

What Is Geographic Tongue? Kate McKinnon Explains
Hollywood actress and comedian Kate McKinnon has recently shared her experience with Geographic Tongue, a harmless but unusual oral condition that she herself describes as “gross.” The 41-year-old Saturday Night Live alum, now starring in The Roses, revealed her struggles in an interview with People magazine, sparking fresh curiosity about this often-misunderstood tongue disorder.
What Exactly Is Geographic Tongue?
According to the National Institutes of Health and the Mayo Clinic, Geographic Tongue is an inflammatory yet harmless condition that affects the surface of the tongue. Normally, the tongue is covered with tiny hair-like structures called papillae. In people with this condition, certain patches lose these papillae, leaving smooth, red areas that can look like irregular shapes on a map, hence the name “geographic.”
While it may appear alarming, doctors emphasise that it does not cause long-term health issues and is not contagious.
Kate McKinnon’s Take on the Condition
McKinnon revealed that she often takes photos of her tongue and even shares them with a fellow actor friend who has the same condition. “Your tongue sheds in patches and looks like an atlas,” she explained, joking that they compare how “geographic” their tongues look on different days. Though she laughingly called it “gross,” her openness helps bring attention to an often-overlooked oral health issue.
Symptoms and Outlook
Most people with Geographic Tongue do not experience severe discomfort, though some may feel sensitivity to certain foods, especially spicy or acidic ones. The appearance of the tongue may change from day to day or week to week, which can make it more noticeable to those affected. Importantly, medical experts confirm it is benign and harmless, even if its appearance may concern patients.
Conclusion
While Kate McKinnon may joke about it, Geographic Tongue is a real condition that many people live with. Though it changes the look of the tongue and may feel concerning, it remains harmless and usually needs no treatment. Her candidness not only normalises conversations around oral health but also reminds us that even unusual conditions can be managed without fear.
Source:Â Inputs from various media SourcesÂ

I’m a pharmacist with a strong background in health sciences. I hold a BSc from Delhi University and a pharmacy degree from PDM University. I write articles and daily health news while interviewing doctors to bring you the latest insights. In my free time, you’ll find me at the gym or lost in a sci-fi novel.
- Priya Bairagi
- Health News and Updates,People Forum
- 10 September 2025
- 15:00