Itchiness refers to a physical feeling that often needs scratching as a response.

Physical Sensation

Itchiness often has a specific cause, like an allergy, irritation, or insect bite.

Cause Specific

Itchiness is usually a temporary and situational discomfort.

Temporary Condition

In a figurative sense, 'itchiness' describes a desire or yearning for something different.

Metaphorical Use

Itchiness can express an emotional state of discontent or restlessness.

Emotional State

It suggests an inner push or spontaneous urge rather than a well-thought-out plan.

Urgency and Impulse

 and cause blood vessels in the mucous membranes to swell and leak fluid. In other words, itchiness, sneezing, congestion, and a runny nose. Allergies usually, but not always, show up for the first time during childhood. But why do some people get allergies and others don't?