Norak-20 (Liquid) is a potent broad spectrum bactericidal antibiotic belonging to fluoroquinolone group. It functions by inhibiting DNA gyrase, a type II topoisomerase, and topoisomerase IV, enzymes necessary to separate bacterial DNA, thereby inhibiting cell division. It does not bind to DNA gyrase but does bind to the substrate DNA. Indications: Norak-20 (Liquid) significantly covers all types of bacteria such as gram-negative and gram positive aerobes like Campylobacter, E. coli, Haemophilus, Pasteurella, Salmonella, and Mycoplasma spp. It is indicated for the diseases of respiratory, urinary and alimentary tract that are of bacterial and mycoplasmal origin, e.g. Pasteurellosis, CRD, Fowl cholera, Colibacillosis, Colisepticemia, Salmonellosis, Staphylococcal and Streptococcal infections. Dosage & Administration: Poultry: 1 ml Norak-20 liquid per 2-4 litres of drinking water for 3-5 days Precautions: Withdrawal period: Meat: 4 days Keep it below 25?C in cool and dark place. Keep it out of reach of children. Protect from direct sun light. FOR VETERINARY USE ONLY