Who have Lightheadedness with Synthroid - from FDA reports


Lightheadedness is found among people who take Synthroid, especially for people who are female, 60+ old , have been taking the drug for < 1 month, also take medication Aspirin, and have High blood pressure. This study is created by eHealthMe based on reports of 161,620 people who have side effects when taking Synthroid from FDA, and is updated regularly.

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On Jan, 12, 2019

161,620 people reported to have side effects when taking Synthroid.
Among them, 9,089 people (5.62%) have Lightheadedness


Number of reports submitted per year:

Could Synthroid cause Lightheadedness?

Time on Synthroid when people have Lightheadedness *:

  • < 1 month: 28.27 %
  • 1 - 6 months: 20.42 %
  • 6 - 12 months: 5.24 %
  • 1 - 2 years: 6.28 %
  • 2 - 5 years: 8.9 %
  • 5 - 10 years: 7.33 %
  • 10+ years: 23.56 %

Gender of people who have Lightheadedness when taking Synthroid *:

  • female: 83.81 %
  • male: 16.19 %

Age of people who have Lightheadedness when taking Synthroid *:

  • 0-1: 0.01 %
  • 2-9: 0.03 %
  • 10-19: 0.41 %
  • 20-29: 1.84 %
  • 30-39: 5.08 %
  • 40-49: 11.1 %
  • 50-59: 19.69 %
  • 60+: 61.82 %

Top conditions involved for these people *:

  1. High Blood Pressure: 856 people, 9.42%
  2. Osteoporosis (bones weak and more likely to break): 724 people, 7.97%
  3. Depression: 658 people, 7.24%
  4. High Blood Cholesterol: 607 people, 6.68%
  5. Pain: 446 people, 4.91%
  6. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 411 people, 4.52%
  7. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 357 people, 3.93%
  8. Stress And Anxiety: 330 people, 3.63%
  9. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 289 people, 3.18%
  10. Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 250 people, 2.75%

Top co-used drugs for these people *:

  1. Aspirin: 741 people, 8.15%
  2. Lipitor: 734 people, 8.08%
  3. Lasix: 731 people, 8.04%
  4. Nexium: 578 people, 6.36%
  5. Fosamax: 540 people, 5.94%
  6. Prilosec: 534 people, 5.88%
  7. Protonix: 480 people, 5.28%
  8. Plavix: 476 people, 5.24%
  9. Lyrica: 472 people, 5.19%
  10. Forteo: 472 people, 5.19%

Top other side effects for these people *:

  1. Nausea (feeling of having an urge to vomit): 2,541 people, 27.96%
  2. Fatigue (feeling of tiredness): 2,060 people, 22.66%
  3. Headache (pain in head): 1,930 people, 21.23%
  4. Weakness: 1,794 people, 19.74%
  5. Breathing Difficulty: 1,409 people, 15.50%
  6. High Blood Pressure: 1,181 people, 12.99%
  7. Fall: 1,156 people, 12.72%
  8. Diarrhea: 1,135 people, 12.49%
  9. Nausea And Vomiting: 1,030 people, 11.33%
  10. Pain: 1,016 people, 11.18%

* Approximation only. Some reports may have incomplete information.

Do you have Lightheadedness while taking Synthroid?


You are not alone:




Related studies

Synthroid

Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Synthroid 170,727 users)

Lightheadedness

Lightheadedness (a common and often unpleasant sensation of dizziness and/or feeling that one may be about to faint) has been reported by people with high blood pressure, multiple sclerosis, depression, osteoporosis, pain (latest reports from 367,758 Lightheadedness patients).


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Synthroid side effects

Browse by gender and age

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+


Browse all side effects of Synthroid
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Compare Synthroid to similar drugs:


What would happen?

Predict new side effects and undetected conditions when you take Synthroid and have Lightheadedness


FDA reports used in this study



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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

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