![]() Sinus tissue can also swell, causing pain and headache. Mucus can drip down the back of the throat (postnasal drip) as well. ![]() ![]() The nose may also make extra mucus, which can plug the nasal passages or drip out of the nose. The nose may feel stuffed up, sometimes making it difficult to breathe. Common nasal allergy symptomsĪllergies can cause nasal tissue to swell which makes the air passages smaller. Related: How much do you know about allergies? Take this quiz to find out. Allergies cause itching of the nose and eyes along with other nasal symptoms, while colds last about one week and have less itching of the eyes and nose. Allergies occur at the same time of year and last as long as the allergen is in the air (about 2-3 weeks). There are more than a hundred kinds of cold viruses and each tends to become widespread at certain times of the year, which is why you may mistake a cold for a seasonal allergy. Sometimes it can be hard to tell the difference between allergies and a common cold. The cells of your body react to these allergens by releasing a chemical called histamine. What is an allergic reaction?Īn allergy is a reaction to a substance called an allergen. This mucus may begin to flow from the front of the nose as well as the back, sometimes causing postnasal drip. When the nose becomes too irritated, it may produce mucus that becomes thick and pale yellow. Mucus usually drains down the back of your throat, but you aren’t aware of this most of the time because it is a small amount. It helps to keep dust, debris and allergens out of the lungs. The nose produces a fluid called mucus which is normally thin and clear. Other health problems, such as asthma, often occur along with allergies as well. Or they may be perennial, which means they cause symptoms all year long. They may be seasonal which means they cause symptoms only at certain times of the year. Nasal allergies (also called allergic rhinitis, which means “inflammation of the nose”) are a common health problem. For many people, spring is their favorite season, but for those with nasal allergies, it's just the start of itchy, dry eyes, and a runny nose. The days are longer, the air is warmer and the flowers are blooming.
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