1 Irritation and allergic reactions. 2  Wool, chemicals, soaps and other substances can irritate the skin and cause itching. 3  Sometimes the substance, such as poison ivy or cosmetics, causes an allergic reaction.auses. Possible causes of itchy skin include: 1  Dry skin. 2  If you don't see a crop of bright, red bumps or some other dramatic change in the itchy area, dry skin (xerosis) is a likely cause.
Make sure to wash your hands thoroughly with soap, especially after using the toilet [source: Kids Health ]. Your doctor can prescribe medication to fight pinworms, or you can try getting rid of them naturally, with one of the remedies listed below. 1  Refrain from eating sugar.2  Pinworms thrive on sugar and refined carbohydrates.ake sure to wash your hands thoroughly with soap, especially after using the toilet [source: Kids Health ]. Your doctor can prescribe medication to fight pinworms, or you can try getting rid of them naturally, with one of the remedies listed below. 1  Refrain from eating sugar.
Pinworms are spread when an infected person, most often a child, has scratched his/her bare anal area and the eggs get under his/her fingernails. Pinworms can then be spread in the following ways: 1  By an infected child not washing hands after using the bathroom. 2  If the child then touches playmates or toys, he/she may pass on the eggs. 3  Pinworm eggs can also be transferred to the fingers from clothing or bedding, and then spread around the home.