All are associated with decreased sense of smell except?
Gullain barre syndrome does not present with anosmia Non-motor symptoms of Parkinsonism are constipation, anosmia, and REM behavior sleep disorder. Kallmann syndrome presents with anosmia due to olfactory bulb agenesis/ hypoplasia. HIV infection can also affect olfactory bulbs leading to anosmia
Parkinsonism
Kallmann Syndrome
Gullain barre syndrome
HIV infection
Parkinsonism and other movement disorders