Nowadays the most difficult problem in treatment of bacterial infections is the appearance of resistant bacteria to the antimicrobial agents so that the attention is being drawn to other potential targets. In view of the positive findings of phage therapy, many advantages have been mentioned which utilizes phage therapy over chemotherapy and it seems to be a promising agent to replace the antibiotics. This review focuses on an understanding of phages for the treatment of bacterial infectious diseases as a new alternative treatment of infections caused by multiple antibiotic resistant bacteria. Therefore, utilizing bacteriophage may be accounted as an alternative therapy. It is appropriate time to re-evaluate the potential of phage therapy as an effective bactericidal and a promising agent to control multidrug-resistant bacteria.
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