what are the long term side effects of taking levothyroxine?
106535
['increased appetite.', 'weight loss.', 'heat sensitivity.', 'excessive sweating.', 'headache.', 'hyperactivity.', 'nervousness.', 'anxiety.']
178309
Ironically, taking the hormone levothyroxine to treat an underactive thyroid can contribute to some hair loss, among other side effects, but this seems to be more common within the first month of treatment and more often in children than adults.
120090
Levothyroxine is a medicine used to treat an underactive thyroid gland (hypothyroidism). The thyroid gland makes thyroid hormone which helps to control energy levels and growth. Levothyroxine is taken to replace the missing thyroid hormone. Levothyroxine is only available on prescription.
816135
['Infertility. One possible side effect that may not go away is infertility. ... ', 'Osteopenia and osteoporosis. ... ', 'Heart damage. ... ', 'Leukemia.']
1434390
Levothyroxine is given when the thyroid does not produce enough of this hormone on its own. Euthyrox treats hypothyroidism (low thyroid hormone). Euthyrox is also used to treat or prevent goiter (enlarged thyroid gland), which can be caused by hormone imbalances, radiation treatment, surgery, or cancer.
393995
['Dizziness/low blood pressure upon standing.', 'Weight gain, dose dependent.', 'High levels of triglycerides in the blood.', 'High cholesterol.', 'Drowsiness, dose dependent.', 'Extrapyramidal symptoms (EPS), dose dependent (muscle spasms, jerky movements, slow movements)', 'Dry mouth.', 'Weakness.']
787503
['nervousness, anxiety and irritability.', 'mood swings.', 'difficulty sleeping.', 'persistent tiredness and weakness.', 'sensitivity to heat.', 'swelling in your neck from an enlarged thyroid gland (goitre)', 'an irregular and/or unusually fast heart rate (palpitations)', 'twitching or trembling.']
1157147
Using ciprofloxacin together with levothyroxine can decrease the effects of levothyroxine. You should separate administration of ciprofloxacin and levothyroxine by several hours to minimize any effect this could have. Talk with your doctor before using ciprofloxacin while you are using levothyroxine.
341298
['drowsiness, dizziness;', 'breast pain;', 'mood changes;', 'headache;', 'constipation, diarrhea, heartburn;', 'bloating, swelling in your hands or feet;', 'joint pain;', 'hot flashes; or.']
140029
['nervousness, anxiety and irritability.', 'mood swings.', 'difficulty sleeping.', 'persistent tiredness and weakness.', 'sensitivity to heat.', 'swelling in your neck from an enlarged thyroid gland (goitre)', 'an irregular and/or unusually fast heart rate (palpitations)']
1458023
Headaches should usually go away after the first week of taking levothyroxine. Talk to your doctor if they last longer than a week or are severe. feeling restless or excitable, or problems sleeping - these symptoms should improve as your body gets used to levothyroxine.
1147950
If you take too much of the drug, you may develop symptoms of overactive thyroid, including fatigue, sensitivity to heat, increased appetite, and sweating. Symptoms of a levothyroxine overdose may also include: Confusion and disorientation. Shock.
345437
Tell your doctor right away if any of these unlikely but serious effects of high thyroid hormone levels occur: increased sweating, sensitivity to heat, mental/mood changes (such as nervousness, mood swings), tiredness, diarrhea, shaking (tremor), headache, shortness of breath.
330262
Taking this drug with levothyroxine may increase your risk of high blood pressure and fast heart rate.
657466
It is also important to note that headache is a common side effect of levothyroxine use. In people with moderate to severe hypothyroidism, who would inherently require higher doses, the drug may, in fact, trigger headaches or worsen existing symptoms.
104811
['Weight loss.', 'Hyper-excitability.', 'Increased appetite.', 'Increased thirst.', 'Increased urination.', 'Enlargement of thyroid gland.', 'Vomiting.', 'Diarrhea.']
1268345
Side effects may include nausea and stomach pain, runny nose, headache, metallic taste, and diarrhea. In sensitive people, iodine can cause side effects including swelling of the lips and face (angioedema), severe bleeding and bruising, fever, joint pain, lymph node enlargement, hives, and death.