Week 7 - Antibiotic

Question 1

Antibiotic for blepharitis

Answer 1

Systemic antibiotics
- Anti-inflammatory effect if symptoms of posterior blepharitis (especially with rosacea) not controlled despite adequate eyelid hygiene

If PREGNANT
- Erythromycin 500mg

Children <8years
- liquid suspension 200mg/5ml

Question 2

Antibiotic for periorbital (Preseptal) cellulitis

Answer 2

Flucloxacillin 500mg (12.5mg/kg for children)
Dicloxacillin 500mg

CEFALEXIN
- preferred to dicloxacillin as its better tolerated
500mg (12.5mg/kg for children)

CINDAMYCIN
For patients with intermediate or delayed severe hypersensitivity to penicillin
450mg

Question 3

Concurrent sinusitis/ H influenzae type b infection coupled with periorbital cellulitis

Answer 3

Amoxicillin + clavulanate
cefuroxime

Question 4

Dacrocystitis

Answer 4

Cefalexin 500mg
12.5mg/kg up to 500mg

Question 5

Acute chlamydial conjunctivitis

Answer 5

Treat the disease
Azithromycin 1g
20mg/kg

Question 6

Endophthalmitis

Answer 6

Moxifloxacin
ciprofloxacin

Question 7

Prescribing in Pregnancy

Answer 7

Category A - Amoxicillin, Clindamycin,
Erythromycin, Cefalexin

Category B1 - Amoxicillin with clavulanic acid,
Azithromycin, Flucloxacillin

Category B2 - Dicloxacillin

Category B3 - Moxifloxacin, Ciprofloxacin

Category C - Trimethoprim and Sulfamethoxazole

Category D - Doxycycline