Deals with pyodermas—all the skin diseases caused by pyogenic organisms, namely Staphylococcus aureus, Streptococcus pyogenes, Pseudomonas aeruginosa, E. coli, Proteus vulgaris and others. The diseases include: impetigo contagiosa, ecthyma, erysipelas, cellulitis, carbuncle, acute intertrigo, acute paronychia, boils, folliculitis and infectious eczematous dermatitis. The description also includes criteria whether to use topical drugs only or combine them with the oral antibacterial agents. It also includes information about the predisposing factors and how to deal with them.