it 2 days after the nuclear medicine. I'm also taking carvedilol 12.5 mg 2 times / day. I've been experiencing joint & muscle pain but have had that before taking any medication. because I'm not sleeping and shaking, I was put on .5 mg of xanax/ 3 times / day. I have severe dry mouth and eyes. I don't know if all of this is side effects of different drugs or from the nuclear treatment, but I have rarely had dry mouth, blurred vison, or headaches and I do now. I have never had insomnia till now. I'm frustrated with taking medicine. I don't think that any of it is out weighing the side effects.
   —Posted by Anonymous
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