Drug interactions article library

Joe Graedon - February 23, 2025

Potassium Interaction with Blood Pressure Pills: A Deadly Mix

Joe Graedon - February 17, 2025

Beware Coffee and Cipro and Other Drug Interactions!

Joe Graedon - March 24, 2025 - 13 comments

Purple Peril? Grape Juice Interaction Differs from Grapefruit Juice

The story on grapefruit juice and medicines can be confusing. The interaction is fairly long-lasting, but only certain drugs interact with grapefruit.

Terry Graedon - January 27, 2025

Should You Be Taking Vitamin Supplements?

Joe Graedon - January 23, 2025

Antidepressant Reacts Badly With Cold Medicine: Interaction Can Be Deadly!

Joe Graedon - November 25, 2024

Cough Remedy Plus Antidepressant Spark Scary Serotonin Syndrome!

Joe Graedon - November 20, 2024

Beware Mixing Xarelto or Eliquis and OTC Pain Relievers (NSAIDs)

Dennis Miller, RPh - October 31, 2024

Validating Your Suspicions About Pills—You’re Not Alone!

Terry Graedon - October 21, 2024

Taking Synthroid in the Middle of the Night

One reader takes thyroid medicine in the middle of the night. That avoids any problem of potential interactions with coffee or tea.

Terry Graedon - September 9, 2024

Will Soy Interfere with Thyroid?

Could consuming soy interfere with thyroid medication? For people with adequate iodine, it doesn't seem to be a problem.

Drug Interactions