Question:
Severe (hyperacute) conjunctivitis is caused by:
Severe (hyperacute) conjunctivitis is caused by:
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Copious purulent hyperacute discharge points to a gram-negative diplococcus.
Updated On: Jun 24, 2026
- Neisseria
- Staphylococcus
- Streptococcus
- Haemophilus
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The Correct Option is A
Solution and Explanation
Step 1: Bacterial conjunctivitis is graded by severity into acute, hyperacute and chronic forms, each with typical organisms.
Step 2: Common acute bacterial conjunctivitis is caused by Staphylococcus aureus, Streptococcus pneumoniae and Haemophilus influenzae.
Step 3: The hyperacute (severe) form, with copious purulent discharge, is caused by Neisseria gonorrhoeae or N. meningitidis. Neisseria gonorrhoeae can produce severe ulcerative keratitis that may rapidly progress to corneal perforation.
Step 4: Because the question asks for the severe form, the answer is Neisseria, while the staphylococcal, streptococcal and haemophilus organisms cause the milder acute or chronic forms.
Step 2: Common acute bacterial conjunctivitis is caused by Staphylococcus aureus, Streptococcus pneumoniae and Haemophilus influenzae.
Step 3: The hyperacute (severe) form, with copious purulent discharge, is caused by Neisseria gonorrhoeae or N. meningitidis. Neisseria gonorrhoeae can produce severe ulcerative keratitis that may rapidly progress to corneal perforation.
Step 4: Because the question asks for the severe form, the answer is Neisseria, while the staphylococcal, streptococcal and haemophilus organisms cause the milder acute or chronic forms.
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