Bayer Animal Health Advantus, Large Dogs 23 110 lbs, Soft Chew Flea Treatment, Savory Meat Flavored, Same As Vet, 30 daily doses, White Green 85274422 White Scarlet Dark Silver Metallic toward the heel toward the heel Sparthos medical brace incorporates adjustable lumbar pad to provide extra compression for your lower back soft chew formula can be given straight from your hand Available without a prescription Comes in a 7 count for treatment and a value 30 count for ongoing oral flea treatment users Formula for large dogs safe for dogs as small as 22 These flavored chews start killing fleas within 1 hour with just a single dose