Dermatology

Question 1

Management of Acne

• Non Pharm
• Pharm for Comedonal vs Inflammatory

Answer 1

Non-Pharm

• Mild non-soap cleanser OD
• Avoid oil based cosmetics
• Do not pick/squeeze the pimples
• Avoid hot humid environments

Comedonal

1. Benzoyl Peroxide 5% Topical
2. Topical Retinoid - Tretinoin 0.025% topically, every second night for 2 weeks, wash off in am

Inflammatory

1. Benzoyl Peroxide 5% Topical
2. Antibiotic
   - Doxycycline 50-100mg OD or erythromycin 250-500mg BD for 6/52

Also
- Combined OCP - ethinyloestradial+cyproterone 35microg+2mg PO OD

• Spironolactone 25-50mg PO OD

Question 2

What are the side effects of Roaccutane (Isotretinoin)

?

Answer 2

• Potent teratogen, thus requires contraception
• May cause dry skin, eyes, oral mucosa, nose bleeds
• Increased sensitivity to sunlight
• Myalgias and joint stiffness
• Cannot take tetracyclines due to incr risk of intracranial hypertension