Wash in the morning. Because pinworms lay their eggs at night, washing the anal area in the morning can help reduce the number of  eggs on your body. Showering may help avoid possible recontamination in bath water. Change underwear and bed linen daily. This helps remove eggs. Launder in hot water. Wash bedsheets, nightclothes, underwear, washcloths and towels in hot water to help kill  eggs. Dry on high heat. Don't scratch. Avoid scratching the anal area Wash your hands. To reduce your risk of getting or spreading an infection, wash your hands thoroughly after having a bowel movement or changing a diaper and before eating...fallow above with specific treatment prescribed by your doctors