Allergies are caused by substances called allergens and it is one of the common health problems. There are two types of allergic symptoms, one that is caused during particular season which is seasonal and the other that is caused all year long.

The most common allergens include,

• Air-borne agents (from ragweed, grass and trees)
• Furs and feathers from animals
• Dust mites
• Pests
• Certain foods
• Mold

Allergens are always not the same and not harmful for everyone but when a particular person has allergy the body thinks these allergens are harmful and create antibodies that creates the allergic reaction in the host body.

Nasal allergies – Causes, Signs and Treatment:

Causes:

When the body attacks the allergens with particular antibodies that are attached to mast cells this releases histamine and few other chemicals which thereby irritate the nasal tissue causing Nasal allergy symptoms in the particular individual. This may also lead to other health issues like asthma.

Signs:

Since the allergy affects the nasal tissue it causes physical changes like swelling of the tissue that leads to nose blockage or itchy nose. In some cases fluid discharges may occur from the nose or even down the back of the throat. This signs may occur in case of asthma and sinus problems where it is also related to the nasal allergy symptoms.

The most common symptoms include,

• Nasal congestion
• Watery discharge from the nose
• Postnasal drip or dripping at the back of the throat
• Sneezing and coughing or sore throat
• Inflammation in the nose
• Swelling of eyes, redness and watery eyes
• Itchiness of throat, eyes ,nose and even ears
• Ear congestion
• Head ache
• Sinus pain and swelling