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City Guides: Fleas Across Spain

The cat flea (Ctenocephalides felis) is responsible for over 95% of flea infestations in Spain, on both dogs and cats. Spain's warm climate allows year-round breeding indoors. Fleas can transmit tapeworms and trigger flea allergy dermatitis in pets — environmental treatment is essential to break the lifecycle.

Risk level, season window and prevention priorities vary with local climate. Pick your city below for a local guide, or start with the complete flea guide for Spain.

Peak activity months

JanFebMarAprMayJunJulAugSepOctNovDec
Season: Year-round indoors (peaks May–October)

Castilla-La Mancha