Tag: antacid drug interaction

OTC Antacids with Antibiotics: How They Reduce Absorption and Risk Treatment Failure
OTC Antacids with Antibiotics: How They Reduce Absorption and Risk Treatment Failure
Graham Everly November 20, 2025

Taking OTC antacids with antibiotics like tetracycline or ciprofloxacin can cut absorption by up to 90%, leading to treatment failure. Learn how to time them safely and avoid dangerous interactions.