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Synthroid Drug Interactions

Synthroid Interactions Explained

The following sections explain in detail the potentially negative interactions that can occur when Synthroid is combined with any of the drugs listed above.
 
Antacids or Gas-Relieving Medications
Antacids or gas-relieving medications can bind to Synthroid in the digestive tract, preventing it from being absorbed into the body. Make sure to separate Synthroid and antacids or gas-relieving medications by at least four hours.
 
Antidepressants
Combining Synthroid with some antidepressants may change the amount of Synthroid your body needs, and your healthcare provider may need to adjust your Synthroid dosage. Also, taking certain antidepressants with Synthroid may increase the risk of heart problems, such as an irregular heart rhythm (arrhythmia). Be sure to check with your healthcare provider before taking these medications together.
 
Calcium
Calcium can bind to Synthroid in the digestive tract, preventing it from being absorbed into the body. Make sure to separate Synthroid and calcium by at least four hours.
 
Certain Seizure Medications
Taking Synthroid with some seizure medications may change the amount of Synthroid your body needs, and your healthcare provider may need to adjust your Synthroid dosage as a result.
 
Cholestyramine
Cholestyramine can bind to Synthroid in the digestive tract, preventing it from being absorbed into the body. Make sure to separate Synthroid and cholestyramine by at least four hours.
 
Colestipol
Colestipol can bind to Synthroid in the digestive tract, preventing it from being absorbed into the body. Make sure to separate Synthroid and colestipol by at least four hours.
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Synthroid Medication Information

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