Runny nose is the common name for rhinitis, which is a syndrome of inflammation of the nasal mucosa.. a runny nose occurs when the nasal tissues and blood vessels produce excess fluid or mucus that oozes out or in through the back of the throat from the nasal passages. a runny nose can be caused by a cold, the flu, an allergy to things like dust, plant pollen, or animal dander, or in response to irritants like tobacco smoke. Other irritants, such as spicy foods, can also cause a runny nose.. Some people have a chronic runny nose for no apparent reason, a condition called non-allergic rhinitis.. runny nose may or may not be accompanied by nasal congestion.

a runny nose can be annoying and uncomfortable, but it usually goes away on its own. Sometimes a runny nose indicates a more serious problem..

Causes Causes of a runny nose (rhinitis) can be acute sinusitis, bronchiolitis, chickenpox, chronic sinusitis, cluster headaches, fever, colds, overuse of nasal spray, deviated septum, DiGeorg syndrome, drug addiction, dry air, dust mite allergy,.

When to see a doctor A runny nose (or stuffy nose) is usually just annoying, but it can still be a sign of a more serious problem.. Especially serious should be taken to a runny nose in a child.

• runny nose lasts more than 10 days.

• You have a high temperature,.

especially if it lasts more than three days.

• Green nasal discharge and runny nose accompanied by sinus pain or fever. If so, it could be a sign of a bacterial infection..

• You have asthma or emphysema or are taking immunosuppressive drugs.

•After a head injury, you have a persistent clear discharge or blood from your nose.

Call your child's doctor if:.

•Baby is under two months old and has a fever.

• runny nose or accumulation of mucus causes the child to have trouble breathing.

Before you see your doctor, try these simple steps to help relieve your symptoms:.

• If the runny nose is manifested by watery discharge (especially.

if it is accompanied by sneezing and itching and watery eyes), this may be a sign that your symptoms are related to allergies and over-the-counter antihistamines may help.

•To gently remove any discharge from the noses of infants and young children, use a soft suction blower..

To relieve symptoms after excessive use of nasal drops, when mucus accumulates in the back of the throat, the following rules should be followed:.

• Avoid common irritants such as cigarette smoke and sudden changes in temperature.

•Drink plenty of water.

• Moisturize the nasal mucosa.

• Try rinsing your nose with saline.

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