Many pet owners are hesitant to purchase store-bought flea remedies for their dogs or cats as there have been many reports on these flea remedies poisoning pets. There are certain types of flea meds that are dangerous for cats but safe for dogs. The trouble for many pet owners is that cats lick themselves clean several times a day, while dogs generally aren’t as dedicated to this practice. It’s a lot harder treating a cat for fleas, as anything you apply to their fur can quickly be licked off. There are safer flea medications you can purchase from a vet.