Bromidrosiphobia is a neurosis

Neurosis

Neurosis is a class of functional mental disorders involving distress but neither delusions nor hallucinations, whereby behavior is not outside socially acceptable norms. It is also known as psychoneurosis or neurotic disorder, and thus those suffering from it are said to be neurotic...

 in which a person is convinced that his/her sweat has a repugnant odor that keeps other people away. The patient is unable to accept any evidence to the contrary. Three-quarters of patients with bromidrosiphobia are male, with an average age of 25. Pimozide may be beneficial. It may be an early symptom of schizophrenia.