Is It Acute Urticaria? Skin Reactions and Allergies - Dermatology

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Acute urticaria, commonly known as hives, is a skin reaction characterized by raised, itchy welts that can appear suddenly and may vary in size. The symptoms you describe—itchy, raised lines on the skin that feel painful and have a burning sensation—are indeed consistent with acute urticaria. This condition can be triggered by various factors, including allergens, medications, infections, or even stress.
In your case, the sudden appearance of these welts, especially if they are not due to scratching, suggests that an allergic reaction or another irritant may be at play. Acute urticaria can occur in response to food allergies (such as nuts, shellfish, or eggs), medications (like antibiotics or non-steroidal anti-inflammatory drugs), insect stings, or environmental factors (like pollen or pet dander).
It is important to differentiate acute urticaria from other skin conditions such as atopic dermatitis (eczema) or contact dermatitis, which may also cause itching and redness but typically have different presentations and underlying causes. Atopic dermatitis usually presents with dry, scaly patches, while contact dermatitis is often localized to areas that have come into contact with an irritant or allergen.

To manage acute urticaria, the first step is to identify and avoid any known triggers. Over-the-counter antihistamines, such as diphenhydramine (Benadryl) or cetirizine (Zyrtec), can help alleviate the itching and discomfort associated with hives. In more severe cases, or if the hives are accompanied by other symptoms like difficulty breathing or swelling of the face and throat (angioedema), it is crucial to seek immediate medical attention, as this could indicate a serious allergic reaction known as anaphylaxis.

If you suspect that your symptoms may be related to a specific allergen or irritant, keeping a diary of your activities, foods consumed, and any new products used on your skin can help identify potential triggers. Additionally, consulting with a healthcare provider or an allergist can provide further insights and may involve allergy testing to pinpoint specific sensitivities.

In summary, while your symptoms are indicative of acute urticaria, it is essential to consider the broader context of your health and any potential triggers. If the symptoms persist or worsen, or if you experience any additional concerning symptoms, it is advisable to seek medical evaluation for a comprehensive assessment and tailored treatment plan.