Medically reviewed by Deeptej Singh, MD Key Takeaways Allergies can cause hives, and foods like nuts, milk, and eggs are common triggers.Environmental factors like sunlight, water, and heat can cause ...

Chronic urticaria is defined as wheals (hives), angioedema (swelling), or both that have been continuously or intermittently present for at least 6 weeks, 1,2 in contrast to acute urticaria, which is ...

Urticaria affects 10% to 25% of the population at some point in their life (Henderson, Fleischer, & Feldman, 2000). It is characterized by short-lived swellings of the skin, mouth, and genitalia ...

Chronic Urticaria Awareness Day occurs on October 1 and has been celebrated worldwide every year since 2014. The celebration aims to raise awareness about chronic hives and foster a sense of community ...

Peer support groups can help you manage the mental and physical challenges of living with chronic hives. You can find support through social media, online discussion forums, and local in-person groups ...

Chronic idiopathic urticaria involves hives that persist for six weeks or longer. The condition’s symptoms include raised, itchy welts on the skin, which may cause itching, burning, or stinging ...

"Medical Journeys" is a set of clinical resources reviewed by physicians, meant for the medical team as well as the patients they serve. Each episode of this journey through a disease state contains ...

Among infants, most cases of urticaria of unknown etiology are acute urticaria (AU) and self-resolve, even when the cause is not identified. The mean age of the infants at their first visit for ...

Urticaria affects both children and adults, with chronic cases more common in women, and often presents in emergency or dermatology settings. Conditions like vasculitic urticaria, erythema multiforme, ...

In the majority of patients with chronic spontaneous urticaria, most currently available therapies do not result in complete symptom control. Ligelizumab is a next-generation high-affinity humanized ...

Solar urticaria, also called sun allergy rash, is a rare dermatological condition. People with this condition develop an itchy, red rash when their skin is exposed to sunlight. If solar urticaria is ...

Reviewed by Steven R. Feldman, MD, PhD, Professor of Dermatology, Pathology and Social Sciences & Health Policy, Wake Forest School of Medicine, Winston-Salem, North Carolina "Medical Journeys" is a ...