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.
There are many types of skin rashes. A rash is an outbreak of many red bumps or patches on the body. Many conditions can cause an itchy rash. In adults, several types of skin inflammation, various allergic reactions (contact dermatitis), and sometimes infection with a mite or virus can be the cause of a new rash on the skin.