FROM OUR EXPERTS
What Is Cockroach Allergy?
When most people think of allergy "triggers," they often focus
on plant pollens, dust, animals and stinging insects. In fact,
cockroaches also can trigger allergies and asthma.
Cockroach allergy was first reported in 1943, when skin rashes
appeared immediately after the insects crawled over patients' skin.
Skin tests first confirmed patients had cockroach allergy in
In the 1970s, studies made it clear that patients with cockroach
allergies develop acute asthma attacks. The attacks occur after
inhaling cockroach allergens and last for hours. Asthma has
steadily increased over the past 30 years. It is the most common
chronic disease of childhood. Now we know that the frequent
hospital admissions of inner-city children with asthma often is
directly related to their contact with cockroach allergensthe
substances that cause allergies. From 23 percent to 60 percent of
urban residents with asthma are sensitive to the cockroach
Each week, Health and Beauty Expert Sue Chung will discuss skin health topics suggested by members of the HealthCentral community. To ask Sue a question, send an email to email@example.com . That old phrase about a cure being worse than the disease could have been invented specifically for cancer. Cancer alone can do a number on your health. However, the treatment works by controlling the rapid growth of cancerous cells and the harsh nature of the therapy often results in a variety of side effects and physical reactions that leave your skin red, raw, sensitive and sore. Radiation therapies target cancer cells by slowing their rate of proliferation. New skin cells form in the deeper layers of our skin and move outwards rapidly in order to replace the dead cells we slough off at the surface on a daily basis. The similarly fast-paced rate of turnover for both kinds of cells means that radiation interferes with our healthy skin cells as a type of collateral ...
Alternative Names Strawberry mark; Vascular skin changes; Angioma cavernosum; Capillary hemangioma; Hemangioma simplex Symptoms Skin markings that look like blood vessels Skin rash or lesion that is red The different types of birthmark have their own appearance and typical location: Cavernous hemangiomas may appear as a red-blue spongy mass of tissue filled with blood. Port-wine stains are most often located on the face. The size varies from very small to over half of the body surface. Salmon patches are small, pink, flat spots. They are small blood vessels (capillaries) that are visible through the skin. They are most common on the forehead, eyelids, upper lip, between the eyebrows, and on the back of the neck. Salmon patches may be more noticeable when the infant cries or during temperature changes. Strawberry hemangiomas may appear anywhere on the body, but are most common on the neck and face. They consist of small, closely packed blood vessels. Signs and tests A health care provider should ...
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