Definition of urticaria in English:



mass nounMedicine
  • A rash of round, red welts on the skin that itch intensely, sometimes with dangerous swelling, caused by an allergic reaction, typically to specific foods.

    Also called nettle rash or hives
    • ‘Antihistamine creams and tablets are both effective in reducing urticaria (hives or nettle rash), the itchy white bumps on the skin often caused by insect bites and stings.’
    • ‘There was no history of pruritus, urticaria, abdominal pain or swelling of other areas of the body.’
    • ‘Normal reactions to smallpox vaccination include erythema, edema, regional lymphadenopathy, fever, malaise, and urticaria.’
    • ‘Foods high in histamine, such as fermented foods, may exacerbate urticaria and angioedema in these individuals.’
    • ‘Symptoms can vary from mild reactions, such as urticaria, hay fever, and allergic conjunctivitis, to asthma and, in rare cases, anaphylaxis.’
    • ‘Rashes with purpura, urticaria, and subcutaneous nodules are common.’
    • ‘Antihistamines may be beneficial in the treatment of urticaria and other allergic causes of pruritus.’
    • ‘Many sufferers of allergic rhinitis have other allergies such as eczema, urticaria, or asthma.’
    • ‘The most common adverse effects of omeprazole are diarrhoea, headache, and rashes, of which urticaria and toxic erythema are the most common.’
    • ‘Although alcohols have been considered for decades to be the safest antiseptics available, there are rare accounts of urticaria syndromes and allergic contact dermatitis associated with alcohol.’
    • ‘This usually manifests as flushing, breathlessness, rash, urticaria, and hypotension.’
    • ‘Antihistamines are often used to treat the symptoms of allergies such as seasonal and perennial allergic rhinitis and urticaria.’
    • ‘The reactions seen are mainly on the skin: eczema or urticaria, with or without respiratory or gastro-intestinal symptoms.’
    • ‘At each interview, subjects were asked about the occurrence of allergic rhinitis, urticaria, eczema, asthma attacks, or asthmalike breathing problems in the last 12 months.’
    • ‘Rashes and urticaria may be present as part of a hypersensitivity reaction.’
    • ‘Histamine, which is released by mast cells in persons with urticaria and other allergic reactions, classically is associated with pruritus.’
    • ‘Overall the incidence is 155 cases per 100,000 population, a frequency similar to urticaria or peptic ulcer.’
    • ‘Other symptoms include fever, joint and muscle pain, malaise, urticaria, and pharyngitis.’
    • ‘Patients who have seasonal allergic rhinitis and urticaria often use higher doses.’
    • ‘Skin prick testing is conventionally used to investigate immediate type hypersensitivity to allergens in patients with urticaria, asthma, atopic eczema, and suspected food allergy.’
    spots, skin eruption, breakout
    View synonyms


Late 18th century: modern Latin, from Latin urtica ‘nettle’, from urere ‘to burn’.