conjunctivitis

Question 1

when is allergic conjunctivitis seen?

Answer 1

Allergic conjunctivitis may occur alone but is often seen in the context of hay fever

Question 2

what are features of allergic conjunctivitis?

Answer 2

Bilateral symptoms conjunctival erythema, conjunctival swelling (chemosis)
Itch is prominent
the eyelids may also be swollen
May be a history of atopy
May be seasonal (due to pollen) or perennial (due to dust mite, washing powder or other allergens)

Question 3

how do you mx allergic conjunctivitis?

Answer 3

first-line: topical or systemic antihistamines
second-line: topical mast-cell stabilisers, e.g. Sodium cromoglicate and nedocromil

Question 4

what is conjunctivitis characterised by?

Answer 4

sore, red eyes associated with a sticky discharge

Question 5

what Is seen in bacterial?

Answer 5

Purulent discharge
Eyes may be ‘stuck together’ in the morning)

Question 6

what is seen in viral?

Answer 6

Serous discharge
Recent URTI
Preauricular lymph nodes

Question 7

what is the mx of infective conjunctivitis?

Answer 7

topical antibiotic therapy is commonly offered to patients, e.g. Chloramphenicol.

topical fusidic acid is an alternative and should be used for pregnant women.

advice should be given not to share towels
school exclusion is not necessary

Question 8

what is mx in infective conjunctivitis for contact lens users?

Answer 8

contact lens users
topical fluoresceins should be used to identify any corneal staining
treatment as above
contact lens should not be worn during an episode of conjunctivitis