Causes & Health Information
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Some Basics...
- Allergic rhinitis is the medical term for hay fever.
- Hay fever is an allergic reaction of the nose and sinuses to substances in the air. These include pollen, mold, and dust. Hay fever is a type of nasal allergy.
- Many people think that they have hay fever. Seeing a doctor is important if symptoms are more than mild. A doctor can confirm that it really is hay fever.
- Many people also get watery, itchy eyes with hay fever. These are symptoms of eye allergies (allergic conjunctivitis).
- It is interesting to know people do not get fevers from hay fever.
Symptoms
- Clear runny nose with sneezing, sniffing, and itching
- Itchy, red, and watery eyes
- No fever
Types of Hay Fever
There are two types of hay fever.
- Seasonal allergic rhinitis: Hay fever is a term for seasonal allergies due to pollens. People notice that their symptoms are worse during certain seasons of the year. These people most often have an allergy to pollen, grasses, or trees. Symptoms may be worse in the spring, summer, or fall. Some people may have symptoms in all three seasons. Hay fever is not specifically an allergy to hay. People with hay fever do not have fevers.
- Perennial allergic rhinitis: People with this allergy may have symptoms all year. The symptoms may be present all the time or come and go. They often have an allergy to dust mites, mold, mildew, feathers, or animal dander.
Illnesses that Can Be Confused with Hay Fever
There are other illnesses that have nasal symptoms like those of hay fever. These include:
- Viral rhinitis: This is the common cold. Runny or stuffy nose is the main symptom. The nasal discharge may be clear, cloudy, yellow, or green. The person also often has fever, muscle aches, sore throat, or a headache.
- Bacterial and viral sinusitis: A more common term for this is "sinus infection". People may have yellow or green nasal secretions for at least 10 days. They may also have sinus pain and a fever that comes and goes.
- Rhinitis medicamentosa: This is from overuse of over-the-counter decongestant nose drops. It can cause the nose to get even stuffier than it was before. This most often happens after using nose drops for longer than 5 days.
- Occupational exposure: Irritants in the air at work can cause nasal problems.