Itchy anus or "pruritus ani" is characterised by a strong urge to scratch the skin around the anus. It is a symptom rather than a condition. Many causes of itchy bottom have underlying causes, such as a bacterial infection or a skin condition like eczema. Whether the cause can be identified, symptoms can normally be effectively treated. Here we have a range of products to help including Preparation H, Anusol and Germoloids.