Page 109 - Community pharmcy practice E-book 2025

02/11/2025, 00:29

using the product less frequently or in a lower concentration
Note that use of other acne medications with this product may cause excessive dryness
and peeling. Do this only as directed by a health care provider

Patient Counseling & Precautions for Salicylic Acid Use:

If excessive peeling occurs, limit use to once daily or every other day
Salicylic acid may cause sun sensitivity, so limit sun exposure and use a broad- spectrum
sunscreen with an SPF of 15 or higher
Application of these products should be limited to the affected area, as use over extensive
surfaces for prolonged periods may result in toxicity
Signs and symptoms of salicylate toxicity include nausea, vomiting, dizziness, hearing
loss, tinnitus, inner ear damage, and hypersensitivity
In 2014, FDA warned of potentially life-threatening hypersensitivity reactions for
nonprescription anti-acne products containing salicylic acid or BP

Sulfur

This medication can be applied 1–3 times daily, but its use is limited by its chalky yellow
color and characteristic unpleasant odor
Patients who are allergic to sulfa drugs should not use sulfur containing acne products

Non-Prescription Medications

Selection of OTC anti-acne Product should be based on individual patient needs, skin
type, and severity of acne
Most commonly available nonprescription products contain adapalene, benzoyl peroxide,
salicylic acid, or sulfur
These products come in a variety of formulations (e.g., cleansers, creams, gels, astringents)
Benzoyl peroxide and adapalene are the most effective nonprescription medications for
treating mild acne
Combine the smallest number of agents at the lowest possible dosages to ensure
efficacy, safety, avoidance of resistance

108