• PetArmor Plus Flea & Tick Topical Prevention for Large Dogs kills fleas, flea eggs, flea larvae, ticks, and chewing lice for up to 30 days after application.
  
• This vet-quality formula begins killing fleas & ticks within 24 hours.
  
• PetArmor Plus works by breaking the flea cycle, and killing flea eggs and larvae for up to 4 weeks.
  
• Waterproof topical applications.
• Flea and tick prevention for dogs protects your furry family member from brown dog ticks, American dog ticks, lone star ticks, and deer ticks (which may transmit Lyme disease).
  
• PetArmor helps you confidently provide at-home pet care for your furry family members.
  
• For best results, apply flea & tick treatment for dogs directly to dry skin on your dog's back-between the shoulder blades-on a monthly basis.
  
• Have A Year-Round Plan. Keep your pet protected with a routine 30-day schedule.