Intestinal worms are a common problem for dogs, and regular flea and worming treatments are essential for maintaining your pet's health. Intestinal worms can be spread through contact with contaminated soil, or through the ingestion of infected fleas, and can cause a range of health issues for your pet. Symptoms of intestinal worms in dogs can include weight loss, vomiting, diarrhoea, lethargy and a dull coat. If left untreated, intestinal worms can cause serious health problems for your pet. To protect your pet from intestinal worms, regular flea and worming treatments are recommended. A variety of products are available to help protect your dog from intestinal worms, including spot-on treatments, tablets, and sprays. Speak to your vet about the best treatment for your pet.