Also known as Postnasal Drip
Post-nasal drip (PND, also termed upper airway cough syndrome, UACS, or post nasal drip syndrome, PNDS), occurs when excessive mucus is produced by the nasal mucosa. The excess mucus accumulates in the throat or back of the nose. It is caused by rhinitis, sinusitis, gastroesophageal reflux disease (GERD), or by a disorder of swallowing (such as an esophageal motility disorder). It is frequently caused by an allergy, which may be seasonal or persistent throughout the year.Source: Wikipedia
The most common causes of drainage in throat are asthma, common cold, and chronic obstructive pulmonary disease (copd). Other possible causes, such as coronary atherosclerosis, are more rare.
Within all the people who go to their doctor with drainage in throat, 51% report having cough, 42% report having shortness of breath, and 30% report having nasal congestion.
Patients with drainage in throat often receive plain x-ray, glucose measurement, electrocardiogram, electrolytes panel, x-ray computed tomography, cardiac enzymes measurement, cardiac monitoring and nebulizer therapy .
The most commonly prescribed drugs for patients with drainage in throat include budesonide, budesonide nasal product, guaifenesin / pseudoephedrine, neostigmine, acetaminophen / phenyltoloxamine / salicylamide, caffeine, brompheniramine (e.n.t.), alclometasone topical, iodine (i-deal), chlorpheniramine (c.p.m.), colloidal oatmeal topical, ceftazidime and nitrous oxide .
Groups of people at highest risk for drainage in throat include age 1-4 years age < 1 years.