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Fleas: why treating your pet isn't enough

By The ProDeratisation team·Published on May 5, 2026·1 min read
Dog scratching on a rug in a living room

Your pet is treated but the fleas keep coming back? That's normal: only a small share of fleas live on the animal. The vast majority — eggs, larvae and cocoons — develop inside your home, out of sight.

The 95% rule

In an infestation, it's estimated that only 5% of fleas (the adults) are on the animal. The remaining 95% — eggs, larvae, pupae — hide in the environment:

  • rugs and carpets;
  • gaps in the parquet;
  • pets' baskets and cushions;
  • sofas and the bottom of curtains.

Vacuuming a rug to remove flea larvae
Vacuuming a rug to remove flea larvae

Treat the animal AND the home

To beat fleas, you must act on both fronts at the same time:

  1. Treat the animal with a suitable veterinary product.
  2. Vacuum intensively throughout the home, every day, and throw the bag away.
  3. Wash baskets, cushions and textiles at high temperature.
  4. Treat the environment (floors, textiles) with a product that acts on larvae.

As long as the environment isn't treated, cocoons will keep releasing new fleas for weeks.

When to call a professional

If the infestation persists despite your efforts, a professional treatment of the home eliminates every stage of the cycle, including the resistant cocoons. Contact us for a home treatment. As a supplement, home sprays and foggers help treat large areas.

Got a pest problem?

Our certified technicians are available 7 days a week. Free quote within 24h.