For the treatment and metaphylaxis of swine respiratory disease (SRD) associated with Actinobacillus pleuropneumoniae, Pasteurella multocida, Mycoplasma hyopneumoniae, Haemophilus parasuis and Bordetella bronchiseptica sensitive to tulathromycin. The presence of the disease in the herd should be established before metaphylactic treatment. Draxxin should only be used if pigs are expected to develop the disease within 2–3 days.