About fusidic acida bacteriostatic steroid antibiotic, systemic antibacterial, anti-infective.mechanism of action of fusidic acidfusidic acid is a bactericidal or bacteriostatic drug depending upon the concentration. it inhibits the transfer of aminoacid from aminoacyl srna to the protein. this will leads to inhibition of protein synthesis in the bacteria and prevent the growth of microbes.ssindications for fusidic acidsprimary and secondary skin infections s1. impetigo s2. erythrasma s3. folliculitis s4. sycosis barbae s5. hidradenitis