Table of Contents
Can allergic reaction cause vasculitis?
Hypersensitivity vasculitis, or cutaneous small vessel vasculitis, is caused by: An allergic reaction to a drug or other foreign substance. A reaction to an infection.
What does hypersensitivity vasculitis look like?
Hypersensitivity vasculitis may look like systemic, necrotizing vasculitis, which can affect blood vessels throughout the body and not just in the skin. In children, it can look like Henoch-Schonlein purpura.
Will hypersensitivity vasculitis go away?
Hypersensitivity vasculitis most often goes away over time. The condition may come back in some people. People with ongoing vasculitis should be checked for systemic vasculitis.
How is hypersensitivity vasculitis treated?
Mild cases of hypersensitivity vasculitis are usually self-limited and treated with supportive care. Elevation of the legs or use of compression stockings may be helpful because the disease often affects dependent areas. NSAIDs, analgesics, or antihistamines can be used to treat symptoms of burning, pain, and pruritus.
What is a vascular rash?
The word “vasculitis” relates to blood vessel inflammation and damage. This inflammation and damage causes palpable purpura, the main sign of vasculitis. These spots may appear purple or red. You’ll most likely find them on your legs, buttocks, and torso. You might also develop blisters or hives on your skin.
Do Antihistamines help vasculitis?
Antihistamines may serve as an adjunctive agent to relieve the itching or burning associated with urticarial vasculitis. Given alone, they usually provide only symptomatic relief.
What does vasculitis of skin look like?
Common vasculitis skin lesions are: red or purple dots (petechiae), usually most numerous on the legs. larger spots, about the size of the end of a finger (purpura), some of which look like large bruises. Less common vasculitis lesions are hives, an itchy lumpy rash and painful or tender lumps.
Does allergic vasculitis itch?
Recognizing the symptoms of hypersensitivity vasculitis These spots may appear purple or red. You’ll most likely find them on your legs, buttocks, and torso. You might also develop blisters or hives on your skin. Hives are potentially itchy bumps that appear on the skin as a result of an allergic reaction.
Are vasculitis spots itchy?
Symptoms. Urticarial vasculitis usually begins with an eruption of skin lesions (wheals) and hives (urticaria), which cause itching, pain and burning sensations. Skin patches are often red-rimmed with white centers, and may have petechia—red or purple pinpoint spots caused by bleeding under the skin.