Airborne allergies, such as pollen, indoor molds, or dust mites, can cause chronic low-grade throat inflammation. “Allergies are a very common cause of postnasal drip which can lead to throat pain,” Dr. Abramowitz says. To start, try taking a non-drowsy over-the-counter allergy medication containing cetirizine hydrochloride, such as Zyrtec or Claritin. Even if that seems to help, “it’s a good idea to get your allergies checked so you know what you’re dealing with,” Dr. Abramowitz says.
To reduce the tickle in your throat, try an astringent gargle -- such as tea that contains tannin -- to tighten the membranes. Or use a thick, viscous gargle made with honey or honey and apple cider vinegar. Seep one tablespoon of raspberry leaves or lemon juice in two cups of hot water; mix with one teaspoon of honey. Let the mixture cool to room temperature before gargling.
You put a salt and warm water mixture in something that looks like a little teapot. Then pour it through one nostril and let it drain out the other. You have to practice a little, but once you get the hang of it, it can ease allergy or cold symptoms and may even help you get rid of a cold quicker. Just make sure you use distilled or cooled boiled water and keep your neti pot clean. 
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