Heartgard Plus Chewables Heartworm, Roundworm, and Hookworm Prevention for Dogs

Regular monthly prevention to stop the growth of larvae in time!

**Canine heartworm** is a nematode transmitted by mosquito bites and causes heartworm disease in dogs. The adult worms are white and thread-like, living in the dog's heart, lungs, and related blood vessels, usually surviving in the dog for about 5 to 7 years. This parasite damages the heart and lung tissues, affects blood circulation, and thus damages other organs.

**Prevention Tips:**
- **Consultation before first medication:**
  - Before starting a heartworm prevention plan, consult a veterinarian for screening. The vet will discuss the dog's past prevention history with the owner.
  - If the dog has not been regularly receiving heartworm prevention or has never used related medication, it is recommended to screen before prescribing.

- **For dogs under seven months old:**
  - Can start or continue to use preventive medication monthly. Heartworm screening is conducted six months after the first medication.

- **For dogs over seven months old:**
  - Before the first medication, screening for heartworm antigen and microfilariae should be done, so the veterinarian can develop a prevention plan based on the results. Regular monthly medication to maintain prevention effectiveness.

- **The importance of regular screening:**
  - Screen annually to ensure early diagnosis and timely treatment of infections, reducing the damage of heartworms to the heart and lungs.

**Product advantages:**
- Highly effective heartworm prevention
- Convenient and tasty chewable tablets, easy to administer
- Clean Smart Shield application, simplifying the usage process
- Delicious beef flavor, most dogs will like

**Product sizes:**
- Blue: Suitable for dogs up to 11 kg (25 lbs)
- Green: Suitable for dogs 11-22 kg (25-50 lbs)
- Brown: Suitable for dogs 23-45 kg (50-110 lbs)

**Usage instructions:**
- Administer once a month, continue for a year. Avoid letting pets swallow directly, should be chewed first.
- It is recommended to break the chewable into smaller pieces to prevent being swallowed directly.

**Dosage based on dog weight:**
- Dogs 25 lbs: 68mcg (blue)
- Dogs 26-50 lbs: 136mcg (green)
- Dogs 51-100 lbs: 272mcg (brown)
- Over 100 lbs: Administer a combination of tablets as needed.