What allergy causes a runny nose

It’s hard to completely avoid potential allergens, but you can take steps to reduce exposure to a specific allergen you know or suspect is triggering your allergic rhinitis. This will assist improve your symptoms.

If your condition is mild, you can also assist reduce the symptoms by taking over-the-counter medications, such as non-sedating antihistamines, and by regularly rinsing your nasal passages with a salt water solution to hold your nose free of irritants.

See a GP for advice if you own tried taking these steps and they own not helped.

What allergy causes a runny nose

They may prescribe a stronger medication, such as a nasal spray containing corticosteroids.


When to see a GP

Visit a GP if the symptoms of allergic rhinitis are disrupting your sleep, preventing you carrying out everyday activities, or adversely affecting your performance at work or school.

A diagnosis of allergic rhinitis will generally be based on your symptoms and any possible triggers you may own noticed.

If the cause of your condition is uncertain, you may be referred for allergy testing.

Find out more about diagnosing allergic rhinitis


Symptoms of allergic rhinitis

Allergic rhinitis typically causes cold-like symptoms, such as sneezing, itchiness and a blocked or runny nose.

These symptoms usually start soon after being exposed to an allergen.

Some people only get allergic rhinitis for a few months at a time because they’re sensitive to seasonal allergens, such as tree or grass pollen.

What allergy causes a runny nose

Other people get allergic rhinitis every year round.

Most people with allergic rhinitis own mild symptoms that can be easily and effectively treated.

But for some people symptoms can be severe and persistent, causing sleep problems and interfering with everyday life.

The symptoms of allergic rhinitis occasionally improve with time, but this can take numerous years and it’s unlikely that the condition will vanish completely.


What causes allergic rhinitis

Allergic rhinitis is caused by the immune system reacting to an allergen as if it were harmful.

This results in cells releasing a number of chemicals that cause the inside layer of your nose (the mucous membrane) to become swollen and too much mucus to be produced.

Common allergens that cause allergic rhinitis include pollen (this type of allergic rhinitis is known as hay fever), as well as mould spores, home dust mites, and flakes of skin or droplets of urine or saliva from certain animals.

Find out more about the causes of allergic rhinitis


Further problems

Allergic rhinitis can lead to complications in some cases.

These include:

  1. nasal polyps – abnormal but non-cancerous (benign) sacs of fluid that grow inside the nasal passages and sinuses
  2. sinusitis – an infection caused by nasal inflammation and swelling that prevents mucus draining from the sinuses
  3. middle ear infections – infection of part of the ear located directly behind the eardrum

These problems can often be treated with medication, although surgery is sometimes needed in severe or long-term cases.

Find out more about the complications of allergic rhinitis


Non-allergic rhinitis

Not every cases of rhinitis are caused by an allergic reaction.

Some cases are the result of:

  1. an infection, such as the common cold
  2. oversensitive blood vessels in the nose
  3. overuse of nasal decongestants

This type of rhinitis is known as non-allergic rhinitis.

Sheet final reviewed: 29 April 2019
Next review due: 29 April 2022

The Common Freezing

Also known as: upper respiratory infection (URI)

The common freezing causes a runny nose by increasing the permeability of blood vessels in the nose.

What allergy causes a runny nose

This allows for leakage of fluid (serum) into the nasal passages. Rhinorrhea commonly occurs with the first 2 to 3 days after becoming infected with a common freezing virus. Unfortunately, every year millions of people are plagued with the common cold.

In the United States alone, 21 million school days and 20 million workdays are missed each year due to the common cold. On average, most children are ill between 5 to 7 times each year due to the common cold; however, 10 out of 100 kids may be ill as much as 12 times in a year.

Incidence decreases as you enter adulthood, decreasing to approximately 2 to 3 times each year.

Prevention of the common freezing is hard. The virus can be acquired by direct contact with someone else that has the illness, or can be encountered by inhaling particles in the air from someone infected in your area. Vitamins and herbal supplements love vitamin C, zinc, vitamin E, echinacea, and ginseng off no benefit in preventing the common freezing.

While exercise and handwashing own not been shown to prevent the common freezing, they are closely linked improved health in general.

Common treatments to assist reduce a runny nose in the case of the common freezing include using intranasal ipratropium (Atrovent) or first-generation antihistamines (see below):

  1. chlorpheniramine (found in Chlor-Trimeton)
  2. brompheniramine (found in Dimetapp Freezing & Allergy)
  3. dimenhydrinate (found in Dramamine)
  4. diphenhydramine (found in Benadryl Allergy)

The common freezing is commonly caused by viral infections including:

If your runny nose persists more than 10 days, you may desire to see a physician, as you may own a bacterial infection that can be treated with antibiotics.

A lot of us own been sneezing, coughing, and dealing with congestion, but are those symptoms related to seasonal allergies or the flu?

One thing to hold in mind…allergies typically do not lead to a fever.

The flu season ended a couple of months ago which then started allergy season.

What allergy causes a runny nose

This has caused some people to be confused as to whether or not they own allergies or the flu.

“The symptoms between allergies and a freezing are extremely similar. They will both own sneezing, runny nose, sore throat, pain in the ear, maybe some shortness of breath, and a cough,” said Amistad Community Health Middle internal medicine physician Dr. Jacqueline Phillips.

There are some ways in which you can tell whether you may own allergies or the flu.

“One of the things that will tell us that it’s allergies versus a freezing or bacterial illness is the length of time you own had your symptoms. So, if you always own a freezing, or you always own the flu or always having similar symptoms with no resolution, it is likely that it is probably chronic allergies,” said Phillips.

Allergy symptoms happen when a person’s immune system overreacts and tries to fight off a harmless substance, such as pollen or pet dander.

“The other thing is that if you know you own a food allergy, obviously you need to practice avoidance, and it’s a lit bit more hard if it’s pet allergy or dander allergy because everybody loves their pets, but make certain you frequently clean the areas they are in, and if you can avoid contact, avoid contact,” said Phillips.

Because each allergy has a diverse underlying cause, it is essential that a person receives the correct diagnosis so that they can get the best treatment.

“Allergies can generally be treated with over-the-counter remedies. For instance, you would be capable to go and purchase a nasal steroid such Flonase or Nasonex over the counter, and you can also take oral decongestants such as Claritin or Allegra,” said Phillips.

Allergies might make you miserable, but they typically don’t cause a fever.

What allergy causes a runny nose

If you own itchy, watery eyes, it’s a strong sign that you’re dealing with allergies, not a virus. If your symptoms final more than a week visit your physician.

You can treat colds and flu with plenty of relax and by drinking lots of fluids.

Pain relievers such as aspirin, acetaminophen (Tylenol), or ibuprofen (Advil) can reduce fever and aches.

Symptoms associated with a freezing or flu may include:

• sneezing
• coughing
• runny nose
• congestion
• fever
• stomach pains
• body aches

A fever is the body’s way of trying to increase the temperature to kill off bacteria or viruses.

Because these germs are not present in an allergic reaction, a fever does not occur.

Common allergy triggers include:

• Airborne allergens, such as pollen, animal dander, dust mites and mold
• Certain foods, particularly peanuts, tree nuts, wheat, soy, fish, shellfish, eggs and milk
• Insect stings, such as from a bee or wasp
• Medications, particularly penicillin or penicillin-based antibiotics
• Latex or other substances you touch, which can cause allergic skin reactions

  1. It's significant to know what type of rhinitis is causing your runny nose because that will ultimately determine how you should treat it.
  2. If you own a runny nose, it's probably caused by either a case of allergic or nonallergic rhinitis.
  3. This article was reviewed by Tania Elliott, MD, who specializes in infectious diseases related to allergies and immunology for internal medicine at NYU Langone Health. 
  4. Visit Insider's homepage for more stories.

If you own a runny nose, chances are you're suffering from rhinitis.

Rhinitis is an inflammation of the nasal passages, which often comes with a side of congestion, nasal discharge, sneezing, an irritated throat, cough, and fatigue. 

There are two types of rhinitis: allergic and nonallergic.

What allergy causes a runny nose

Allergic rhinitis is associated with allergies. When you own an allergy, your body releases a chemical called histamine, which triggers the mucous glands in your nose to ramp up production, causing a runny nose. A common form of allergic rhinitis is environmental allergies from irritants such as:

  1. grasses and weeds
  2. tree pollen
  3. mold
  4. dust mites
  5. pet dander

Nonallergic rhinitis doesn't involve histamines. It's basically what's causing your runny nose if allergies aren't the culprit. And that can cover a wide range of triggers including: 

  1. rapid temperature changes
  2. viruses that cause colds and flu
  3. emotions love severe sadness
  4. hormones
  5. irritants such as strong fragrances and smoke

It's significant to know what type of rhinitis is causing your runny nose because that will ultimately determine how you should treat it.


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