The term 'postnasal drip' means chronic secretion of mucus from the rear of the nasal cavity into the nasopharynx
post-nasal drip occurs when excessive mucus, produced by the sinuses
Both the taps on the bathroom sink drip.
Nothing called Perineal postnasal drip. It should be perennial postnasal drip. perennial = lasting or active throughout the whole year postnasal drip = mucopurulent discharge from the posterior...