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Your child’s health and wellbeing come first, which is why noticing an unexpected change in their mouth can feel alarming during everyday moments like brushing their teeth.

You may suddenly see something unusual, such as a tongue that looks patchy or like a map. Seeing this for the first time can be surprising and may naturally cause concern.

In some cases, this appearance may be related to a condition known as geographic tongue.

What is Geographic Tongue?

Close-up of a child’s open mouth with their tongue extended, showing smooth, irregular red patches with white borders consistent with geographic tongue.Geographic tongue gets its name from the way it looks on a child’s tongue. You may notice smooth, red patches with slightly raised white or yellowish borders, and together they can form patterns that look a bit like a map.

These patches appear because tiny bumps on the tongue, called papillae, are missing in certain areas, which leaves those spots smooth.

One thing to note is that geographic tongue can change over time. A patch might show up in one area today and then shift to a different spot days or weeks later.

The patches can move, grow, shrink, fade away, and then show up somewhere else. This shifting pattern is very typical for geographic tongue.

The way it looks can also vary a lot from child to child. Some kids have patches that are easy to see right away, while others have very mild changes that are only noticeable if you look closely.

Conditions That Can Look Like Geographic Tongue

A few other tongue conditions can look similar to geographic tongue.

Oral Thrush

Oral thrush, which is a yeast infection, often causes white patches on the tongue. These patches usually scrape off, and the skin underneath looks red and irritated, which is different from geographic tongue, where the patches do not scrape away.

Oral Lichen Planus

Lichen planus can also cause white lines or patches inside the mouth, but the pattern tends to look different and it usually shows up in other areas of the mouth as well, not only on the tongue.

Canker Sore

Canker sores may sometimes appear on the tongue too, and while they can be uncomfortable, they do not have the map-like appearance that is typical of geographic tongue.

Read more: The ABCs of Canker Sores in Children

How Do You Address Geographic Tongue?

In most cases, geographic tongue does not require any treatment. It is considered a benign condition, which means it is not harmful or dangerous, and many children who have it do not experience any symptoms beyond changes in the appearance of the tongue.

However, some kids do feel discomfort or mild burning sensations, especially after eating certain foods.

In those situations, avoiding spicy or acidic foods often helps reduce discomfort. Citrus fruits, tomato sauce, spicy chips, and hot soup can irritate the sensitive patches on the tongue. You don’t need to eliminate these foods entirely, but pulling back on them during flare ups can help your child feel more comfortable.

We also recommend maintaining regular brushing and flossing with a soft-bristled toothbrush and avoiding alcohol-based mouthwashes that may irritate the tongue. Some kids find that switching to a milder toothpaste, such as one without strong flavoring, helps reduce irritation.

It’s also helpful to pay attention to triggers. Some parents notice their child’s geographic tongue flares up during times of stress (like starting a new school year or during exams) or after eating certain foods. Keeping note of these patterns can help you anticipate and manage flare-ups.

In rare cases where a child experiences significant discomfort that doesn’t improve with these basic measures, other options may be recommended. But this is uncommon.

Read more: Why Your Child’s Tongue Needs Cleaning Too

In the vast majority of cases, geographic tongue is a harmless condition that doesn’t require treatment or cause long-term problems.

If you notice something on your child’s tongue that looks like geographic tongue (or anything else that concerns you), schedule a visit with your child’s dentist.

Our team at Lafayette Pediatric Dentistry in Lafayette is always here to support you and your kids and help ensure they receive the care they need. If you have questions about your child’s oral health or would like to schedule an appointment, feel free to reach out anytime. We’re happy to help.