Examples include Acanya

Examples include Acanya Uses, Dosage, Side Effects, Food Interaction and all others data.

Benzoyl peroxide has mild keratolytic effect and antimicrobial activity due to release of free-radical oxygen which oxidizes bacterial protein. It is active against Staphylococcus epidermidis and Propionibacterium acnes.

Benzoyl peroxide is a topical treatment for acne that generates free radicals to break down comedones and increase the rate of epithelial cell turnover. It has a short duration of action as its active free radical metabolites quickly react to form inactive metabolites. The therapeutic index is wide, as overdoses are rare, however patients may still experience skin peeling. Patients should be counselled regarding increased risks of skin irritation, dryness, and sunburn.

Trade Name Examples include Acanya
Generic Benzoyl peroxide + Clindamycin phosphate
Type
Therapeutic Class
Manufacturer
Available Country USA
Last Updated: September 19, 2023 at 7:00 am
Examples include Acanya
Examples include Acanya

Uses

Topical therapy for the treatment of acne vulgaris.

Examples include Acanya is also used to associated treatment for these conditions: Acne, Acne Vulgaris, Inflammatory Acne Vulgaris

How Examples include Acanya works

Acne vulgaris is caused by inflammation in the pilosebaceous gland. Acne is generally caused by increased excretion of sebum from pilosebaceous glands, endocrine factors such as androgenic hormones, keratin developing around follicles, bacterial growth, and inflammation. These factors contribute to the formation of comedones (whiteheads and blackheads).

The peroxide bond of benzoyl peroxide is cleaved to form 2 benzoyloxy radicals. These radicals interact nonspecifically with bacterial proteins, interfering with their function, and survival of the bacteria. Over time, free radical interactions with bacterial proteins lead to decreased keratin and sebum around follicles.

Benzoyl peroxide can also increase the turnover rate of epithelial cells, leading to skin peeling, and breaking down comedones.

Dosage

Examples include Acanya dosage

Adult: As 2.5-10% preparation: Apply 1-2 times daily after cleansing, may gradually increase to tid if needed. Start with lower strength preparations.

As cleanser: Wash 1-2 times daily.

Child: ≥12 yr Same as adult dose.

Side Effects

The major adverse reaction reported to date with Benzoyl Peroxide cutaneous therapy is irritation of the skin including erythema, burning, peeling, dryness, itching, stinging, feeling of skin tension locally at the site of application. This is reversible when treatment is reduced in frequency or discontinued. Allergic contact dermatitis, including face oedema, may occur.

Toxicity

Data regarding overdoses of benzoyl peroxide are not readily available. During an overdose patients may experience and increased risk or severity of adverse effects such as skin itching, burning, peeling, inflammation, and erythema.

The oral LD50 in rats is 490 mg/kg.

Precaution

Children, Pregnancy and lactation.

Interaction

There is no known interaction with other medications which might be used cutaneously and concurrently with Benzoyl Peroxide; however, drugs with desquamative, irritant and drying effects should not be used concurrently with Benzoyl Peroxide gel.

Elimination Route

In a sample of excised skin, 1.9% of a radiolabelled topical dose fully penetrates the skin, and 2.6% remains in the skin. The radiolabelled dose that fully penetrates the skin is recovered as benzoic acid, while the dose in the skin is approximately half benzoic acid and half benzoyl peroxide. 95.5% of a radiolabelled dose is not absorbed or metabolized after 8 hours.

Elimination Route

Benzoyl peroxide's metabolite benzoic acid, is eliminated in the urine. Data regarding fecal elimination is not readily available.

Pregnancy & Breastfeeding use

Pregnancy Category C. Either studies in animals have revealed adverse effects on the fetus (teratogenic or embryocidal or other) and there are no controlled studies in women or studies in women and animals are not available. Drugs should be given only if the potential benefit justifies the potential risk to the fetus.

Contraindication

Benzoyl Peroxide gel is contra-indicated in patients with known hypersensitivity to Benzoyl Peroxide.

Acute Overdose

Benzoyl Peroxide gel is a preparation indicated for topical treatment only. If the medication is applied excessively, no more rapid or better results will be obtained and severe irritation might develop. In this event, treatment must be discontinued and appropriate symptomatic therapy should be instituted.

Storage Condition

Store in a cool and dry place, protected from light.

Innovators Monograph

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*** Taking medicines without doctor's advice can cause long-term problems.
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