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Synthroid

Levothyroxine sodium

User Ratings
Out of 10
Satisfaction
6.2
5.1  Effectiveness
4.3  Side Effects
5.4  Holistic Benefits

RateADrug users have reported 6 Synthroid side effects and 4 Synthroid benefits.

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Treatment Information
The generic name of this medication is levothyroxine and brand names are Levoxyl and Synthroid.
The active ingredient of Synthroid is levothyroxine sodium thyroid hormone.
Mainly used in treating low thyroid hormone levels and certain types of goiters.
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How does your Treatment Compare?
Choose a Condition:
Show results for:
BrandsEffectivenessHolistic BenefitsSide
Effects		Number of Ratings
Armour thyroid 6.77 6.44 2.37 13 Get Info
Synthroid 4.86 5.08 3.34 83 Get Info
Levothyroxine Sodium 4.43 4.43 3.05 47 Get Info
Levothroid 2 3.36 5.24 11 Get Info
Levoxyl 1.05 3.58 5.45 21 Get Info
View All About these Scores Get Your Score
Effectiveness of Synthroid by Condition
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- - - - - - - - - - - - - - - - -
Effectiveness on "Hypothyroidism"
Bar Chart
About these Results  
Not at all Mildly Moderately Very Extremely
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Reported Changes in Health and Well-Being
Since taking Synthroid, RateADrug survey participants noticed these changes in their health:
Effect on:Much WorseWorseNo ChangeBetterMuch Better
Appetite 6.4% 16.8% 56% 14.4% 6.4%
Balance/Equilibrium 4.1% 6.6% 76.2% 9.8% 3.3%
Blood Pressure 7.3% 4.1% 79.7% 6.5% 2.4%
Breathing 5.7% 8.1% 70.7% 13% 2.4%
Confidence 6.5% 6.5% 69.1% 9.8% 8.1%
Coordination/Motor Skills 5.7% 5.7% 69.1% 14.6% 4.9%
Digestion 6.5% 5.7% 69.1% 13% 5.7%
Emotional Well-being 7.3% 12.1% 55.6% 15.3% 9.7%
Energy 10.4% 15.2% 35.2% 25.6% 13.6%
Eyesight 6.5% 7.3% 80.5% 3.3% 2.4%
Memory 6.5% 13.7% 64.5% 9.7% 5.6%
Mental Clarity 5.6% 12% 62.4% 12% 8%
Pain 5.6% 4.8% 71.8% 12.1% 5.6%
Patience 5.7% 12.2% 59.3% 14.6% 8.1%
Sexual Health 6.5% 3.3% 78.9% 7.3% 4.1%
Skin Complexion 4.8% 8.1% 72.6% 11.3% 3.2%
Sleep 7.3% 16.9% 51.6% 15.3% 8.9%
Stress Level 7.3% 12.1% 62.1% 12.1% 6.5%
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Commonly Reported Synthroid Side Effects
RateADrug survey participants experienced these commonly reported side effects:
Effect on:NoneMildModerateStrongSevere
Allergic Reaction 91.3% 2.6% 1.7% 4.3% 0%
Anxiety 64.3% 14.3% 3.6% 10.7% 7.1%
Blurred Vision 85.7% 10.7% 3.6% 0% 0%
Breast Tenderness 0% 0% 100% 0% 0%
Breathing Difficulties 86.7% 10% 3.3% 0% 0%
Change in Weight 51.7% 15.5% 17.2% 7.8% 7.8%
Chills 83.9% 3.6% 6.2% 2.7% 3.6%
Cold Symptoms 89.3% 3.6% 0% 3.6% 3.6%
Confusion 85.7% 7.1% 3.6% 3.6% 0%
Coordination / Balance Problems 86.8% 7.7% 1.1% 0% 4.4%
Depression 75% 17.9% 3.6% 0% 3.6%
Diarrhea 85.7% 10.7% 0% 3.6% 0%
Dizziness 78.7% 12.3% 4.1% 1.6% 3.3%
Drowsiness 81.5% 5.9% 4.2% 4.2% 4.2%
Fatigue 67.5% 13% 9.8% 4.9% 4.9%
Fever 96.4% 0% 3.6% 0% 0%
Gas 78.6% 14.3% 7.1% 0% 0%
Headache 70% 13.3% 3.3% 13.3% 0%
Hives 95.5% 1.8% 0.9% 0% 1.8%
Insomnia 71.4% 7.1% 10.7% 3.6% 7.1%
Irregular Heartbeat 75% 14.3% 3.6% 7.1% 0%
Itching 60% 20% 20% 0% 0%
Mood Swings 71.4% 14.3% 3.6% 10.7% 0%
Muscle Cramping 85.7% 3.6% 0% 3.6% 7.1%
Nausea 84.3% 6.1% 5.2% 1.7% 2.6%
Sensitivity to Light 85.7% 3.6% 7.1% 3.6% 0%
Sexual Dysfunction 81.5% 0% 14.8% 3.7% 0%
Skin Rash 91.4% 3.2% 0% 2.2% 3.2%
Stomach Ache 78.6% 3.6% 10.7% 3.6% 3.6%
Swelling 75% 0% 25% 0% 0%
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Less Commonly Reported Synthroid Side Effects
RateADrug survey participants experienced less commonly reported side effects:
Effect on:NoneMildModerateStrongSevere
Abdominal Pain 50% 50% 0% 0% 0%
Change in Behavior 50% 25% 25% 0% 0%
Change in Weight 25% 50% 0% 25% 0%
Chest Pain 75% 25% 0% 0% 0%
Constipation 81.3% 5.5% 7.7% 2.2% 3.3%
Diarrhea 50% 50% 0% 0% 0%
Flushing 75% 25% 0% 0% 0%
Hair Loss 50% 50% 0% 0% 0%
Headache 72.5% 8.8% 9.9% 7.7% 1.1%
Increased Appetite 50% 25% 0% 25% 0%
Insomnia 50% 50% 0% 0% 0%
Muscle / Joint Pain 75.9% 8% 3.6% 7.1% 5.4%
Muscle Fatigue 50% 0% 50% 0% 0%
Nervousness 50% 50% 0% 0% 0%
Rapid Heartbeat 0% 50% 50% 0% 0%
Reduced Libido 86% 4% 6% 4% 0%
Skin Inflammation 89.2% 2.7% 1.8% 2.7% 3.6%
Tingling Sensations 81.1% 9% 5.4% 1.8% 2.7%
Tremors 50% 50% 0% 0% 0%
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Episodes since taking Synthroid
Since taking Synthroid Rate a Drug survey participants reported these episodes:
Auto Accident 3.4%
Fall 6.7%
Heart attack 0.7%
Hospitalization 5.4%
Seizure 1.3%
About these Results  
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User Comments about Synthroid
24 May 2012 I had to begin taking this medication as a result of Iodine treatment for hyperthyroidism.
   —Posted by Anonymous
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24 May 2012 Synthroid has worked really well for me with no side effects
   —Posted by Anonymous
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03 Mar 2012 It is a very effective medication that has controlled my symptoms
   —Posted by Erika
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13 Feb 2012 I changed over from generic to Synthroid,and i feel better,less side effects.No more stomach cramp,abdominal pain or hadache.The negative side effects what i experienced is so far, i gained some weight and my libido is changed...
   —Posted by Anonymous
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06 Jan 2012 Ordered for replacement surgery after lobectemy
   —Posted by Anonymous
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