The diagnosis is clinical. It is often difficult to determine if the specific phobia of<unk>  should be the primary diagnosis, or if it is a symptom of a generalized anxiety disorder or another anxiety disorder. Classification<unk>  is a specific phobia as classified in the DSM-5.
Hodophobia
Major depressive disorder
Trypophobia
Post-traumatic stress disorder
Thalassophobia
Separation anxiety disorder
Mysophobia
Neophobia