Dog flea and tick collars are effective preventive measures to fight an infestation of common pests. It is a great tool, especially for dogs who loved spending time outdoors. It is not the best form of protection on its own, but it will benefit your pet better if used in conjunction with other products. Likewise, the collars might work best on some dogs, but not in others.
Additionally, flea collars work as a means of prevention of an infestation. If you are looking for a cure for an existing outbreak, it may not give you the best results. You should first talk to your veterinarian on actions to take to get rid of fleas and ticks on your pet. Afterward, you can use these collars to prevent and protect your canine buddies from getting any parasitic pests.
And lastly, these collars remain useful only if your pet does not develop an adverse reaction to it. Some dogs have allergic bursts when the collars are used, so best to monitor how it works for your pets and make sure that they are not feeling lethargic or having any reactions to it.