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What are the most common causes of a swollen tongue?
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The most common causes of a swollen tongue include bacterial infections, fungal infections, allergies, medications, and certain foods. Bacterial infections can cause swelling due to inflammation, while fungi may cause a white or yellow coating on the tongue. Allergies may cause redness, itching, and swelling in the tongue. Certain drugs such as antihistamines and corticosteroids can also cause a swollen tongue. Lastly, certain foods like citrus fruits, garlic, and nuts can lead to an enlarged tongue.