Can an Allergic Rhinitis Flare Up Cause Sudden Shivering and Chills?
Written by: Dr.Muhammad Ihsan Ullah, PhD
Medically reviewed by: Dr. Jamal ud Din Khan, FCPS
Last updated on August 17, 2026
Have you ever experienced a sudden allergy flare-up followed by a strange feeling of coldness, shakiness, or even shivering? Many people ask their clinicians: “Can allergic rhinitis cause chills?” or “Can allergies make you shiver?” because these sensations can feel similar to the beginning of an infection.
The answer is not always straightforward. Allergic rhinitis usually does not cause true chills or shaking episodes. However, during a severe allergy flare-up, some people may experience a cold sensation, weakness, fatigue, or a shaky feeling that can feel similar to chills.
Understanding the difference between allergy-related sensations and true chills caused by infections can help you recognize when symptoms are likely due to allergies and when further medical evaluation may be needed.
Can allergic rhinitis cause sudden shivering and chills?
No. Allergic rhinitis does not typically cause true chills or shaking episodes. If shivering occurs during an allergy flare, it may be related to feeling cold, tired, uncomfortable, or physically stressed rather than a fever-related response. Persistent chills, fever, or severe shaking may indicate another condition.
Do allergies cause chills without fever?
Allergies may sometimes make a person feel cold, weak, or unsettled, but chills without fever are not considered a classic symptom of allergic rhinitis. Repeated or severe chills should be evaluated in the context of other symptoms.
Can allergic rhinitis cause chills?
Allergic rhinitis can make some people feel cold or uncomfortable, but it generally does not cause true chills.
Allergic rhinitis is an immune-mediated condition that occurs when the body reacts excessively to harmless airborne allergens, including:
- Pollen
- Dust mites
- Mold spores
- Pet dander
This immune reaction triggers symptoms such as:
- Sneezing
- Runny nose
- Nasal congestion
- Itchy nose or eyes
- Postnasal drip
Allergic rhinitis is mainly an upper-airway inflammatory condition. Its typical symptoms involve the nose and eyes rather than whole-body symptoms such as fever, shaking chills, or rigors (intense involuntary shaking) (1, 2).
If you experience sudden chills along with fever, muscle aches, or significant fatigue, the symptoms may be related to an infection rather than an allergy flare.
Can allergies make you shiver during an allergy flare-up?
Some people report shivering during an allergy attack, but this does not necessarily mean the allergy itself is causing true chills.
A severe allergy flare-up may leave you feeling physically exhausted because of:
- Difficulty sleeping due to nasal blockage
- Constant sneezing and irritation
- Increased discomfort
- Stress caused by persistent symptoms
- General fatigue
These factors may create sensations such as:
- Feeling cold
- Mild trembling
- Feeling shaky
- Low energy
However, these sensations are different from the intense shaking chills often experienced with fever or infection.
Why am I shivering during an allergy attack?
A common concern is: “Why do I suddenly shiver with allergies?”
During allergic rhinitis, the immune system activates pathways involving:
- Immunoglobulin E (IgE)
- Mast cells
- Histamine release
- Type 2 inflammatory responses
These processes produce the familiar symptoms of allergies, including sneezing, itching, mucus production, and congestion (1, 3).
Although histamine is a key chemical messenger in allergic reactions, ordinary allergic rhinitis does not typically produce the same temperature-regulation changes that occur during infections.
A person may feel shaky or uncomfortable because of the overall physical stress of an allergy flare, but true shaking chills should not automatically be considered an allergy symptom.
Can allergic rhinitis cause chills without fever?
Many people specifically search: “Can allergic rhinitis cause chills without fever?”
Feeling cold without a fever can happen for many reasons. During an allergy flare-up, possible contributors include:
- Poor sleep caused by congestion
- Physical exhaustion
- Stress response
- Discomfort from prolonged symptoms
- Environmental temperature changes
However, chills without fever can also occur in other situations, including early infections or other medical conditions.
If chills continue, become stronger, or occur with new symptoms, it is important not to assume they are only caused by allergies.
Can seasonal allergies cause sudden chills or shivering?
Seasonal allergies, also known as hay fever, occur when the immune system reacts to seasonal allergens, especially pollen. It is often asked by patients
“Can seasonal allergies cause chills?”
The answer is similar to allergic rhinitis in general. Seasonal allergies can make you feel tired, uncomfortable, or unwell, but sudden intense chills are not considered a typical symptom of hay fever.
Symptoms that are more suggestive of an infection include:
- Fever
- Severe body aches
- Strong shaking chills
- Worsening fatigue
- Sore throat
The timing of symptoms can also provide clues. Allergy symptoms often appear after allergen exposure and may improve when exposure decreases, while infections usually follow a different pattern.
Are chills from allergies or a cold? How can you tell?
Many people struggle to differentiate allergies from a cold or another respiratory illness.
Allergic rhinitis is more likely when you have:
- Clear, watery nasal discharge
- Frequent sneezing
- Itchy eyes or nose
- Symptoms linked to pollen, dust, or other allergens
- No fever
A cold, flu, or infection is more likely when you have:
- Fever
- True chills
- Muscle aches
- Significant weakness
- Worsening symptoms over several days
Allergies involve an abnormal immune response to harmless substances, while infections activate immune pathways that can influence body temperature regulation.
Can histamine cause chills or make you feel cold?
People often ask: “Can histamine make you shiver?”
Histamine is one of the most important chemical mediators involved in allergic rhinitis. It contributes to symptoms such as:
- Sneezing
- Itching
- Nasal swelling
- Runny nose
Histamine release is part of the allergic response, but current evidence does not show that normal histamine activity during uncomplicated allergic rhinitis directly causes true chills or rigors (1, 3).
This distinction is important because feeling cold or uncomfortable during allergies is not the same as having infection-related chills.
When should you worry about sudden shivering during allergies?
You should consider medical advice if shivering occurs with:
- Fever
- Severe shaking chills
- Shortness of breath
- Chest pain
- Confusion
- Severe weakness
- Rapidly worsening symptoms
These signs may indicate that another condition is present and should not be assumed to be caused by allergic rhinitis.
Key Takeaway: Can an allergic rhinitis flare-up cause sudden shivering and chills?
An allergic rhinitis flare-up usually does not cause true chills or shaking shivering. However, some people may experience a cold sensation, fatigue, or mild shakiness during a severe allergy episode.
The important difference is:
Allergies can make you feel uncomfortable, tired, or even slightly chilly, but fever, intense chills, or shaking episodes may point toward another cause such as infection.
Recognizing this difference can help you manage allergy symptoms appropriately and know when professional medical advice may be needed.
Medical Disclaimer
This article is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. If you experience persistent chills, severe shivering, fever, breathing difficulties, or worsening symptoms, consult a qualified healthcare professional for proper evaluation.
Frequently Asked Questions(FAQs)
1. Can allergic rhinitis cause chills?
Allergic rhinitis does not usually cause true chills. Feeling cold or mildly shaky may occur during a flare, but intense chills may suggest another cause.
2. Can allergies make you shiver without a fever?
Some people may feel shivery or unsettled during an allergy flare, but true shivering is not a typical allergic rhinitis symptom.
3. Why do I feel cold during an allergy flare-up?
Congestion, fatigue, poor sleep, discomfort, and the body’s stress response may contribute to a temporary cold or shaky sensation.
4. Are sudden shaking chills normal with hay fever?
No. Sudden or severe shaking chills are not typical of hay fever and should not automatically be attributed to allergies.
5. When should I seek medical advice for chills with allergies?
Seek medical advice if chills are severe, persistent, or accompanied by fever, body aches, shortness of breath, confusion, or worsening illness.
References
- Bernstein JA, Bernstein JS, Makol R, Ward S. Allergic Rhinitis: A Review. 2024;331(10):866–877. doi:10.1001/jama.2024.0530
- Rosenfield L, Keith PK, Quirt J, Small P, Ellis AK. Allergic rhinitis. Allergy, Asthma & Clinical Immunology.2024;20:74. doi:10.1186/s13223-024-00923-6
- Okano M, Okubo K, Gotoh M, et al. Practical guideline for the management of allergic rhinitis in Japan 2024. Auris Nasus Larynx.2025;52(4):426–441. doi:10.1016/j.anl.2025.05.005