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  1. Oct 27, 2023 · Hives — also known as urticaria (ur-tih-KAR-e-uh) — is a skin reaction that causes itchy welts that range in size from small spots to large blotches. Hives can be triggered by many situations and substances, including certain foods and medications. Angioedema can arise with hives or alone. It causes swelling in the deeper layers of skin ...

  2. Dec 6, 2019 · Oral lichen planus may appear as white, lacy patches; red, swollen tissues; or open sores. These lesions may cause burning, pain or other discomfort. Oral lichen planus can't be passed from one person to another. The disorder occurs when the immune system mounts an attack against cells of the oral mucous membranes for unknown reasons.

  3. May 1, 2023 · Cheilitis is a group of inflammatory conditions that cause the skin of the lips to become red, dry, scaling, and itchy. There are many possible causes of cheilitis, including infections, allergies, irritants, and even habitual behaviors like lip-licking. Cheilitis can usually be diagnosed with a review of your medical history and an examination ...

    • Colleen Doherty, MD
  4. Peripheral neuropathy happens when the nerves that are located outside of the brain and spinal cord (peripheral nerves) are damaged. This condition often causes weakness, numbness and pain, usually in the hands and feet. It also can affect other areas and body functions including digestion and urination. The peripheral nervous system sends ...

    • Oral Allergy Syndrome. Oral allergy syndrome (OAS) happens when you react to a plant-based food, like a raw veggie, fresh fruit, or a seed such as fennel or sunflower.
    • Cold Sores. A cold sore (fever blister) is a patch of blisters that form a crust on or near your lips. A strain of the herpes simplex virus causes them. You can get one if you kiss an infected person or share things like forks, towels, and razors with them.
    • Hypoparathyroidism. This happens when your body doesn’t make enough parathyroid hormone. This chemical manages the calcium and phosphorus levels in your body.
    • Multiple Sclerosis. MS is a disease of the central nervous system. It scrambles info between your brain and body, which can cause strange or altered sensations.
  5. Angioedema is a reaction to a trigger that causes swelling in the tissue below the inner layer of your skin called the dermis or the layer below a mucous membrane. Angioedema often happens at the same time as hives (urticaria) and for similar reasons. Both angioedema and hives happen when liquid from small blood vessels escapes and fills up ...

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  7. Jan 23, 2024 · Contacting a doctor. Summary. Swollen upper lips can develop due to allergic reactions, injuries, or medication side effects. However, they can also stem from an infection, Crohn’s disease, and ...

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