For this reason, symptoms associated with anal itching can be a source of embarrassment. There are many causes for pruritus ani, which can be worsened by certain factors. Moisture, irritation from clothing, and pressure from sitting can make symptoms of anal itching worse. The most popular home remedies for anal itching include the application of petroleum jelly, using damp toilet paper, & avoiding food allergens. Avoid Food Allergens If you are suffering from anal itching, you should avoid soda, liquor, beer, and beverages rich in vitamin C.