A seasonal history or an association with an inhaled allergen is helpful. It is often difficult to associate specific allergens with perennial rhinitis, although late-evening or early-morning symptoms may be seen with dust allergy. Occasionally, improvement of symptoms with a change in environment, such as a vacation, indicates the presence of environmental allergens. A nasal smear, stained with Hansel's stain to identify eosinophils, can support a diagnosis of nasal allergy, but it is not itself diagnostic. An elevated peripheral eosinophil count may be helpful; however, marked allergic symptoms can occur in the absence of blood eosinophilia.

How To Reduce Acne Scarring

How To Reduce Acne Scarring

Acne is a name that is famous in its own right, but for all of the wrong reasons. Most teenagers know, and dread, the very word, as it so prevalently wrecks havoc on their faces throughout their adolescent years.

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