Drinking Coffee Might Weaken the Effect of Antibiotics

Drinking Coffee Might Weaken the Effect of Antibiotics

Researchers discovered that caffeine can trigger genetic changes in E. coli, reducing how the bacteria absorb certain antibiotics. Credit: Phil Shirley / CC BY-NC-ND 2.0 A new study suggests that drinking coffee and other caffeine-containing foods may weaken the effectiveness of certain antibiotics. The research, led by Professor Ana Rita Brochado at the Universities of Tübingen and Würzburg, highlights how everyday dietary habits can subtly aff…

Caffeine can weaken effectiveness of certain antibiotics

23.07.2025 - Ingredients of our daily diet - including caffeine - can influence the resistance of bacteria to antibiotics. This has been shown in a new study by a team of researchers at the Universities of and Würzburg led by Professor Ana Rita Brochado.