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Hives that come and go.
Understand the pattern.

Raised, itchy patches can appear suddenly and disrupt your day. Find out what urticaria is and how a practical care plan can help.

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Illustrative dermatologist examination of small raised hives on a woman’s forearm.
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What is urticaria?

A raised wheal caused by temporary swelling beneath the skin surface, with histamine release below.

Urticaria is the medical name for hives: temporary raised patches called wheals. Histamine and other signals cause fluid to collect in the skin, creating swelling and itch.

Individual wheals usually fade within a day, while new ones may appear elsewhere. Some people also have deeper swelling called angioedema.

What might you notice?

Two views of changing wheal locations over time, rather than a treatment result.
  1. 01

    Itchy raised patches

    Wheals can be small bumps, rings or larger irregular patches. On darker skin they may be skin-coloured, so the raised shape can be more obvious than redness.

  2. 02

    A changing rash

    An individual patch may disappear as others develop. Take a photo if the skin often looks normal by the time of your appointment.

  3. 03

    Swelling beneath the surface

    Eyelids, lips, hands or feet may swell. New swelling needs prompt advice; mouth, tongue or throat involvement or breathing symptoms need emergency care.

Timing helps explain the pattern.

Wheals changing over time.

Short-lived episodes

Acute urticaria lasts less than six weeks. An infection, medicine, food allergy or another exposure may be involved, but a clear cause is not always found.

A symptom diary and camera for recording recurring hives.

Recurring hives

Hives continuing beyond six weeks are called chronic urticaria. Many cases occur without an external trigger and are not caused by a food allergy.

Symbols for temperature, pressure and medicines, representing possible triggers to discuss.

Physical triggers

Heat, cold, rubbing or pressure can bring on hives in some people. A reliable link helps the clinician decide whether targeted testing is useful.

A plan to reduce itch and flares.

Antihistamine treatment

A clinician or pharmacist can advise on an appropriate antihistamine. Your age, health, other medicines and any drowsiness matter; follow the agreed instructions.

Review likely triggers

Avoid a confirmed trigger where practical. Broad allergy tests or removing many foods are not routinely helpful without a suggestive history.

Further care when needed

If symptoms remain troublesome despite the initial plan, a specialist can review the diagnosis and discuss additional treatment. Do not increase doses or combine medicines yourself.

YOUR CARE PLAN

How we plan your care.

STEP 01

Review the rash and timing

  • Share the pattern

    Mention how long each patch lasts, any swelling and how often symptoms return.

  • Review exposures and health

    Bring medicine names and note infections or repeatable links to food, temperature or pressure.

A diary and camera for recording symptoms.
STEP 02

Agree on symptom control

  • Make instructions clear

    Discuss how to use treatment and what side effects to watch for.

  • Use tests selectively

    Examination and history guide any tests; not everyone needs an extensive allergy panel.

The temporary swelling beneath a wheal.
STEP 03

Adjust if hives keep returning

  • Track the effect on daily life

    Tell the clinician about sleep disruption and how well treatment controls symptoms.

  • Recheck unusual changes

    A painful patch that stays in one place beyond a day, bruising or fever needs reassessment.

A calendar representing follow-up.

Keep a simple symptom record.

A short diary and photo record.
  1. 01

    Record useful details

    Note the date, a photo, itch and any swelling. A short record is easier to maintain than tracking every possible exposure.

  2. 02

    Reduce irritation

    Loose, comfortable clothing and gentle skin care may help. Avoid overheating if it reliably worsens your symptoms.

  3. 03

    Ask before changing medicines

    Some medicines can worsen hives. Discuss a suspected link with the prescriber rather than stopping important treatment on your own.

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IN OUR PATIENTS’ WORDS

Consultation experiences.

Verified Google review excerpts about consultations and explanations at Layers. The condition is not specified; these are not urticaria treatment results.

MEET THE PEOPLE BEHIND YOUR CARE

Meet our doctors.

FAQs

Common questions.

Ask us on WhatsApp
01Are hives always an allergy?

No. Infections, physical triggers and immune activity can cause hives. Many chronic cases do not have a specific food or environmental allergy.

02Why do patches move around?

Individual wheals often fade while new ones form elsewhere. The rash can look different over a few hours.

03Can someone catch hives from me?

Hives themselves are not contagious. If an infection triggered the episode, advice about that infection may still apply.

04Do I need allergy testing?

Testing is guided by the history. A consistent immediate reaction to a particular exposure may justify it; broad screening is not automatically useful for recurring hives.

05Should I avoid many foods?

Avoid a confirmed allergy and follow your clinician’s advice. Removing multiple foods without a clear reason can make eating difficult without improving chronic hives.

06Can I use antihistamines during pregnancy?

Ask your clinician or pharmacist about the appropriate option if you are pregnant, breastfeeding or taking other medicines. Do not assume every product is suitable.

07What if one patch lasts more than a day?

Arrange a review, especially if it is painful, leaves bruising or occurs with fever. The clinician may need to consider a different cause.

08When should I avoid waiting for an appointment?

Sudden mouth, tongue or throat swelling, difficulty breathing or swallowing, faintness or collapse require emergency medical help.

BOOK A CONSULTATION

Get help with recurring hives.
Make your next steps clear.

Talk through the pattern, your current medicines and the effect on your daily life.

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Patient story

Video from Layers Clinics on YouTube. Individual experiences and results vary.