MRCEM Notes

Conjunctivitis

Conjunctivitis is the most common eye problem presenting to primary care. It is characterised by sore, red eyes associated with a sticky discharge

Bacterial conjunctivitisPurulent discharge
Eyes may be 'stuck together' in the morning)
Viral conjunctivitisSerous discharge
Recent URTI
Preauricular lymph nodes
Allergic conjunctivitisBilateral symptoms
Itch is prominent
May be history of atopy
May be seasonal (due to pollen) or perennial (due to dust mite, washing powder or other allergens)

Management of infective conjunctivitis
  • normally a self-limiting condition that usually settles without treatment within 1-2 weeks
  • topical antibiotic therapy is commonly offered to patients, e.g. Chloramphenicol. Chloramphenicol drops are given 2-3 hourly initially where as chloramphenicol ointment is given qds initially
  • topical fusidic acid is an alternative and should be used for pregnant women. Treatment is twice daily
  • contact lens should not be worn during an episode of conjunctivitis
  • advice should be given not to share towels
  • school exclusion is not necessary

Management of allergic conjunctivitis
  • topical or systemic antihistamines
  • topical mast-cell stabilisers, e.g. Sodium cromoglicate and nedocromil
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