Derm: Acne Vulgaris: Free MSRA Podcast

✅ MSRA Deep Dive: Acne Vulgaris – More Than Skin DeepIn this high-yield revision episode, we break down Acne Vulgaris, a condition that affects up to 95% of adolescents and millions of adults, yet is often misunderstood or dismissed. Whether you’re preparing for the MSRA or refreshing your clinical skills, this deep dive transforms comprehensive revision notes into a crystal-clear, structured guide — covering everything from pathophysiology to treatment and complications.🧠 Key Learning Points📌 Definition• Acne vulgaris is a chronic inflammatory skin condition involving the pilosebaceous units (hair follicles + sebaceous glands)• Presents with comedones, papules, pustules, nodules, and cysts📌 Causes & Pathophysiology• Multifactorial aetiology involving:Hormonal changes (e.g. puberty, PCOS)Increased sebum productionAbnormal follicular keratinisationCutibacterium (formerly Propionibacterium) acnes colonisationInflammation• These interact to create comedones, which can then evolve into inflammatory lesions• Common triggers include:High glycaemic index foodsHumidityComedogenic cosmeticsCertain medications (e.g. corticosteroids, lithium, phenytoin)📌 Risk Factors• Puberty, hormonal fluctuation, positive family history• PCOS, anabolic steroid use, genetic predisposition• Adult-onset acne more common in women, linked to hormonal imbalance📌 Clinical Features• Primary lesions:Whiteheads (closed comedones)Blackheads (open comedones)• Inflammatory lesions:Papules, pustules, nodules, cysts• Secondary lesions:Scarring, post-inflammatory hyperpigmentation, excoriation• Commonly affects:Face (99%), back (60%), chest (15%)• Severity grading:Mild: Comedones, few inflammatory lesionsModerate: Widespread papules/pustulesSevere: Nodules, cysts, scarring📌 Differential Diagnoses• Acne rosacea (middle-aged, no comedones)• Folliculitis, boils, milia, perioral dermatitis• Drug-induced acne• Pityrosporum folliculitis (fungal, trunk-dominant)📌 Investigations• Usually clinical diagnosis• Further tests only if:Severe/refractory casesSuspected PCOS, androgen excess, or pituitary pathology• Consider androgen profile, skin swab for Gram-negative folliculitis if treatment fails📌 Management• Non-pharmacological advice:Avoid irritantsGentle cleansingDo not pick/squeeze lesions• Stepwise pharmacological treatment:Mild: Topical benzoyl peroxide or retinoids (avoid in pregnancy)Moderate: Add topical/oral antibiotics (e.g. lymecycline + benzoyl peroxide)Hormonal: Consider COCP in women with signs of PCOSSevere: Oral isotretinoin (specialist only; teratogenic, requires monitoring)• Scarring: Managed with laser, microneedling, chemical peels, or dermabrasion📌 Referral Criteria• Severe acne, diagnostic uncertainty, scarring, or psychological impact• Specialist referral required for isotretinoin prescribing📌 Prognosis• Usually resolves after adolescence, but can persist or begin in adulthood• 20–35% of cases are moderate/severe• 1 in 5 people experience socially visible scarring📌 Complications• Scarring (typically atrophic)• Hyperpigmentation – especially in darker skin types• Psychological distress – linked to low self-esteem, social isolation, anxiety, depression, even suicidal ideation• Gram-negative folliculitis 📚 Resources for MSRA Revision📄 Revision Notes:https://www.passthemsra.com/topic/acne-vulgaris-revision-notes/💬 Flashcards:https://www.passthemsra.com/topic/acne-vulgaris-flashcards/🧠 Accordion Q&A Notes:https://www.passthemsra.com/topic/acne-vulgaris-accordion-qa-notes/📝 Rapid Quiz:https://www.passthemsra.com/topic/acne-vulgaris-rapid-quiz/📘 Dermatology Course:https://www.passthemsra.com/courses/dermatology-for-the-msra/🏷️ Hashtags#MSRA #MSRARevision #Dermatology #AcneVulgaris #MSRAFlashcards #MSRAQuiz #MSRAAccordions #CutibacteriumAcnes #TeenHealth #SkinConditions #MedicalRevision #PassTheMSRA #FreeMSRA