Doxycycline is an advanced analogue of the tetracycline family of antibiotics with broad-spectrum activity against Gram+ve and Gram-ve bacteria, including penicillinase-producers and anaerobes as well as Chlamydophila spp and Mycoplasma spp.
Indications include skin infections such as pyoderma, and folliculitis; respiratory infections such as tracheobronchitis, bronchitis and pneumonia; urogenital infections such as cystitis and pyelonephritis; otitis externa and otitis media; gastrointestinal tract infections; osteomyelitis and puerperal infections.
Activity has been demonstrated against a wide range of bacterial organisms including Staphylococcus spp, Streptococcus, E. coli, Pasteurella spp, Haemophilus spp, Clostridia spp, Listeria spp, Bacteroides spp, Bordetella spp, Klebsiella spp. and others.