Q: Can Vancomycin be given as inhaler?

Answer: Yes

Inhaled vancomycin can be given via nebulizer, for treatment of various infections of the upper and lower respiratory tract. 

Reference:

Maiz L, Canton R, Mir N, et al. Aerosolized vancomycin for the treatment of methicillin-resistant Staphylococcus aureus infection in cystic fibrosis. Pediatr Pulmonol 1998; 26: 287-289