Pronunciation: inâ²di-kÄâ²shÅ­n. Definition: The basis for initiation of a treatment for a disease or of a diagnostic test; may be furnished by a knowledge of the cause (causal indication), by the symptoms present (symptomatic indication), or by the nature of the disease (specific indication).
Anyhow, here is a list of some of the causes of itchy skin with no rash: 1  Dry skin. 2  Dry skin can be caused by cold weather and lack of moisturizing. 3  Scabies infection. 4  Poor blood circulation. 5  Iron deficiency. 6  Pregnancy. 7  Obstetric Cholestasis in pregnant women.
Scabies is a parasite that can cause an Itchy Skin Rash and the redness may not appear for several weeks. When you look at pictures of scabies, the rash can look similar to other rashes such as eczema or chicken pox. People scratch their skin but donât notice a rash initially.