Skip to main content

Synthroid Interactions

There are 239 drugs known to interact with Synthroid (levothyroxine), along with 5 disease interactions, and 3 alcohol/food interactions. Of the total drug interactions, 219 are moderate, and 20 are minor.

Does Synthroid interact with my other drugs?

Enter medications to view a detailed interaction report using our Drug Interaction Checker.

Most frequently checked interactions

View interaction reports for Synthroid (levothyroxine) and the medicines listed below.

View all

Synthroid alcohol/food interactions

There are 3 alcohol/food interactions with Synthroid (levothyroxine).

Synthroid disease interactions

There are 5 disease interactions with Synthroid (levothyroxine) which include:

Report options

Loading...
QR code containing a link to this page

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer