The dangerous facts:
- Heartworm disease is being recognized as an increasing problem in cats.
- Clinical signs may be confused with other common feline diseases, such as asthma.
- May be difficult and expensive to diagnose.
- Only 1 or 2 heartworms can cause serious or fatal disease in cats!
- No approved treatment exists for affected cats.

Common signs of feline heartworm include:
- Difficulty breathing
- Coughing
- Vomiting
- Sluggishness
- Collapse
- Convulsion
- Diarrhea
- Sudden death

Cats are susceptible to heartworm.
Prevalence of feline heartworm exposure may range from 5% to 33%.
11 - 15% of cats tested are positive for heartworm in Florida.

Indoor cats are at risk, too! It's a common misconception that indoor cats aren't in danger for parasitic infections.
This simply isn't true.
- Fully 25% of infected cats are reported to be indoor cats.

Difficult to diagnose, easy to prevent.

Feline Heartworm