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.
However, if you can safely rule these things out, or you donât see any signs of a rash or hives, it may be another problem altogether. 1  Here are some of the other health conditions that can cause itchy skin: 2  Psoriasis. 3  Folliculitis and other skin infections. 4  Hepatitis. 5  Anemia. 6  Pityriasis rosea. 7  Kidney or liver disease. 8  Pregnancy.