If colloidal silver (and related products, I use WFS ASAP HealthMax 30
in my practice to great success) isn't your cup of tea, there is another option.
Allicin, a component of garlic, has finally been stabilized and concentrated. It is sold as Allimax in the US. It can be used internally and topically, and is extremely safe.
1st MRSA article
2nd MRSA article