FAQ

Congestive heart failure (CHF) in dogs is a condition where the heart can't pump enough blood to meet the body's needs, leading to fluid build-up in the lungs, abdomen, or limbs. It's most often caused by mitral valve insufficiency or dilated cardiomyopathy and results in symptoms like coughing, difficulty breathing, and fatigue.

Fleas typically die and begin falling off cats within about 24 hours of applying Frontline Plus.

Fleas may still appear after using Frontline because newly acquired pests from the environment can jump onto your cat, but they will be killed within 24 hours.

Fleas begin dying within 24 hours after applying Frontline Plus, though they may still be visible during this time as they perish.

Fleas seen after using Frontline are typically new pests from the environment and are killed within 24 hours; monthly use is needed to fully break the flea life cycle.

Fleas typically die within 24 hours of applying Frontline Plus for Cats, but may still be seen on the cat temporarily as they are affected by the medication.

Fleas may still be visible after applying Frontline Plus because newly acquired fleas are killed within 24 hours, and continuous monthly use is needed to break the infestation cycle.

Yes, but wait until the treatment site has dried completely—usually within 24 hours—to prevent ingestion or skin contact with the medication.

Yes, Frontline Plus kills existing adult fleas on cats within about 24 hours after application.

Frontline may not work effectively if applied incorrectly, as it must be applied directly to the skin and not the fur to ensure proper absorption and distribution.