<unk>  is a very common symptom. A conservative estimate of prevalence is about 20% in the general population, with increased prevalences in females (up to 30%) and the elderly (up to 50%). Estimates of the prevalence of persistent dry mouth vary between 10 and 50%.
Xerostomia
Nosophobia
Dysphagia
Heat intolerance
Neophobia
Gastroparesis
Phonophobia
Thermophobia