urticaria

Also known as hives, Urticarias, rare urticaria, rare urticaria (disease), rare hives, nettlerash

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Key facts

Medical condition (new).name: Hives
Medical condition (new).synonyms: Urticaria
Medical condition (new).image: EMminor2010.JPG
Medical condition (new).caption: Hives on the arm
Medical condition (new).field: Dermatology, clinical immunology, allergology
Medical condition (new).symptoms: Red, raised, itchy bumps
Medical condition (new).duration: A few days
Medical condition (new).causes: Stress, following an infection, result of an allergic reaction
Medical condition (new).risks: Hay fever, asthma
Medical condition (new).diagnosis: Based on symptoms, patch testing
Medical condition (new).treatment: Antihistamines, corticosteroids, leukotriene inhibitors
Medical condition (new).frequency: ~20%

via Wikipedia infobox

Research

29,680 papers

Urticaria and Angioedema: an Update on Classification and Pathogenesis.ReviewClinical reviews in allergy & immunology · 2018Radonjic-Hoesli S, Hofmeier KS, Micaletto S et al.DOI: 10.1007/s12016-017-8628-1
Chronic Spontaneous Urticaria: The Devil's Itch.ReviewThe journal of allergy and clinical immunology. In practice · 2018Saini SS, Kaplan APDOI: 10.1016/j.jaip.2018.04.013
Chronic Inducible Urticaria.ReviewImmunology and allergy clinics of North America · 2024Ritzel D, Altrichter SDOI: 10.1016/j.iac.2024.03.003
Chronic spontaneous urticaria and chronic inducible urticaria.ReviewThe Journal of allergy and clinical immunology · 2025Lee R, Bernstein JADOI: 10.1016/j.jaci.2025.05.019
Urticaria: A comprehensive review: Epidemiology, diagnosis, and work-up.ReviewJournal of the American Academy of Dermatology · 2018Antia C, Baquerizo K, Korman A et al.DOI: 10.1016/j.jaad.2018.01.020
Physical urticaria: Clinical features, pathogenesis, diagnostic work-up, and management.ReviewJournal of the American Academy of Dermatology · 2023McSweeney SM, Christou EAA, Maurer M et al.DOI: 10.1016/j.jaad.2023.02.062
Urticaria: Diagnosis and Management.ReviewPrimary care · 2025Bass M, Atkinson L, Shenker BSDOI: 10.1016/j.pop.2025.05.010
Urticaria and angioedema.ReviewAllergy and asthma proceedings · 2019Guo C, Saltoun CDOI: 10.2500/aap.2019.40.4266

via PubMed

Wikidata facts

Image: Rash.jpg

Show 6 more facts

Commons category: Urticaria
WordLift URL: data.medicalrecords.com/medicalrecords/healthwise/hives_2
exact match: purl.obolibrary.org/obo/SYMP_0000434
ICD-9-CM: 708
NCI Thesaurus ID: C3432
ICPC 2 ID: S98

Sources (7)

via Wikidata · CC0

~26 min read

Article

35 sections

Contents

Signs and symptoms
Cause
Medications
Food
Infection or environmental agent
Dermatographic urticaria
Pressure or delayed pressure
Cholinergic or stress
Cold-induced
Solar urticaria
Water-induced
Exercise
Pathophysiology
Allergic hives
Autoimmune hives
Infections
Nonallergic hives
Dietary histamine poisoning
Stress and chronic idiopathic hives
Diagnosis
Acute versus chronic
Related conditions
Angioedema
Vibratory angioedema
Management
Systemic steroids
Leukotriene-receptor antagonists
Other
Prognosis
Epidemiology
Research
History
See also
References
External links

Hives, also known as urticaria, is a kind of skin rash with red or flesh-colored, raised, itchy bumps. Hives may burn or sting. The patches of rash may appear on different body parts, with variable duration from minutes to days, and typically do not leave any long-lasting skin change. Fewer than 5% of cases last for more than six weeks (a condition known as chronic urticaria). The condition frequently recurs.

Hives frequently occur following an infection or as a result of an allergic reaction such as to medication, insect bites, or food. Psychological stress, cold temperature, or vibration may also be a trigger. In half of cases the cause remains unknown. Risk factors include having conditions such as hay fever or asthma. Diagnosis is typically based on appearance. Patch testing may be useful to determine the allergy.