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Infective Conjunctivitis: Free MSRA Podcast

Infective Conjunctivitis: Free MSRA Podcast

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 👁️ Infective Conjunctivitis (Pink Eye) – Rapid MSRA Deep DiveA high-yield summary of this common cause of red eye. Perfect for MSRA prep, GP practice, and ophthalmology triage.🧠 Definition• Inflammation of the conjunctiva from infection• Red, sore, sticky or watery eyes• Usually viral or bacterial; rarely fungal/parasitic🧫 Causes• Bacterial: – Common: Staph. aureus, Strep. pneumoniae, H. influenzae – Serious: N. gonorrhoeae (emergency), C. trachomatis• Viral: – Common: Adenovirus (linked with URTI) – Others: HSV (avoid steroids)⚠️ Risk Factors• Young children, school/nursery attendance• Poor hygiene, close contact• Pre-existing eye disease, immunosuppression• Contact lens use🔬 Pathophysiology• Infection via direct contact or droplets• Bacterial: Purulent, sticky discharge (yellow/green)• Viral: Watery discharge, preauricular lymph node, URTI signs👁️ Clinical Features• Red eye, discharge (type varies by cause)• Gritty/burning sensation• Mild photophobia• Vision typically normal• Often bilateral, but starts in one eye• Preauricular lymphadenopathy → viral📋 Differential Diagnosis• Allergic conjunctivitis (itching, stringy discharge)• Keratitis, uveitis, scleritis, dry eye, blepharitis• Contact lens-related infection• Chemical/irritant conjunctivitis📊 Epidemiology• Common – 1% of GP visits• ⅓ of all primary care eye presentations• Most frequent in children <7• Peaks in winter/early spring🩺 Investigations• Clinical diagnosis• Swab if: recurrent, neonatal, severe, atypical, STI suspected💊 Management• Viral: – Supportive: lubricants, cold compresses – No antibiotics – resolves in 1–3 weeks• Bacterial: – Mild: Self-limiting (5–7 days) – Moderate/severe: Chloramphenicol or fusidic acid – Contact lens wearers: Refer (risk of keratitis) – Advise: hand hygiene, avoid lens use, don’t share towels🚨 Urgent Referral If• Neonate• Severe pain or photophobia• Reduced vision• Contact lens wearer with symptoms• Hyperacute/chronic discharge• Corneal involvement suspected⚠️ Complications• Usually mild• Risk of keratitis or ulceration in contact lens users• Chronic conjunctivitis, scarring, or vision loss in severe/untreated cases• Trachoma: repeated chlamydial infection → blindness (global issue)📚 Infective Conjunctivitis MSRA Resources📝 Notes: https://www.passthemsra.com/topic/infective-conjunctivitis-revision-notes/🧠 Flashcards: https://www.passthemsra.com/topic/infective-conjunctivitis-flashcards/📖 Q&A: https://www.passthemsra.com/topic/infective-conjunctivitis-accordion-qa-notes/🎯 Rapid Quiz: https://www.passthemsra.com/topic/infective-conjunctivitis-rapid-quiz/🧪 Full Quiz: https://www.passthemsra.com/quizzes/infective-conjunctivitis/🌐 More: https://www.passthemsra.com | https://www.freemsra.com🏁 Summary Takeaways• Red, watery or sticky eyes = common viral/bacterial cause• Viral = watery, preauricular node, post-URTI• Bacterial = thick yellow-green discharge• Supportive care first; antibiotics only when needed• Check red flags: neonates, pain, reduced vision, contact lenses#MSRA #PinkEye #Conjunctivitis #MSRARevision #Ophthalmology #PasstheMSRA #FreeMSRA #GPRevision #MedicalEducation #EyeInfection #MSRAFlashcards #MSRAQuiz #UKGuidelines #Chloramphenicol #ContactLensCare

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