How to destroy fleas on a dog? - briefly
Effective elimination requires a veterinarian‑prescribed «oral or topical insecticide» and a wash with a flea‑killing shampoo. Afterwards, clean bedding, carpet, and the home environment with an insect‑growth‑regulator spray.
How to destroy fleas on a dog? - in detail
Fleas on a canine host require an integrated approach that combines immediate eradication, environmental sanitation, and ongoing prevention.
The initial step is to confirm the presence of adult fleas, larvae, or eggs by inspecting the coat and skin. Use a fine-toothed flea comb, moving from the neck to the tail, and collect any insects in a bowl of soapy water for identification.
After confirmation, apply a veterinarian‑approved topical adulticide to the skin at the base of the neck. Products containing fipronil, imidacloprid, or selamectin act within hours, killing existing fleas and preventing new ones from maturing. Follow the label’s dosage based on the animal’s weight; repeat the application at the recommended interval, typically every four weeks.
Oral systemic medications provide an alternative or adjunct. Isoxazoline class drugs (e.g., fluralaner, afoxolaner) achieve rapid kill rates and maintain efficacy for up to twelve weeks. Administer the dose with food, ensuring the animal swallows the entire tablet.
Environmental control eliminates immature stages that reside off the host. Perform the following actions:
- Wash all bedding, blankets, and removable fabrics in hot water (≥ 60 °C) and dry on high heat.
- Vacuum carpets, upholstery, and cracks daily for two weeks; discard the vacuum bag or empty the canister into a sealed bag.
- Apply a household insect growth regulator (IGR) spray containing methoprene or pyriproxyfen to flooring, baseboards, and pet areas; follow product safety instructions.
- Use a fogger or aerosol labeled for flea control in severe infestations, ensuring the space is vacated for the required exposure period.
Maintain a strict treatment schedule. Re‑treat the animal at the interval specified by the chosen product, and repeat environmental measures for at least three weeks to interrupt the flea life cycle.
Preventive measures include monthly topical or oral preventatives, regular grooming with a flea comb, and limiting the dog’s exposure to infested environments. Consistent application of these strategies prevents re‑infestation and protects the animal’s health.