Erotomania is seen in:
Erotomania (Delusions of Love) is usually seen in schizophrenia and delusional disorder. Patients with erotomania have a false belief that some one is in love with them. It is also known as de Clerambault syndrome/Fantasy lover syndrome. For example, a rickshaw puller claimed that Katrina Kaif is in love with him though he admitted that he has never met her.
Schizophrenia
Mania
Neurosis
Obsessive compulsive disorder
Basics of Psychiatry