LEVOXYL® How should I take LEVOXYL?

(levothyroxine sodium)

How should I take LEVOXYL?

  • Take LEVOXYL exactly as your healthcare provider tells you to take it.
  • Your healthcare provider will tell you how much LEVOXYL to take each day.
  • Take your dose of LEVOXYL on an empty stomach, at least 30 minutes to 1 hour before breakfast with a full glass of water to avoid choking or gagging.
  • Giving LEVOXYL to infants and children who cannot swallow tablets:
    • Crush the tablet.
    • Place the freshly crushed tablet in a small amount (5 mL to 10 mL or 1 teaspoon to 2 teaspoons) of water.
    • Immediately give the medicine by spoon or dropper.
    • Do not store the mixed medicine. Do not give in foods that decrease the absorption of LEVOXYL, such as soybean-based infant formula.
  • Your healthcare provider may change your dose if needed.
  • Certain medicines can interfere with how LEVOXYL is absorbed by your body. Take or give LEVOXYL:
    • at least 4 hours before or after medicines that contain calcium carbonate or iron (ferrous sulfate).
    • at least 4 hours before medicines that contain bile acid sequestrants or ion exchange resins.
Know the medicines that you take. Ask your healthcare provider or pharmacist for a list of these medicines, if you are not sure.
  • Certain foods and drinks including soybean flour, cotton seed meal, walnuts, grapefruit juice and dietary fiber can affect your treatment and dose of LEVOXYL. Talk to your healthcare provider if you eat or drink these foods.
  • Your healthcare provider should do certain blood tests while you are taking LEVOXYL and may change your daily dose of LEVOXYL as needed. You should not stop taking LEVOXYL or change your dose unless your healthcare provider tells you to.
  • It may take weeks before you notice your symptoms getting better. Keep using this medicine even if you feel well.
  • You may have to take medicine for the rest of your life to replace the thyroid hormone your body cannot produce.
  • If you take too much LEVOXYL or overdose, call your healthcare provider or poison control center at 1-800-222-1222, or go to the nearest hospital emergency room right away.

Find LEVOXYL® medical information:

Find LEVOXYL® medical information:

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Medication Guide

Health Professional Information

How should I take LEVOXYL?

How should I take LEVOXYL?

  • Take LEVOXYL exactly as your healthcare provider tells you to take it.
  • Your healthcare provider will tell you how much LEVOXYL to take each day.
  • Take your dose of LEVOXYL on an empty stomach, at least 30 minutes to 1 hour before breakfast with a full glass of water to avoid choking or gagging.
  • Giving LEVOXYL to infants and children who cannot swallow tablets:
    • Crush the tablet.
    • Place the freshly crushed tablet in a small amount (5 mL to 10 mL or 1 teaspoon to 2 teaspoons) of water.
    • Immediately give the medicine by spoon or dropper.
    • Do not store the mixed medicine. Do not give in foods that decrease the absorption of LEVOXYL, such as soybean-based infant formula.
  • Your healthcare provider may change your dose if needed.
  • Certain medicines can interfere with how LEVOXYL is absorbed by your body. Take or give LEVOXYL:
    • at least 4 hours before or after medicines that contain calcium carbonate or iron (ferrous sulfate).
    • at least 4 hours before medicines that contain bile acid sequestrants or ion exchange resins.
Know the medicines that you take. Ask your healthcare provider or pharmacist for a list of these medicines, if you are not sure.
  • Certain foods and drinks including soybean flour, cotton seed meal, walnuts, grapefruit juice and dietary fiber can affect your treatment and dose of LEVOXYL. Talk to your healthcare provider if you eat or drink these foods.
  • Your healthcare provider should do certain blood tests while you are taking LEVOXYL and may change your daily dose of LEVOXYL as needed. You should not stop taking LEVOXYL or change your dose unless your healthcare provider tells you to.
  • It may take weeks before you notice your symptoms getting better. Keep using this medicine even if you feel well.
  • You may have to take medicine for the rest of your life to replace the thyroid hormone your body cannot produce.
  • If you take too much LEVOXYL or overdose, call your healthcare provider or poison control center at 1-800-222-1222, or go to the nearest hospital emergency room right away.
Prescribing Information
Download Prescribing Information

Health Professional Information

How should I take LEVOXYL?

How should I take LEVOXYL?

  • Take LEVOXYL exactly as your healthcare provider tells you to take it.
  • Your healthcare provider will tell you how much LEVOXYL to take each day.
  • Take your dose of LEVOXYL on an empty stomach, at least 30 minutes to 1 hour before breakfast with a full glass of water to avoid choking or gagging.
  • Giving LEVOXYL to infants and children who cannot swallow tablets:
    • Crush the tablet.
    • Place the freshly crushed tablet in a small amount (5 mL to 10 mL or 1 teaspoon to 2 teaspoons) of water.
    • Immediately give the medicine by spoon or dropper.
    • Do not store the mixed medicine. Do not give in foods that decrease the absorption of LEVOXYL, such as soybean-based infant formula.
  • Your healthcare provider may change your dose if needed.
  • Certain medicines can interfere with how LEVOXYL is absorbed by your body. Take or give LEVOXYL:
    • at least 4 hours before or after medicines that contain calcium carbonate or iron (ferrous sulfate).
    • at least 4 hours before medicines that contain bile acid sequestrants or ion exchange resins.
Know the medicines that you take. Ask your healthcare provider or pharmacist for a list of these medicines, if you are not sure.
  • Certain foods and drinks including soybean flour, cotton seed meal, walnuts, grapefruit juice and dietary fiber can affect your treatment and dose of LEVOXYL. Talk to your healthcare provider if you eat or drink these foods.
  • Your healthcare provider should do certain blood tests while you are taking LEVOXYL and may change your daily dose of LEVOXYL as needed. You should not stop taking LEVOXYL or change your dose unless your healthcare provider tells you to.
  • It may take weeks before you notice your symptoms getting better. Keep using this medicine even if you feel well.
  • You may have to take medicine for the rest of your life to replace the thyroid hormone your body cannot produce.
  • If you take too much LEVOXYL or overdose, call your healthcare provider or poison control center at 1-800-222-1222, or go to the nearest hospital emergency room right away.

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