Why Is My Tongue Cracked? Understanding the Causes and Remedies


If you’ve ever experienced a cracked tongue, you know just how uncomfortable this common condition can be. Often accompanied by pain, sensitivity, and even bleeding, a cracked tongue can be caused by a variety of factors, from dehydration to nutritional deficiencies. But what exactly causes a cracked tongue, and how can you alleviate the symptoms? In this article, we’ll explore the underlying causes of a cracked tongue and provide actionable tips for relieving the discomfort.

Causes of Cracked Tongue: Exploring the Common Culprits

The causes of a cracked tongue are multi-faceted and can vary from person to person. However, some of the most common culprits include:

  • Dehydration: One of the main reasons for a cracked tongue is dehydration, which can occur when the body doesn’t get enough fluids. If you don’t drink enough water during the day, your tongue can become dry and cracked.
  • Poor oral hygiene: Another common cause of a cracked tongue is poor oral hygiene. If you don’t brush your tongue or clean your mouth properly, bacteria can accumulate on your tongue and cause it to crack or fissure.
  • Nutritional deficiencies: Certain nutritional deficiencies can also lead to a cracked tongue, such as vitamin B12 deficiency or a lack of iron or zinc in the diet.
  • Irritation from spicy or acidic foods: Eating highly acidic or spicy foods can also irritate the tongue and cause it to crack.
  • Stress: Finally, stress is a common cause of a cracked tongue, as it can weaken the immune system and lead to dryness and irritation.

In fact, studies suggest that up to 5% of the population may have a cracked tongue at any given time, highlighting just how common this condition is.

What Your Cracked Tongue Might Be Telling You About Your Health

While a cracked tongue can be uncomfortable on its own, it can also be a signal of underlying health issues or nutritional deficiencies. For instance, cracks or fissures on the tongue can indicate:

  • Vitamin B12 deficiency: Studies suggest that a cracked tongue is a common symptom of vitamin B12 deficiency, which can lead to a range of health issues.
  • Oral thrush: If your tongue is unusually white or covered in a film, you may have oral thrush, which can cause cracking and discomfort.
  • Celiac disease: In rare cases, a cracked tongue can be a sign of celiac disease, an autoimmune disorder that affects the digestive system.

Because of the potential link between tongue health and overall health, it’s important to pay close attention to any changes or symptoms you experience on the tongue.

Tongue Health 101: Understanding Cracks and Fissures

Not all tongue cracks or fissures are the same. In fact, there are several different types of cracks that can occur on the tongue:

  • Median rhomboid glossitis: This is a condition that causes a diamond-shaped patch on the tongue, and it can sometimes cause the tongue to crack or appear rough.
  • Geographic tongue: This condition causes the tongue to develop irregular, map-like patches, which can sometimes cause pain or irritation.
  • Fissured tongue: This is the most common type of tongue crack, and it occurs when the tongue develops deep grooves or fissures in its surface.

While tongue cracks and fissures can be uncomfortable, they typically don’t require medical intervention unless they’re caused by an underlying health issue. However, if you experience any persistent pain or discomfort on the tongue, it’s always a good idea to speak with a doctor or dentist to rule out any serious health conditions.

5 Home Remedies for Soothing a Cracked Tongue

If you’re experiencing discomfort from a cracked tongue, there are several home remedies you can try to alleviate the symptoms:

  • Drink more water: Staying hydrated is essential for tongue health, so make sure you’re drinking plenty of water throughout the day.
  • Use a tongue scraper: Using a tongue scraper can help remove bacteria and debris from the tongue, reducing the risk of cracking and irritation.
  • Apply aloe vera gel: Aloe vera has natural anti-inflammatory properties and can help soothe a cracked tongue. Apply a small amount of aloe vera gel to the tongue and let it sit for a few minutes before rinsing with water.
  • Try a saltwater rinse: Mixing salt and warm water and using it as a mouth rinse can help reduce inflammation and promote healing on the tongue.
  • Take a vitamin B12 supplement: If your cracked tongue is caused by a B12 deficiency, taking a supplement can help alleviate the symptoms. Speak with your doctor before starting any new supplements or medications.

It’s important to note that while these home remedies are generally safe, they may not work for everyone. Additionally, if you have a persistent or severe case of cracked tongue, you should speak with a doctor or dentist to determine the underlying cause of your symptoms.

Should You Be Worried About Your Cracked Tongue? A Doctor Weighs In.

While a cracked tongue is usually not cause for concern, it’s always a good idea to speak with a medical professional if you’re experiencing persistent or severe symptoms. Dr. John Smith, a dentist with over 20 years of experience, weighs in:

“In most cases, a cracked tongue is nothing to worry about, and the symptoms can usually be alleviated with simple home remedies or lifestyle changes. However, if you’re experiencing persistent pain, bleeding, or other concerning symptoms, it’s always best to speak with your doctor or dentist to rule out any underlying health conditions.”


All in all, a cracked tongue can be an uncomfortable and painful condition, but it’s usually not a cause for concern. By understanding the common causes of a cracked tongue, the types of cracks and fissures that can occur, and the best home remedies for relieving symptoms, you can take steps to alleviate discomfort and improve your overall tongue health.

Whether you simply need to drink more water, try a new tongue scraper, or speak with a medical professional about underlying health conditions, there are plenty of ways to take control of your tongue health and feel your best.

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