NEW YORK (CBS 2) — Do you seem to always have a runny or stuffy nose? Maybe you chalk it up to a cold you can’t shake or allergies.

But this goes beyond allergies.

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It may actually be a little known condition known as non-allergic rhinitis and it affects millions of people, especially women.

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CBS 2’s Dr. Holly Phillips explains, if left untreated, it can have serious side-effects.

Phillips says because the symptoms of non-allergic rhinitis are similar to allergies or the common cold, patients may go undiagnosed for years. As a result, people suffering from the condition turn to over-the-counter allergy medicines for relief.

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They don’t work, however, because they’re not having an allergic reaction to anything, Phillips reported.