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Medical Areas: Dermatology/Plastic Surgery
Drug Information
The following information is obtained from various newswires, published
medical journal articles, and medical conference presentations.
Company: Dermik Laboratories
Approval Status: Approved November 2000
Treatment Area: Acne vulgaris
Benzamycin is a combination of two active ingredients, benzoyl
peroxide and erythromycin, which has proven effective in stopping
acne-causing bacteria and reducing acne infection. Erythromycin is
an antibiotic produced from a strain of Saccharopolyspora
erythraea, whereas benzoyl peroxide is an antibacterial and
keratolytic agent (causes the break down of keratin).
The term "acne vulgaris" refers to the more common
form of acne, consisting of non-inflammatory and mildly
inflammatory lesions. The more severe form of acne is characterized
by the presence of nodules. Nearly 17 million people in the United
States have acne, making it the most common skin disease. Although
acne is not a serious health threat, severe acne can lead to
disfiguring, permanent scarring, which can be upsetting for people
who suffer from the disorder.
Adverse reactions reported occasionally or associated with the
use of Benzamycin Topical Gel include the following:
- Dryness
- Urticarial reaction (hives, itching)
- Peeling
- Burning sensation
- Inflammation of the face, eyes, and nose
- Skin discoloration
- Oiliness
- Tenderness of the skin
Erythromycin inhibits protein synthesis in susceptible organisms
by reversibly binding to 50 S ribosomal subunits, thereby
inhibiting translocation of aminoacyl transfer-RNA and inhibiting
polypeptide synthesis. Antagonism has been demonstrated in vitro
between erythromycin, lincomycin, chloramphenicol, and
clindamycin.
The exact mechanism by which erythromcyin reduces lesions of
acne vulgaris is not fully known; however, the effect appears to be
due in part to the antibacterial activity of the drug.
Benzoyl peroxide has a keratolytic and desquamative effect which
may also contribute to its efficacy. Benzoyl peroxide has been
shown to be absorbed by the skin where it is converted to benzoic
acid. (from Benzamycin Prescribing Information, www.dermik.com)