Written by Dr. Teresha Jayawardena MBChB MRCGP MSc DRCOG, GMC Registered Doctor
Last reviewed: 12-06-2026
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A nose that is runny or blocked, sneezing, and postnasal drip are typically caused by hay fever; however, these symptoms aren't necessarily caused by an allergy. Non-allergic rhinitis is a condition that causes the nose to become sensitive and inflamed, without any trigger that is allergic being involved.
Contrary to hay fever and non-allergic rhinitis, non-allergic rhinitis is caused by dust mites or other allergens. However, the symptoms may be caused by factors such as the change in temperature, strong odors or smoke, spicy food, or fluctuations in humidity.
A lot of people suffering from non-allergic rhinitis think they have allergic rhinitis because their symptoms may be similar. But treatment options that are effective for allergies, like antihistamines, might not offer the same degree of relief.
Being aware of the differences between these ailments is an essential first step to determining the best method to manage symptoms.
Non-allergic rhinitis is a continual inflammation and irritation in the nasal membrane by triggers that are not allergic, rather than an immune reaction to allergens. The most frequent kind is vasomotor, which is when veins and nerves in the nasal lining become extremely sensitive to triggers.
The nose naturally responds to environmental changes by altering blood flow and releasing mucus. If someone suffers from non-allergic rhinitis, this process may become exaggerated, leading to symptoms like congestion and a runny nose, as well as coughing.
In contrast to allergic rhinitis, non-allergic rhinitis doesn't involve the immune system in producing IgE antibodies to allergens. The result is that the tests for allergy are typically negative, and the identification of triggers is usually dependent on the pattern of symptoms and medical evaluation.
People with non-allergic rhinitis can experience symptoms at any age and can be present throughout the year, not just during certain pollen seasons.
While non-allergic rhinitis and fever may cause similar symptoms in the nose, they occur for different reasons. Hay fever is triggered by an allergy, and non-allergic rhinitis is triggered when the nasal passages become more sensitive to triggers that are not allergic.
One of the most obvious signs is the itching. People suffering from hayfever often suffer from irritation to the nose, eyes, or throat. Non-allergic nasal congestion is typically caused by a runny nose or sneezing but without any noticeable itching.
Certain people may be suffering from both conditions at the same time, which is known as mixed rhinitis. In this case, allergens that are allergic as well as non-allergic triggers cause symptoms.
Non-allergic rhinitis isn't a particular disorder. Different types of it can manifest in response to what triggers the nose reaction.
A commonly encountered form of rhinitis is non-allergic. Vasomotor rhinitis, also known as rhinitis. It occurs when the blood vessels within the nose are overly sensitive.
Common triggers for this include:
The signs typically are a blocked nose or watery discharge from the nose. It could change depending on the triggers.
NARES is a type of non-allergic rhinitis in which eosinophils (a kind of white blood cell involved with inflammation) are located in the nasal liner.
NARES sufferers might have symptoms that are similar to those of allergic rhinitis. However, tests for allergy do not reveal an allergen that triggers typical symptoms.
It could react differently to treatment with other types of non-allergic rhinitis. An evaluation by a doctor can be beneficial.
The nose is more swollen after repeated or extended use of decongestant nasal sprays.
The sprays temporarily reduce swelling of the blood vessels that line the nasal passages. But using these sprays longer than suggested could cause the sinus passageways to depend upon the spray, which can lead to more congestion as the spray is gone.
This causes a cycle in which the individual feels that they have to spray it repeatedly in order to breathe normally.
Certain medicines may cause nasal irritation by altering the blood vessels and nerve system regulation in the nose.
If you experience the presence of persistent congestion or a runny nose following a change in medication, consult your GP prior to making any adjustments. They can determine whether the medication you are taking is contributing to the symptoms.
It is usually associated with spicy food, but it can also occur with other foods. Gustatory rhinitis can cause a runny nose after eating or during a meal. The reaction is triggered by stimulation of the nerves and an increase in nasal secretions, not an allergy.
Changes in hormones can impact the nasal lining and cause an increase in sensitivity. Many people experience nasal congestion in times of hormonal changes, such as the onset of pregnancy, or other hormonal changes.
It is possible that non-allergic rhinitis symptoms are provoked by daily environmental factors, which can cause irritation to the nasal passages and do not trigger allergies. Contrary to hayfever and other triggers, these are not triggered by the immune system reacting to allergens.
Common triggers are:
The triggers for this condition can differ between individuals. Some individuals may experience symptoms as soon as they are exposed, while others might experience continual nose sensitisation.
Cold air can cause an irritated or blocked nose due to the fact that nasal passages are made to heat and moisten the breathing air.
If cold air gets into the nasal passage, the veins and nerves of the nasal lining react by altering blood flow and boosting the production of mucus. If someone suffers from rhinitis that is not allergic, this reaction may become exaggerated, leading to symptoms like a congested nose, dripping, or sneezing.
It is not an allergy. It's due to an increase in sensitivity of the nasal blood vessels and nerves.
Yes. Foods with spicy or alcoholic ingredients can cause a kind of rhinitis that is not allergic, called gustatory rhinitis.
When certain food items are consumed, they trigger nerve signals in the nose, which can trigger an increase in mucus production. This could cause the nose to become runny during or immediately after eating.
Foods that are spicy are a frequent cause; however, some individuals have symptoms when they consume a variety of foods. Alcohol may also be a factor, as it may alter blood vessels and cause an increase in nasal sensitivity.
It is indeed possible to suffer from allergic and non-allergic rhinitis at the same time. This is known as mixed rhinoitis.
Certain people react to allergens, such as dust mites or pollen, as well as experiencing symptoms caused by other triggers, such as cold air, strong scents, or temperature fluctuations.
It can be difficult to distinguish between the two rhinitis types. complicated because treatment can appear to be working in some cases but not at other times. For instance, medications for allergies could help relieve symptoms triggered by allergens, but they can't completely manage symptoms caused by triggers other than allergies.
The identification of whether your symptoms are caused by an allergy or are non-allergic, or a mix of both, may help you determine an appropriate treatment approach.
The condition is a type of non-allergic rhinitis that results from excessive use of certain nasal sprays for decongestants.
Decongestants work by reducing blood vessels in the nose. This can temporarily open up nasal passages. However, applying these sprays longer than the recommended timeframe can cause the nose to be more swollen after the effects fade.
This could lead to a situation in which a person believes they require spraying more often in order to breathe comfortably.
To decrease the risk of congestion rebound:
The treatment for rhinitis medicamentosa concentrates on breaking the cycle and treating chronic nasal inflammation in a timely manner.
Non-allergic rhinitis can be identified by looking at your symptoms, triggers, and medical background.
A GP might take into account factors like:
Allergy testing is a method to determine if symptoms are caused by allergic rhinitis. If the test does not find a trigger or symptoms that are consistent with a non-allergic pattern, the possibility of non-allergic rhinitis is considered.
The treatment of non-allergic rhinitis concentrates on relieving symptoms and controlling the triggers. The best method for treating this condition is based on the kind of symptoms as well as the cause driving them.
Common choices for managing are:
Limiting exposure to triggers could aid in reducing symptoms. This could include avoiding strong scents and limiting smoking, protecting the nose from cold temperatures, and identifying circumstances that can trigger symptoms.
Nasal sprays are frequently employed to treat rhinitis-related symptoms. Different types of sprays function in different ways, so the decision is dependent on whether inflammation, congestion, or excessive discharge from the nose is the primary issue.
Saline rinses can assist in clearing mucus and irritating substances from the nose passages. They can provide relief from symptoms for certain people, particularly when the nose is irritated or itchy.
If you notice symptoms that could be related to medication, the GP will determine whether a different alternative is appropriate. Avoid stopping prescribed medicines without medical guidance.
The non-allergic rhinitis condition is typically an issue that is controlled rather than completely cured.
The result will depend on the kind that is causing the non-allergic rhinitis. Certain causes, like chronic rhinitis due to medication or due to decongestant sprays that are frequently used, can improve after the trigger has been eliminated.
For issues like vasomotor rhinitis, the emphasis is usually on decreasing manifestations, staying away from triggers whenever it is possible, and identifying treatments that can control the sensitivity of the nose.
An accurate diagnosis is crucial since treating non-allergic rhinitis in the same manner as hay fever might not bring the relief you'd expect.
It is recommended to speak with a GP in the following situations:
A health professional can determine the root of the problem and suggest a suitable next step.
Confirming whether your symptoms are caused by allergies or non-allergic through the assessment of allergies will help you identify the triggers that cause your symptoms and select an appropriate approach to manage your symptoms.
Allergy rhinitis is a condition where the immune system reacts to allergens like dust mites or pollen. The cause of non-allergic rhinitis is sensitisation to environmental triggers without an allergic immune response.
Yes. Non-allergic rhinitis differs from hay fever and doesn't require exposure to allergens such as pollen. It can be asymptomatic throughout the year because of irritants and changes in the environment.
It is based on the root reason. Certain types of ailments may improve after triggers are eliminated, whereas others might require continual monitoring of symptoms.
Antihistamines are formulated to lessen allergic symptoms that are caused by histamine. When your allergies are triggered by other triggers, it is possible that they will not offer the same degree of relief.
The treatment is based on the symptoms and triggers. Avoiding triggers and using appropriate treatment for nasal congestion recommended by a medical professional can aid in managing symptoms.
Stress can exacerbate symptoms in certain individuals because it affects the body's response, causing nasal sensitivity to appear more obvious. It's typically a contributing reason, but not the sole reason.
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