A flea collar is an essential accessory for pet owners. However, there are other terms for flea collar that can help in finding the right product for your furry friend. Some of the synonyms for flea collar are flea and tick collar, insecticide collar or tick collar, flea prevention collar, flea and tick repellent collar. These terms are interchangeable and refer to the same product that helps eliminate or repel fleas and ticks from your pet's fur. Flea collars work by releasing pesticides slowly to kill pests on the animal's skin. It's necessary to select a flea collar that is appropriate for your pet's size, weight, and age.