These drugs are also documented as serious environmental contaminants that affect aquatic life when dogs get into freshwater ecosystems. Over-the-counter sales of flea and tick products that ...

Sentry has several products that you can apply to your cat or dog’s skin to prevent and ... Your cat can wear the Sentry PurrScriptions flea and tick collar for three months.

Shampoos can be a great first line of defense against fleas and ticks, particularly when a dog has a heavy flea infestation. However, it's important to use one of the best flea and tick treatments ...