Asian needle ants, now in 19 states from Florida to Washington, can cause severe allergic reactions and even death with a ...

An itchy scalp may be related to your hair-washing schedule, but may stem from various other causes, including skin ...

Summer allergies are upon us, and forecasts show the tree and grass pollen outlook will be moderate to high this week.

Learn about the symptoms of physical urticaria, along with possible causes and triggers, diagnosis, and treatment.

Acute urticaria and/or angioedema: With these conditions, hives or swelling lasts less than 6 weeks. The most common causes are foods, medicines, latex, and infections. Insect bites or a disease ...

Understanding the causes, symptoms, treatment options, and why urticaria may worsen at night is essential for effective management. Urticaria is an inflammatory skin disorder.

According to a new systematic review of food chemical component studies, low or elimination diets may improve reported symptoms for chronic urticaria, aspirin-exacerbated respiratory disease ...

Chronic spontaneous urticaria is an inflammatory skin disease that causes hives that last for at least six weeks, according to Joshua Zeichner, MD, the director of cosmetic and clinical research ...

If your hives haven’t fully subsided after a week, or they’re interfering with your day-to-day life, let your doctor know. “Stress hives should be addressed if they cause severe personal or ...

For 18 years a woman suffered from an episodic illness featuring hives and fevers that stumped doctors. The cause, discovered after surgery, was mind-blowing.

Hives Causes. There are several types of hives, including: Acute urticaria. These are hives that last less than 6 weeks. The most common causes are foods, medications, and infections.

The international consensus guideline classifies acute urticaria as daily or almost daily symptoms lasting 6 weeks or less, and chronic urticaria as symptoms that wax and wane for longer than 6 weeks.