Haemophilus somnus Disease Overview This is a respiratory disease in cattle and can lead to infections in other organs. Merck Animal Health Solutions For Haemophilus somnus NUFLOR® (florfenicol) INJECTABLE SOLUTION Learn More RESFLOR GOLD® (florfenicol and flunixin meglumine) Learn More BOVILIS® VISION® 7 SOMNUS WITH SPUR®* Learn More BOVILIS® VISION® 8 SOMNUS WITH SPUR®* Learn More Clinical Signs Fever Severe depression Weakness Blindness Coma