Is it safe to consume dairy products while taking amoxicillin trihydrate?

Safe but avoid. : You should avoid dairy for three hours for maximum benefit. Grapefruit juice and dietary supplements may also dampen the absorption of the antibiotic. When taking oral antibiotics this may not be critical if the infection is mild, enough will get through to cure. The unreliability of absorption explains why intravenous antibiotics are given for severe infections.