Duac Topical Gel (Clindamycin Benzoyl Peroxide) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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May 27, 2012

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Duac Topical Gel

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DUAC®
(clindamycin phosphate and benzoyl peroxide) Gel, 1.2%/5%

DRUG DESCRIPTION

DUAC® Gel contains clindamycin phosphate, (7(S)-chloro-7-deoxylincomycin-2-phosphate), equivalent to 1% clindamycin, and 5% benzoyl peroxide.

Clindamycin phosphate is a water soluble ester of the semi-synthetic antibiotic produced by a 7(S)-chloro-substitution of the 7(R)-hydroxyl group of the parent antibiotic lincomycin.

Clindamycin phosphate is C₁₈H₃₄ClN₂O₈PS. The structural formula for clindamycin phosphate is represented below:

Clindamycin phosphate Structural Formula Illustration

Clindamycin phosphate has a molecular weight of 504.97 and its chemical name is methyl 7chloro-6,7,8-trideoxy-6-(1-methyl-trans-4-propyl-L-2-pyrrolidinecarboxamido)-1-thio-L-threoα-D-galacto-octopyranoside 2-(dihydrogen phosphate).

Benzoyl peroxide is C₁₄H₁₀O₄. It has the following structural formula:

Benzoyl peroxide Structural Formula Illustration

Benzoyl peroxide has a molecular weight of 242.23.

Each gram of DUAC® Gel contains 10 mg (1%) clindamycin, as phosphate, and 50 mg (5%) benzoyl peroxide in a base consisting of carbomer homopolymer (type C), dimethicone, disodium lauryl sulfosuccinate, edetate disodium, glycerin, methylparaben, poloxamer 182, purified water, silicon dioxide, and sodium hydroxide.

What are the possible side effects of benzoyl peroxide and clindamycin topical?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medicine and call your doctor at once if you have any of these serious side effects:

severe redness, burning, stinging, or peeling of treat skin areas; or
diarrhea that is watery or bloody.

Less serious side effects may include:

mild burning or stinging;
itching or tingly...

Read All Potential Side Effects and See Pictures of Duac Topical Gel »

What are the precautions when taking clindamycin benzoyl peroxide (Duac Topical Gel)?

Before using this medication, tell your doctor or pharmacist if you are allergic to benzoyl peroxide; or to clindamycin; or to lincomycin; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: intestinal disorders (e.g., regional enteritis, ulcerative colitis, antibiotic-associated colitis, Clostridium difficile-associated diarrhea).

This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when...

Read All Potential Precautions of Duac Topical Gel »

Last reviewed on RxList: 1/9/2012
This monograph has been modified to include the generic and brand name in many instances.