AMD FOAM 5cmx5cm 55522AMDX 5cmx5cm A better wound environment leads to better patient outcomes. Kendall? AMD antimicrobial foam dressings provide an ideal healing environment by simultaneously managing moisture and bacteria in the dressing. As the foam dressing absorbs exudate, Polyhexamethylene Biguanide (PHMB) ? a powerful yet safe antiseptic ? targets and kills bacteria on contact.