Elanco™ Advantus® 37.5mg Chewable Flea Treatment for Large Dog Singles

Overview

Advantus® (imidacloprid) 37.5 mg soft chew for large dogs 23–110 lb is a fast‑acting oral flea treatment that starts killing adult fleas within 1 hour. Each single soft chew provides 24‑hour adult flea knockdown and can be given daily if re‑infestation occurs.

Who It’s For

Dogs and puppies 10 weeks of age and older and weighing 23–110 lb.[1]

Active Ingredient

Imidacloprid 37.5 mg per soft chew.[2]

Key Features & Benefits

• Begins killing adult fleas within 1 hour

> 96% effectiveness against adult fleas within 4 hours >  

• In and out of the dog’s system within 24 hours
• Tasty soft chew with no animal protein

Directions (summary)

• Give one 37.5 mg soft chew by mouth to dogs 23–110 lb
• May be given with or without food
• Do not exceed one dose per day
• If fleas are seen again, you may repeat as often as once daily[2][1]

Safety & Notes

For dogs only. Not for human use. Side effects may include vomiting, decreased appetite or energy, and soft stools. Treat all pets and address the environment for comprehensive flea control.[3][4]

Pack Format

Singles soft chew; also sold in 7‑ct and 30‑ct formats across retailers.[5]