Most of the time, figuring out the reason for the itch is the most important information to treat and stop the itch.
Atopic eczema is usually the cause of the arms and legs itch. Other reasons for arm and leg itch are due to sun damage and nerve condition. Reasons for hands and feet itch are usually due to eczema, contact dermatitis, scabies and ringworm. Itching of the trunk is normally caused by psoriasis, scabies infection, eczema and folliculitis. When itching occurs on the scalp, the common cause is usually psoriasis, seborrhea dermatitis which is also called dandruff and head lice.
When eyelids itch, it is often caused by contact dermatitis, eczema, and hay fever. Nasal cavities has only one cause for itching, it is hay fever. Itching sometimes occur inside the ear canal usually caused by eczema, hay fever and swimmer’s ears. Intestinal worms are usually the cause of anus itches.