NexGard SPECTRA is a highly palatable beef-flavored chew that kills fleas before they can lay eggs, ticks, and mites while eliminating gastrointestinal worms and preventing heartworm disease, lungworm, and eyeworm infections. NexGard Spectra is a highly convenient, “all-around” solution for dogs and puppies from eight weeks of age.
 
*Not to be given on SICK, DEBILITATED dogs or with signs of lethargy or inappetence.
**For dogs (>6 months old) with regular heartworm preventives. DO NOT give to dogs(>6 months old) if they are not confirmed negative from heartworm.