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Levothyroxine

When and How to Take It

Some general considerations for when and how to take levothyroxine include the following:
 
  • The medication comes in tablet and soft gelatin capsule form and is usually taken once daily in the morning.
     
  • It is best to take your dosage on an empty stomach, 30 to 60 minutes before breakfast (if you eat breakfast). This prevents levothyroxine from interacting with food.
     
  • The tablets may be crushed and mixed with one or two teaspoons of water. This mixture must be taken immediately (it should not be stored).
     
  • Your healthcare provider will adjust your levothyroxine dosage based on certain blood tests. Be sure to tell him or her if you have missed any of your doses, as this may affect any dose adjustments.
     
  • Try to take your dose at the same time each day to keep an even level in your blood.
     
  • For the medication to work properly, it must be taken as prescribed. Levothyroxine will not work if you stop taking it.
     

Dosing Information

The dose of levothyroxine your healthcare provider recommends may vary, depending on a number of factors, including:
 
  • Your age
  • How you respond to the drug
  • The results of certain thyroid blood tests
  • Any other medications you are taking
  • Other medical conditions you may have.
     
As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
 
(Click Levothyroxine Dosage for more information.)
 
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