If you're looking for more ways to support your pet's health, head on over to our full collection of pet healthcare products to find more medicines and treatments to support their wellbeing. From preventing against fleas and ticks to supporting digestion and easing anxiety, we understand that the health and happiness of your pet is of most importance and offer a range of high-quality products to help. How often should you flea your pet? The general advice when it comes to protecting your pet against fleas and ticks is to give them a flea treatment once per month. This will not only eradicate any presence of pests but will prevent them from getting infested in the future.