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Itchy Tongue: Causes, Symptoms, and Treatments

Updated: 15 hours ago


A Doctor Examining a Patient With Itchy Tongue.

An itchy tongue can be really irritating and annoying. It can also cause other symptoms that can affect your daily life. In this guide, we will explore the causes, symptoms, and treatments for an itchy tongue, giving you helpful advice and solutions to help you find relief.


What Is an Itchy Tongue?

When your tongue itches, it means you feel a tingling or itchy feeling on the surface of your tongue. This can feel like a mild itch or a more intense itch. The itch can be accompanied by swelling, redness, or small bumps on the tongue. The itch may be temporary, or it may last for a while, depending on the cause.


Causes of an Itchy Tongue

There are many things that can cause an itchy tongue, including:


Allergic Reactions

One of the most common causes of an itchy tongue is a food allergy. This is when your body reacts to certain foods, like nuts, fruits, or vegetables, and thinks they are a danger. When you eat these foods, your body creates a reaction, which can cause your tongue to become itchy. This is called Oral Allergy Syndrome (OAS).


Oral Allergy Syndrome (OAS)

OAS is when people allergic to pollen get an itchy mouth, tongue, and throat after eating raw fruits or vegetables. This can happen with foods like apples, melons, carrots, and celery. The reaction happens because the proteins in these foods look like the ones in pollen, which your body reacts to if you're allergic to pollen. If you have OAS, your body gets confused and thinks the food proteins are pollen.


Food Sensitivities

Some people may get an itchy tongue after eating spicy, acidic, or hot foods. These kinds of foods can irritate the delicate tissues in your mouth, causing itchiness. In some cases, certain additives, preservatives, or artificial sweeteners may cause a mild allergic reaction, which can also cause an itchy tongue.


Medications

Some medications can cause allergic reactions that lead to an itchy tongue and other uncomfortable symptoms. Antibiotics, especially penicillin, are known to cause allergic reactions, which may include itchiness in the mouth. If you're taking medication and you start to have an itchy tongue, talk to your doctor to find out if the medication might be causing it.


Infections

Some infections in the mouth can cause itching, as well as white patches or a burning sensation on the tongue. One example is thrush, or oral candidiasis, which is a fungal infection. If you have a fungal infection, you might feel an itchy or burning sensation on your tongue, and you may see white patches in your mouth.


Dry Mouth (Xerostomia)

Dry mouth, or xerostomia, is when your mouth doesn't produce enough saliva to keep it moist. This can happen because of dehydration, some medications, or medical conditions like diabetes. When your mouth is dry, it can cause your tongue to be irritated and itchy. The tissues in your mouth can get dry and uncomfortable without enough saliva.


Nutritional Deficiencies

If you don’t get enough vitamins and minerals in your diet, you can have a deficiency. This means that your body doesn’t have enough of certain vitamins or minerals, such as iron, vitamin B12, or folic acid. If you don’t have enough of these nutrients, your tongue and other parts of your mouth can become uncomfortable and itchy.


Insect Bites or Stings

In rare cases, insect bites or stings inside the mouth can cause swelling and itching. This can happen if an insect like a bee or wasp gets into your mouth by accident. If an insect bites or stings you in the mouth, you might experience swelling and itching on your tongue or other parts of your mouth.


Hormonal Changes

Women may experience an itchy tongue due to hormonal changes during pregnancy or menopause. These changes in hormones can sometimes cause the mouth to become more sensitive, leading to an itchy tongue. This is because the hormones affect the tissues in the mouth, which can make them more sensitive.


Stress or Anxiety

Stress and anxiety can cause physical symptoms, including an itchy tongue or other sensations in the mouth. People who are stressed or anxious can experience these symptoms more intensely. This is because stress and anxiety can make your body more sensitive and reactive to certain things, including the tissues in your mouth.


Symptoms Accompanying an Itchy Tongue

An itchy tongue can come with other symptoms, depending on what is causing the itchiness. Some of these symptoms may include:


  • Swelling: The tongue may swell, or become bigger, especially in allergic reactions or infections. When the tongue swells, it can be harder to talk and eat. If you notice swelling in your tongue, it's important to figure out what's causing it and get the appropriate treatment.

  • Redness or Bumps: Small red bumps (papillae) can sometimes appear on the tongue. These bumps can be a sign of irritation or a mild infection. If you notice redness or bumps on your tongue, it is important to seek medical attention to determine the cause and treat the issue.

  • Tingling Sensation: A tingling or numb sensation may accompany the itch in some cases, often related to allergic reactions or OAS. This tingling or numbness happens because the nerves in the tongue become irritated or inflamed. This irritation or inflammation can cause the tongue to feel strange like it's tingling or numb.

  • Dry Mouth: If your mouth feels dry or you don’t have enough saliva, this can cause an itchy tongue. Dehydration or dry mouth syndrome can cause your mouth to feel dry. If you think that your dry mouth might be causing an itchy tongue, drinking more water can help.

  • Burning Sensation: Some people may feel a burning sensation along with the itching, especially if the cause is linked to spicy foods or infections. If you feel a burning sensation on your tongue, it could be because you ate something spicy or you have an infection.


Diagnosing the Cause of an Itchy Tongue

If your tongue remains itchy or if you have other symptoms that are worrying you, it's important to see a healthcare professional for diagnosis. Your healthcare provider will likely do the following to find out the cause of the itch:


1. Medical History

Your doctor may ask you these questions to help figure out what might be causing the itchiness. For example, if you recently ate a food that you're allergic to, that could be causing the itchiness.


2. Physical Examination

When a doctor examines you for an itchy tongue, they will carefully look at your tongue, mouth, and throat. They are looking for signs of infection, allergy, or irritation. By doing this, they can figure out what is causing the itch.


3. Allergy Testing

If your doctor thinks that you might have an allergy, they might recommend that you get allergy testing. There are different types of allergy testing, such as skin prick tests or blood tests. These tests can help your doctor find out what is causing the allergy. By doing this, they can figure out if the allergy is the reason your tongue is itchy.


4. Blood Tests

Blood tests can be helpful in diagnosing an itchy tongue. A blood test can check to see if you have any nutritional deficiencies, such as low levels of iron or vitamin B12. These deficiencies can cause your tongue to become itchy. By doing a blood test, your doctor can figure out if the itchy tongue is caused by a deficiency.


Treatment for an Itchy Tongue

The treatment for an itchy tongue will depend on what is causing it. Here are some treatments that can help with an itchy tongue:


1. Antihistamines

If the cause of the itchiness is an allergy, over-the-counter antihistamines like loratadine (Claritin) or cetirizine (Zyrtec) can help with the symptoms. If OAS is the cause, the best way to prevent the itchiness is to avoid the foods that trigger it.


2. Topical Anesthetics

You can also use over-the-counter oral gels or mouth rinses that contain a mild anesthetic. These can help reduce itchiness and irritation. If your tongue is very itchy, you may find that these gels or mouth rinses provide some relief.


3. Hydration

Drinking water can help with an itchy tongue caused by dry mouth. Drinking plenty of water can keep your mouth moist and reduce the itch. If dry mouth is caused by medication, your doctor may be able to adjust your prescription to help with the dry mouth and itchiness.


4. Improving Oral Hygiene

Keeping your mouth clean can prevent infections like thrush. To keep your mouth clean and healthy, brush your teeth twice a day, floss, and use an antiseptic mouthwash. Good oral hygiene can help to prevent infections and keep your mouth healthy.


5. Addressing Nutritional Deficiencies

If a deficiency in vitamins or minerals is causing your itchy tongue, taking supplements as recommended by your doctor can help. If you have low levels of vitamins or minerals like iron or vitamin B12, your doctor may recommend that you take supplements to help get your levels back to normal. This can help to relieve the itchiness in your tongue.


6. Avoiding Trigger Foods

If certain foods cause your itchy tongue, it's a good idea to avoid those foods. You can also try cooking the foods to reduce their potential to cause an allergic reaction. Avoiding trigger foods can help to prevent itchiness and discomfort in your tongue.


7. Treating Underlying Conditions

If an infection or another medical condition is causing the itchiness, your doctor will give you the right treatment to get rid of it. For example, if you have thrush, your doctor may prescribe antifungal medication to treat it. This can help to reduce the itchiness in your tongue.


Preventing an Itchy Tongue

There are a few things you can do to help prevent an itchy tongue:


1. Avoid Known Allergens

If you know what your allergies are, it's best to stay away from them. If you know that a certain food or environmental factor, like pollen, causes an allergic reaction, staying away from it can help prevent an itchy tongue and other allergic reactions.


2. Stay Hydrated

Staying hydrated is important for a lot of reasons, including preventing an itchy tongue. When you don't drink enough water, your mouth can become dry, which can make your tongue itchy. Drinking plenty of water each day can help to keep your mouth moist and help to prevent an itchy tongue.


3. Maintain Oral Health

Brushing your teeth twice a day and flossing regularly can help prevent infections that can cause an itchy tongue. When you brush and floss, you remove food and bacteria from your mouth that can cause infections. This can help to keep your mouth healthy and prevent an itchy tongue.


4. Monitor Diet

If you tend to get oral allergy syndrome, it's a good idea to keep track of the foods that cause symptoms and stay away from them. For example, if you find that raw fruits or vegetables make your tongue itchy, try to cook them before eating them or avoid them altogether. This can help to prevent the itchiness from happening.


When to See a Doctor

While an itchy tongue is usually not a big deal and goes away on its own, you should see a doctor if:


  • The Itch Persists: If the itching continues for more than a few days and doesn't get better with home remedies, it may be a sign of a more serious condition. In this case, you should see a doctor to get it checked out. The doctor will be able to find out what's causing the itch and give you the right treatment.

  • Breathing or Swallowing Difficulties: If you have an itchy tongue and are also having trouble breathing, swallowing, or talking, this could be a sign of a serious allergic reaction called anaphylaxis. This is very serious and needs to be treated right away. If you experience these symptoms, you should go to the hospital or call an ambulance right away.

  • Severe Swelling: If your tongue, lips, or throat start to swell up suddenly, this could be a sign of a serious allergic reaction. If this happens, you should go to the doctor or hospital right away. They will be able to give you the right treatment to make the swelling go down and prevent any other problems.

  • Other Symptoms Appear: If you have an itchy tongue and start to have other symptoms like fever, pain, blisters, or burning sensations, this could be a sign of a more serious condition that needs to be treated. If you experience these symptoms, it's important to see a doctor as soon as you can. The doctor will be able to find out what's causing the itch and other symptoms and give you the right treatment.

  • Recurring Reactions: If you find that your tongue becomes itchy every time you eat a certain food or every time you're exposed to a certain thing, it's important to see a doctor. The doctor can do some tests to find out if you have an allergy. They can also give you some advice on how to manage your symptoms and make sure that you don't have any more reactions.


If you have any concerns about your itchy tongue or any other health issue, don't hesitate to contact the friendly and experienced team at Center One Medical. Our team of healthcare professionals is here to help you and provide you with the care you need. Contact us and schedule a consultation with Center One Medical today. We want to make sure you're feeling your best, so don't wait to get the help you need. Your health is important to us.



FAQs


1. What are the common causes of an itchy tongue?

  • Itchy tongues can be caused by many different things. The most common ones are allergies, problems with certain foods, oral infections, dry mouth, and side effects from medicines. Another cause is oral allergy syndrome (OAS), which happens when the body has a reaction to proteins in certain foods.

2. Can an itchy tongue be a sign of a serious condition?

  • Most of the time, an itchy tongue is not something to worry about. But, if you are having trouble breathing, your tongue is swelling up a lot, or you have other symptoms that are making you worry, it could be a sign of a serious problem like an allergic reaction or infection. In these cases, you need to see a doctor right away.

3. How can I relieve an itchy tongue at home?

  • If your tongue is only mildly itchy, you can try some things at home to make it feel better. Drink plenty of water to keep your mouth moist, take antihistamines if allergies are the cause, or use an oral gel that numbs your tongue. You can also stay away from foods that cause your tongue to itch, keep your mouth clean, and find ways to deal with stress.

4. Is it normal for my tongue to itch after eating certain fruits?

  • Yes, this may be due to oral allergy syndrome (OAS), where certain fruits, such as apples or melons, cause itching due to a cross-reaction with pollen allergies. Cooking or peeling the fruit may reduce symptoms.

5. When should I see a doctor about my itchy tongue?

  • If you have an itchy tongue, you should see a doctor if it doesn't get better after a few days, if it's making your tongue swell up, if you're having trouble breathing, or if you have other symptoms like fever or pain. You should also see a doctor if you keep having itchy tongues or if it happens often.

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