Arachnophobia is the fear or intense dislike of spiders. It is a specific phobia that can manifest as extreme anxiety or panic when encountering spiders or even thinking about them. Arachnophobia is one of the most common specific phobias, and individuals with this fear may experience symptoms such as sweating, trembling, rapid heartbeat, shortness of breath, and avoidance behavior when faced with spiders or spider-related stimuli.