2. Vasculitis: MedlinePlus
Vasculitis is an inflammation of the blood vessels. It happens when the body's immune system attacks the blood vessel by mistake. The cause is often unknown. Vasculitis can affect arteries, veins and capillaries. Arteries are vessels that carry bl...
MedlinePlus (Offsite)

3. Allergic Rhinitis
Allergic rhinitis, often called allergies or hay fever, occurs when your immune system overreacts to particles in the air that you breathe—you are allergic to them. Your immune system attacks the particles in your body, causing symptoms such as sn...
Healthline.com (OMS Preferred Provider)

4. What is Allergic rhinitis?
Allergies are caused by an over-sensitive immune response. The immune system normally protects the body against harmful substances such as bacteria and viruses. Allergy symptoms occurs when the immune system reacts to substances (allergens) that a...
MedHelp Q&A

5. Allergic vasculitis
Allergic vasculitis is an extreme reaction to a drug, infection, or foreign substance that leads to inflammation and damage to blood vessels of the skin.
www.uhseast.com

6. Allergic Skin Rash Pictures - HealthCentral
Every individual has different IgE antibodies, and each allergic substance stimulates production of its own specific IgE.
www.healthcentral.com

7. Hardin MD : Pictures of Allergic Reactions
ADAM Health Encyclopedia, NLM MEDLINEplus; Hypersensitivity reactions (Scroll down for pictures)ADAM Health Encyclopedia, NLM MEDLINEplus; Hypersensitivity reactions (Scroll down for pictures)
www.lib.uiowa.edu

8. Allergic Vasculitis - Symptoms, Diagnosis, Treatment of Allergic Vasculitis - NY Times Health Information
Allergic vasculitis is hypersensitivity to a drug or foreign substance that leads to inflammation and damage to blood vessels of the skin.
health.nytimes.com

9. What is Vasculitis?
One of the nurses I work with has just started volunteering for the Vasculitis Foundation, and she asked me to write a column about vasculitis to increase awareness of these often misunderstood diseases.
www.vasculitisfoundation.org

10. Vasculitis
Vasculitis is the inflammation of the body’s blood vessels. Vasculitis can affect very small blood vessels (capillaries), medium-size blood vessels (arterioles and venules), or large blood vessels (arteries and veins). Ifin a vessel with vasculiti...
my.clevelandclinic.org