Hives (urticaria) are characterised by raised, well-defined, erythematous wheals with central pallor, typically intensely pruritic, appearing and resolving within 24 hours in any given location. They result from mast cell degranulation releasing histamine and other mediators, causing localised oedema in the superficial dermis. Acute urticaria (lasting less than 6 weeks) is most commonly triggered by food allergens (nuts, shellfish, eggs), medications (particularly NSAIDs and antibiotics), insect stings, or viral infection.

What lifestyle changes can help with hives?

Naturopathy (gut and immune support), Nutritional Therapy (low-histamine or low-pseudoallergen diet), Herbal Medicine (anti-inflammatory, antihistamine herbs), Stress management, Acupuncture, elimination diet assessment.

What integrative approaches support hives?

Strong evidence supports non-sedating antihistamines (cetirizine, loratadine, fexofenadine) as first-line treatment for both acute and chronic urticaria. For refractory chronic urticaria, omalizumab (anti-IgE monoclonal antibody) has strong evidence. Allergen identification and avoidance are evidence-based in acute allergic urticaria. Stress management and gut health interventions have emerging evidence in chronic urticaria, given the gut-skin-immune axis. Low-pseudoallergen diets have moderate evidence for chronic idiopathic urticaria.

When should I seek professional support for hives?

Hives with throat tightening, difficulty breathing, dizziness, or tongue swelling — anaphylaxis, call emergency services immediately. Hives with angio-oedema in the absence of anaphylaxis — urgent assessment. Chronic hives persisting more than 6 weeks — autoimmune assessment. Hives with systemic symptoms (fever, joint pain) — vasculitic urticaria assessment.

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Hives

Raised, itchy, often transient welts on the skin caused by mast cell activation, which may be acute (allergic) or chronic (autoimmune or idiopathic).

Understand what may be causing this

Reviewed by Dr. Ciara Magee · Integrative Midwifery26 March 2026High Evidence

Quick answer

Hives / urticaria (ICD-10: L50.9; ICD-11: EA80) are raised, itchy welts on the skin appearing from allergic triggers, stress, autoimmune processes, or idiopathic causes. Anaphylaxis is a critical red flag. Antihistamines are first-line; stress management relevant for chronic cases.

Recognition

Do any of these feel familiar?

People describe intensely itchy welts that appear anywhere on the body, typically within minutes to hours of a trigger. Individual lesions migrate or resolve and reappear elsewhere. The itch is often described as overwhelming — difficult to resist scratching despite knowing it worsens the reaction. Many develop a pattern of detective work identifying triggers. The unpredictability of chronic urticaria creates significant anxiety, particularly around social events and travel.

What is Hives?

Raised, itchy, often transient welts on the skin caused by mast cell activation, which may be acute (allergic) or chronic (autoimmune or idiopathic).

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Self-care

What You Can Do Now

Self-directed strategies that may support Hives alongside professional care.

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Hives

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What You Can Do Now

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This symptom is often connected to

Allergies and Sensitivities

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References