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19 Cards in this Set

  • Front
  • Back
Why don't you put steroids into an eye you are unsure of?
Risk of flaring of dendritic ulcer! (herpes)
Define keratitis?
inflammation of cornea
Features of bacterial conjunctivitis?
-sticky eye
-start unilat, can become bilat
Rx for conjunctivitis?
-chloramphenicol (chloromycetin) drops 2-4 hrly
-eye r/w if not better in 72hrs
Similarity b/w a stye and chalazion?
-both are infection of glands, just diff ones
Rx for stye?
-massage w/ hot compress
Characteristics of iritis?
-deep set pain
-assoc w/ H/A, nausea
-can have increased ICP (tf DDx is glaucoma)
Rx for glaucoma?
-pilocarpine to constrict pupil, this helps open up angle (in closed angle glaucoma)
Ix for orbital cellulitis and periorbital cellulitis?
-head CT -> tells you if there is extension
Rx for corneal abrasion?
-chloromycetin drops
-homatropine if severe pain
What is a hyphema?
-blood in ant chamber (can see a fluid level)
What is Seidel's test?
-
Indications for chloramphenicol?
Marketed
-Infections of the eye and lids due to susceptible organisms
Accepted
-Prophylaxis after surgery or superficial trauma
CI to chloramphenicol?
Allergy to chloramphenicol
Adverse effects of chloramphenicol?
Infrequent:
unpleasant taste
Rare:
allergy, eg local reactions, angioedema, anaphylaxis, dermatitis (often moderately severe)
Dosage of chloramphenicol for bacterial conjunctivitis?
Bacterial conjunctivitis:
1 drop every 2–4 hours for 2 days; then if there is improvement, 1 drop 4 times daily for 5 days.
-Ointment may be used as an adjunct to drops at night, or as a single agent 3 times daily, eg in children.
What organisms are you covering for with chloramphenicol?
-broad spectrum bacteriostatic activity against Gram-positive, Gram-negative (except Pseudomonas spp.) and anaerobic bacteria; good ocular penetration
Is there an association between chloramphenicol and aplastic anemia?
-large population based studies have found no association between use of chloramphenicol eye drops and aplastic anaemia
Describe the 3 cloramphenicol products?
-eye drop, 0.5%, 10 mL, Chloromycetin (Pfizer), Chlorsig (Sigma), PBS
-eye drop (single use), 0.5%, 0.5 mL, 20, Minims, Chloramphenicol (Bausch & Lomb)
-eye oint, 1%, 4 g, Chloromycetin (Pfizer), Chlorsig (Sigma), PBS