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.
Causes and Symptoms of Rashes. Skin Rashes are mostly caused by conditions like Eczema, Psoriasis, Scabies, Insect Bites, Rosacea, Impetigo, Ringworm, Lyme disease, Chicken Pox, Measles and several other types of diseases and infections.