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Psoriasis is a chronic autoimmune skin disease characterized by whitish, scaly plaques, often accompanied by itching and inflammation. These plaques most commonly appear on the elbows, knees, scalp, and lower back.

Although the disease is not contagious, it requires regular monitoring and treatment, including medication, creams, phototherapy, and lifestyle modifications. Early diagnosis helps prevent the spread of the disease and complications.

Allergic reactions

Allergies are one of the most common causes of skin redness. They can be caused by:

insect bites;

taking certain medications;

food (e.g., seafood, nuts or strawberries);

contact with cosmetics, detergents or plants.

An allergic rash is often accompanied by itching, swelling, or burning. To prevent a recurrence, it is important to determine the exact cause through allergy tests and a consultation with an allergist.

Skin cancer

Not all red spots are harmless. In some cases, they can be an early sign of skin cancer, particularly melanoma, the most dangerous form.

Signs to watch for:

spots that change color or shape;

formations that do not heal over time;

areas of bleeding or peeling skin.

Early detection of skin cancer increases the chances of a complete cure. See a dermatologist at least once a year, especially if you have fair skin, many moles, or a family history of the disease