Urticaria Specialists in Jeevan Nagar, Delhi

Urticaria, commonly known as hives, is a skin reaction characterized by raised, itchy, red or skin-colored welts that can appear suddenly anywhere on the body a…

What is Urticaria?

Urticaria, commonly known as hives, is a skin reaction characterized by raised, itchy, red or skin-colored welts that can appear suddenly anywhere on the body and often shift location within hours. It results from the release of histamine and other chemicals from mast cells in the skin, causing localized swelling and itching. Episodes can be acute, resolving within six weeks, or chronic, persisting for months or longer without an identifiable trigger. While usually not dangerous, hives can occasionally accompany a more severe allergic reaction requiring urgent care.

Severity

Mild

Prevalence

Common — affects about 20% of people at some point in their lives

Contagious

Causes of Urticaria

Triggered by the release of histamine from mast cells in response to allergens such as certain foods, medications, insect stings, or infections, though many cases have no identifiable trigger, especially in chronic cases. Physical factors like pressure, cold, heat, or sun exposure can also provoke hives in susceptible individuals, and stress can worsen symptoms.

Symptoms of Urticaria

Raised, itchy welts that vary in size and shape, redness or swelling of the skin, welts that move or change location, burning or stinging sensation, swelling of the lips, eyelids, or throat in severe reactions, welts that blanch when pressed

Treatment & Types of Urticaria in Jeevan Nagar, Delhi

Antihistamines are the primary treatment to relieve itching and reduce welt formation, with higher doses or combination antihistamines used for more persistent cases. Chronic urticaria unresponsive to antihistamines may require additional medications such as omalizumab, and severe allergic reactions with swelling of the airway require emergency epinephrine treatment.

Urticaria (hives) is classified by duration as acute, resolving within six weeks and often linked to an identifiable trigger like a food, medication, or infection, versus chronic, persisting for months or longer, frequently without any identifiable cause. It is also classified by trigger type as allergic, resulting from an immune reaction to a specific substance, or physical (inducible), provoked by pressure, cold, heat, or sun exposure, a distinction that helps guide both trigger avoidance and choice of treatment.

Dermatology Specialists in Jeevan Nagar, Delhi (0)

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Frequently Asked Questions

What is the difference between acute and chronic urticaria?

Acute urticaria resolves within six weeks and is often linked to an identifiable trigger such as a food, medication, or infection, while chronic urticaria persists for months or longer, frequently without any identifiable cause despite thorough evaluation. Chronic cases often need a more sustained, stepped treatment approach compared with the usually short-lived acute form.

Do hives always mean I'm having an allergic reaction?

Not always — while allergens such as certain foods, medications, or insect stings can trigger hives, physical factors like pressure, cold, heat, or sun exposure can also provoke them in susceptible individuals, and many chronic cases have no identifiable trigger at all. Keeping a symptom diary can help identify patterns when a specific trigger isn't obvious.

When are hives a medical emergency?

Swelling of the lips, eyelids, or throat alongside hives can signal a more severe allergic reaction affecting the airway, which requires emergency epinephrine treatment and immediate medical attention rather than waiting to see if it resolves. This is different from typical hives limited to the skin, which are uncomfortable but not usually dangerous.

Can chronic urticaria be treated if antihistamines don't work?

Yes, chronic urticaria unresponsive to standard antihistamines may respond to higher doses, combination antihistamines, or additional medications such as omalizumab, which target the underlying immune mechanism more directly. A dermatologist or allergist can guide this stepped approach for cases that don't improve with initial treatment.

Is stress a real trigger for hives?

Yes, stress can worsen urticaria symptoms even when it isn't the sole cause, so managing stress alongside identifying and avoiding other known triggers is a recommended part of an overall management plan. This is particularly relevant for people with chronic urticaria where flares can feel unpredictable.

Learn more about Urticaria (symptoms, causes, treatment)

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