IT 4 Acne Questions

Front

What is the mechanism of action of doxycycline?

Back

Inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit

Front

What is a common side effect associated with doxycycline therapy?

Back

Photosensitivity

Front

What is a contraindication to the use of doxycycline? Options: Allergy to penicillin, Renal impairment, Hypersensitivity to any tetracycline, Liver cirrhosis

Back

Hypersensitivity to any tetracycline

Front

Why should doxycycline not be taken with iron, antacids, or bismuth subsalicylate?

Back

They can chelate the drug and reduce its absorption.

Front

What counseling point should be emphasized when prescribing doxycycline?

Back

Use sunscreen and avoid tanning beds due to photosensitivity

Front

What is the mechanism of action of benzoyl peroxide in acne treatment?

Back

Works against acne-causing bacteria, reduces inflammation, and decreases sebum

Front

Which of the following is a common side effect of benzoyl peroxide? Bradycardia, Application site erythema, Hyperkalemia, Blurred vision, Tinnitus

Back

Application site erythema

Front

Which of the following is a contraindication to the use of benzoyl peroxide? Hypersensitivity to benzoyl peroxide or any component of the product, Use with isotretinoin, Presence of comedonal acne, Excessive oily skin, Use in adolescents under 18 years old

Back

Hypersensitivity to benzoyl peroxide or any component of the product

Front

Which of the following should generally be avoided when using benzoyl peroxide due to potential reduced efficacy or skin irritation? Clindamycin phosphate, Salicylic acid wash, Topical tretinoin (Retin-A), Oral erythromycin

Back

Topical tretinoin (Retin-A)

Front

Which of the following is an important counseling point for patients starting benzoyl peroxide treatment? Apply a thick layer to maximize effectiveness, Use concurrently with retinoids for better results, Expect immediate results within 2–3 days, Start with a lower concentration to assess skin tolerance, No need for sunscreen during treatment

Back

Start with a lower concentration to assess skin tolerance