Do allergy and post-nasal drip bother the voice?
Allergies and post-nasal drip alter the viscosity (thickness) of mucous secretions, the patency of nasal airways, and have other effects that impair voice use. Many of the medicines commonly used to treat allergies (such as antihistamines) have undesirable effects on the voice. When allergies are severe enough to cause persistent throat clearing, hoarseness and other voice complaints, a comprehensive allergy evaluation and treatment by an allergy specialist is advisable. Post-nasal drip, the sensation of excessive secretions, may or may not be caused by allergy or sinus disease. Contrary to popular opinion, the condition usually involves secretions which are too thick, rather than too abundant. If post-nasal drip is not caused by allergy, it is usually managed best through hydration, and mucolytic agents such as those discussed below in the section on drugs for voice dysfunction. Reflux laryngitis can cause symptoms very similar to post-nasal drip, and it should always be considered in
