Dysosmia

Olfactory dysfunction or Dysosmie is the generic term for various disorders of olfactory perception. Olfactory disorders with damage higher processing centers are referred to as central Dysosmie.

Quantitative smell disorders

• Anosmia, the complete loss of olfaction
• Hyposmia, a reduced sense of smell
• Hyperosmia, a hypersensitivity to smell stimuli

Qualitative smell disorders

• Parosmia, a change in the perception of odors
• Phantosmie, a perception not existing odors
• Geruchsagnosie (or generally agnosia ), odors can not be assigned
• Heterosmie, odors can not be distinguished
• Kakosmie, pleasant odors are perceived as unpleasant
• Euosmie, unpleasant odors are perceived as pleasant
• Pseudoosmie under affects odor is reinterpreted in another

• Disease in neurology