Can I Take Levothyroxine And Benadryl At The Same Time?
Can I Take Levothyroxine And Benadryl At The Same Time? Can I take levothyroxine and Benadryl at the same time? No interactions were found between Benadryl and levothyroxine. Can you take antihistamine with levothyroxine? Interactions between your drugs No interactions were found between levothyroxine and Zyrtec. However, this does not necessarily mean no interactions exist.