Tretinoin

Definition

Tretinoin is a topical retinoid derived from Vitamin A, commonly used in the treatment of acne. It promotes cell turnover and helps unclog pores to reduce acne lesions.

5 Must Know Facts For Your Next Test

1. Tretinoin can cause skin irritation, redness, and peeling, especially during initial use.
2. Patients should apply tretinoin at night since it increases sensitivity to sunlight.
3. It is important to use a moisturizer alongside tretinoin to manage dryness and irritation.
4. Tretinoin should not be used during pregnancy due to potential teratogenic effects.
5. Visible improvements in acne may take several weeks to months of consistent use.

Review Questions

• What are the common side effects of using tretinoin for acne?
• Why should tretinoin be applied at night?
• What precautions should pregnant women take when considering tretinoin?

Related terms

Benzoyl Peroxide:

A topical antiseptic that kills bacteria and reduces oil production, used in acne treatment.

Salicylic Acid:

A beta hydroxy acid that exfoliates the skin and helps unclog pores, commonly used for treating acne.

Isotretinoin:

An oral retinoid used for severe nodular acne that does not respond to other treatments; known for its strong teratogenic effects.