Cryptosporidiosis

Cryptosporidiosis is an infection caused by microscopic parasites that live in the intestinal tract. These organisms can disrupt the normal absorption of nutrients and water, leading to diarrhoea that may be watery, persistent, or intermittent. The condition can affect dogs and cats of any age, though young animals and those with weakened immune systems tend to show more pronounced signs. Owners often notice changes in stool consistency or frequency, sometimes accompanied by weight loss or a generally unthrifty appearance despite normal appetite. In some cases, animals carry the parasite without showing obvious signs. The infection can occur alongside other intestinal conditions, which may complicate the picture. This page explores the patterns that may prompt investigation for cryptosporidiosis, the biological mechanisms at work, the diagnostic approaches used to identify the parasite, and the range of management strategies that exist. Each section provides context rather than instruction, helping you understand what may be happening and what conversations may follow.