H2 blockers like famotidine and cimetidine can reduce the effectiveness of antivirals and antifungals by raising stomach pH and interfering with liver enzymes. Learn which drugs are at risk and how to avoid dangerous interactions.
29 January 2026 by Isla Easto
14
1 April 2026
30 October 2025
1 July 2025
23 January 2025
12 December 2025
10 December 2025