A person with a phobia may panic in response to the presence of the phobic stimulus, involving behaviours like crying, screaming or running away. Children may react differently, e.g. freezing, clinging or having a tantrum.
Phobias are classed as anxiety disorders, involving an unpleasant state of high arousal that prevents relaxation and positive emotion. Anxiety can be long term.
The immediate and extremely unpleasant response experienced when encountering or thinking about a phobic stimulus. It is usually more intense but experienced for shorter periods than anxiety.