Hives, or urticaria, are itchy, red welts that appear suddenly and often disappear quickly. While commonly linked to allergies,

many surprising triggers exist. Stress and anxiety can release histamine, leading to hives—manage it through relaxation, exercise,

and sleep. Sudden temperature changes, like cold air or hot showers, can also provoke hives; regulate exposure and use lukewarm water.

Pressure on the skin from tight clothing or heavy items can trigger pressure urticaria. Wear loose fabrics and avoid prolonged pressure.

Beyond common allergens, foods like citrus, tomatoes, or fermented products may cause flare-ups—keep a food diary and consult an allergist.

Some medications, including antibiotics and pain relievers, can trigger reactions; review them with a doctor. Viral or chronic illnesses,