Best Flea and Tick Prevention for Dogs and Cats of 2025: Top 6 Treatments Compared
Fleas and ticks are more than a summer annoyance. A single flea can lay 50 eggs a day. Ticks carry Lyme disease, ehrlichiosis, and anaplasmosis. If you live anywhere with grass, woods, or neighbor dogs, your pet is going to encounter them at some point. The question is whether you have a plan before that happens. We tested 6 flea and tick prevention products across three main categories: collars, topical spot-on treatments, and oral medications. We looked at how fast they kill existing infestations, how long protection lasts, how well they work in areas with heavy pest pressure, and — most importantly — how safe they are for different pets, including cats in multi-pet households where dogs might be on different products. ...