


Dr Bryan McDonald
Consultant Dermatologist
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Male genital dermatology / Penile dermatology problems
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Medical dermatology treatment: acne vulgaris; eczema; psoriasis; vitiligo; rosacea; boils; hidradenitis suppurativa (HS)
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Skin surgery (biopsy, shave and excision), cryotherapy and steroid injections
Urticaria (Hives) Treatment – Consultant Dermatologist in London
Urticaria causes raised, itchy rashes that come and go. It can be acute or chronic and is often frustrating when triggers are unclear.
What does urticaria look like?
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Raised, red or skin-coloured welts
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Itchy, burning sensation
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Rash moves location over hours
What causes urticaria?
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Allergies
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Infections
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Stress
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Autoimmune causes (chronic urticaria)
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Often no clear trigger
Treatment Options
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Non-sedating antihistamines (higher doses if needed)
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Immune-modulating treatments for chronic cases
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Identification of triggers
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Personalised management plan
When to seek specialist help
If hives last more than 6 weeks, keep returning, or do not respond to antihistamines.
FAQs
1. Why do my hives keep coming back?
Chronic urticaria is often autoimmune and may not have an obvious trigger.
2. How long is too long for hives to last?
If hives persist for more than 6 weeks, this is considered chronic urticaria and needs specialist care.
3. Are hives an allergy?
Sometimes, but often there is no allergic cause.
4. What is the best treatment for chronic urticaria?
Higher-dose non-sedating antihistamines and, if needed, immune-modulating treatments.
5. Can stress make urticaria worse?
Yes — stress is a common trigger for flares.
Book a consultation
If you are struggling with chronic urticaria, you can book a consultation for expert diagnosis and treatment.