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Why have my lips gotten thicker? Possible causes and treatment options

According to the American College of Allergy, Asthma & Immunology, allergic reactions are a very common cause of swelling, including in the lips. If you find yourself asking, "Why have my lips gotten thicker?" it's important to consider both acute and chronic issues, ranging from allergies and injuries to underlying systemic diseases. Seeking a proper diagnosis is crucial for effective management.