Medical Causes Of Urticaria

Chronic hives - Symptoms and causes - Mayo Clinic

https://www.mayoclinic.org/diseases-conditions/chronic-hives/symptoms-causes/syc-20352719

The welts that come with hives are caused by the release of immune system chemicals, such as histamine, into your bloodstream. It's often not known why chronic hives happen or why short-term hives sometimes turn into a long-term problem. The skin reaction may be triggered by: 1. Heat or cold 2. Sunlig… See more

Hives (urticaria): Causes, pictures, treatments, and symptoms

https://www.medicalnewstoday.com/articles/157260

Urticaria (Hives): a complete overview — DermNet

https://dermnetnz.org/topics/urticaria-an-overview

What causes urticaria? Weals are due to release of chemical mediators from tissue mast cells and circulating basophils. These chemical mediators include histamine, platelet -activating factor and cytokines. The mediators …

Urticaria - Dermatologic Disorders - Merck Manuals …

https://www.merckmanuals.com/professional/dermatologic-disorders/approach-to-the-dermatologic-patient/urticaria

Acute urticaria ( see Table: Some Causes of Urticaria ) most often results from Type I hypersensitivity reactions A presumptive trigger (eg, drug, food ingestion, …

Urticaria: Evaluation and Treatment | AAFP

https://www.aafp.org/pubs/afp/issues/2011/0501/p1078.html

Urticaria has a lifetime prevalence of approximately 20 percent in the general population. It is caused by immunoglobulin E– and nonimmunoglobulin E–mediated mast …

Causes and Risk Factors of Urticaria (Hives) - Verywell …

https://www.verywellhealth.com/causes-of-urticaria-82866

While urticaria is commonly associated with an allergy to food, medications, and other irritants, it can also have non-allergic causes such as stress, infection, autoimmune disease, and even food poisoning. …

What Are the Main Causes of Urticaria (Hives)?

https://www.medicinenet.com/what_are_the_main_causes_of_urticaria_hives/article.htm

Causes of urticaria. Hives have a number of known triggers, many of which are considered allergens. They include: Some medications, such as antibiotics, aspirin, and ibuprofen. …

Hives: Causes - American Academy of Dermatology

https://www.aad.org/public/diseases/a-z/hives-causes

When the body mistakenly releases histamine and hives develop, the cause is often one of the following: An allergic reaction Overreaction to heat, sweat, or cold …

What Is the Main Cause of Urticaria? - eMedicineHealth

https://www.emedicinehealth.com/what_is_the_main_cause_of_urticaria/article_em.htm

Medical causes for urticaria include the following: Infectious diseases Viral infections such as acute viral syndromes, hepatitis (A, B, and C), Epstein-Barr virus, and herpes simplex …

Why won’t my hives go away? - Harvard Health

https://www.health.harvard.edu/diseases-and-conditions/why-wont-my-hives-go-away

Many things can lead to a temporary case of hives, including allergic reactions to food, medications, bug bites, pollen, latex, or animal dander. Like you, some people also …