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An itchy throat can occur if you have allergies, an allergic reaction, or if you inhaled something irritating. But it can also be an early sign of illness. Treatment can depend on the cause.
Allergies are one of the most common causes of an itchy throat. An allergic reaction occurs when a substance called an allergen triggers an immune system response in your body. Examples of common allergy triggers that can cause an itchy throat include:
- animal dander
- foods, such as peanut butter, dairy, or strawberries
- pollen, found in trees, grass, or ragweed
Allergies can range from mild to severe. An itchy throat can indicate a milder, yet uncomfortable, allergic reaction.
Inhaling pollutants can also lead to an itchy throat. These might include:
- cleaning products
- tobacco smoke or vapor
An itchy throat may feel:
An itchy throat feels uncomfortable, and it can feel as if you need to clear your throat frequently.
It’s important to distinguish between the symptoms of an itchy throat and similar symptoms that may indicate other conditions. For example, an itchy throat doesn’t feel rough or raw, or make you feel as if you can’t breathe.
While an itchy throat isn’t typically a medical emergency, it can be an uncomfortable symptom.
If your itchy throat gets worse and is accompanied by wheezing, difficulty breathing, or painful swallowing, get immediate medical attention. Also seek medical care if your symptoms don’t improve with time or home remedies.
A doctor will diagnose the condition causing your itchy throat by first asking about your medical history. They’ll also ask what occurs when you experience an itchy throat.
For example, if your itchy throat occurs after going outside, it could indicate an allergy to outdoor dust or pollen.
If your doctor suspects a food allergy, they may ask you to keep a food journal. In the journal, you’ll track the foods you eat and any symptoms you experience after eating them.
Your doctor also may recommend allergy testing. This can involve exposing the skin to small amounts of known irritants. If the skin reacts to a particular irritant, this indicates an allergy. Some allergy testing can also be done through blood tests.
Common irritants include:
- pet dander
To make a diagnosis, your doctor may also examine your throat for:
- other signs of inflammation
- sinus or nasal drainage
If you need help finding a primary care doctor or ear, nose, and throat (ENT) specialist, you can browse doctors in your area through the Healthline FindCare tool.
If your itchy throat is related to allergies, an antihistamine can help to block the body’s inflammatory response. Over-the-counter (OTC) antihistamines are available.
If they don’t relieve your symptoms, your doctor may prescribe a stronger medicine or one that works in a different way.
Create the gargling solution by adding 1 teaspoon of salt and a 1/2 teaspoon of baking soda to 8 ounces of warm water.
- eucalyptus oil
If your itchy throat is caused by an allergen, avoiding that allergen can typically improve symptoms.
Avoiding known allergy triggers can help prevent an itchy throat. Take steps to prevent infection, including washing your hands frequently. This can help prevent itchy throat caused by common colds, strep throat, or other infectious causes.