Benzoyl peroxide

Definition

Benzoyl peroxide is a topical medication commonly used to treat acne. It works by reducing bacteria and causing the skin to dry and peel.

5 Must Know Facts For Your Next Test

1. Benzoyl peroxide is available in various strengths, typically ranging from 2.5% to 10%.
2. It has antibacterial properties that target Cutibacterium acnes (formerly Propionibacterium acnes).
3. Common side effects include dryness, redness, and peeling of the skin.
4. Combining benzoyl peroxide with other acne treatments like antibiotics can enhance its effectiveness.
5. Patients should avoid excessive sun exposure when using benzoyl peroxide as it can increase sun sensitivity.

Review Questions

• What is the primary mechanism by which benzoyl peroxide treats acne?
• List two common side effects of benzoyl peroxide.
• Why should patients using benzoyl peroxide limit their sun exposure?

Related terms

Salicylic Acid:

A beta hydroxy acid used in acne treatment for its exfoliating properties.

Retinoids:

A class of compounds derived from vitamin A used to promote cell turnover in acne treatment.

Clindamycin:

An antibiotic often combined with benzoyl peroxide to treat acne by reducing bacteria and inflammation.