AcnePain Definitions
Some words have more than one meaning. Only those meanings relating to this site will be used.
All Definitions A - Z
N
Narrow-Spectrum AntibioticsAntibiotics that affect only a select group of bacterial types. Broad-Spectrum Antibiotics are antibiotics that fight against a wider range of bacteria types.
Nodule
The most severe form of acne lesion, a nodule is a large, pus-filled, often painful lump deep in the skin. Acne with nodules often results in permanent scarring and requires treatment by a physician. Sometimes called an acne cyst. It may range in size from greater than 1.0 cm (3/8 inch) to somewhat less than 2 cm (13/16 inch) in diameter. A nodule may be present in the epidermis, dermis or subcutis - at any level in the skin.
Non-comedogenic
Pronounced - non-ka-mee-doh-jen-ick
Not likely to cause acne, which means it won't clog pores.
Non-inflammatory
In acne, comedones that are not associated with redness in the skin.
Non-invasive
Without puncturing the skin; does not involve penetration or insertion of an instrument or device into any part of the body by puncture, incision, tube or needle. Opposite invasive.
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