Chlamydia conjunctivitis: Difference between revisions

Latest revision as of 17:14, 4 February 2026

Background

Caused by Chlamydia

Conjunctivitis Types

Types

Trachoma
- Serotypes A through C
- Chronic keratoconjunctivitis
- Most common form of preventable blindness in the world
Inclusion conjunctivitis
- Serotypes D through K
- Common, primarily sexually transmitted disease
- Affects both newborns and adults

Clinical Features

Chlamydial conjunctivitis.

Newborns

Tearing
Conjunctival inflammation
Eyelid swelling
Moderate discharge
Starting 5-12 days after birth

Adults

Infection can be subacute or chronic
Most common in young, sexually active persons aged 18 to 30 years
Unilateral or bilateral redness
Foreign body sensation
Mucopurulent discharge
Pre-auricular adenopathy

Differential Diagnosis

Unilateral red eye

Nontraumatic
- Acute angle-closure glaucoma^
- Anterior uveitis
- Conjunctivitis
- Corneal erosion
- Corneal ulcer^
- Endophthalmitis^
- Episcleritis
- Herpes zoster ophthalmicus
- Inflamed pinguecula
- Inflamed pterygium
- Keratoconjunctivitis
- Keratoconus
- Nontraumatic iritis
- Scleritis^
- Subconjunctival hemorrhage
Orbital trauma

^Emergent diagnoses
^^Critical diagnoses

Bilateral red eyes

Painful
Painless

Evaluation

Workup

Diagnosis

Management

Adult

Systemic antibiotics
Azithromycin 1g PO x1 or doxycycline 100 mg BID for 7 days
Topical antibiotics
- Topical erythromycin ointment BID-TID x2-3 weeks
Consider ceftriaxone for empiric gonorrhea coverage

Neonatal

Inclusion conjunctivitis

Systemic antibiotics
- Erythromycin elixir 50mg/kg/d divided QID
Topical antibiotics
- Erythromycin ointment QID
Consultation with ophthalmology
- Special cultures may be required

Disposition

Discharge with ophtho follow-up.

References

Authors:

@@ Line 1: / Line 1: @@
 ==Background==
+*Caused by [[Chlamydia]]
+{{Conjunctivitis DDX}}
-==DDx==
+===Types===
-[[Eye Algorithm (Main)]]
+*Trachoma
+**Serotypes A through C
+**Chronic [[keratoconjunctivitis]]
+**Most common form of preventable blindness in the world
+*Inclusion conjunctivitis
+**Serotypes D through K
+**Common, primarily sexually transmitted disease
+**Affects both newborns and adults
-==Treatment==
+==Clinical Features==
-#PO erythromycin x 14D; CTX for gonorrhea
+[[File:Chlamydial-conjunctivitis.jpg|thumb|Chlamydial conjunctivitis.]]
+===Newborns===
+*Tearing
+*Conjunctival inflammation
+*Eyelid swelling
+*Moderate discharge
+*Starting 5-12 days after birth
+===Adults===
+*Infection can be subacute or chronic
+*Most common in young, sexually active persons aged 18 to 30 years
+*Unilateral or bilateral redness
+*Foreign body sensation
+*Mucopurulent discharge
+*Pre-auricular adenopathy
+==Differential Diagnosis==
+{{Unilateral red eye DDX}}
+{{Bilateral Red Eyes}}
+==Evaluation==
+===Workup===
+===Diagnosis===
+==Management==
+===Adult===
+*Systemic antibiotics
+*[[Azithromycin]] 1g PO x1 or doxycycline 100 mg BID for 7 days
+*Topical antibiotics
+**Topical [[erythromycin]] ointment BID-TID x2-3 weeks
+*Consider [[ceftriaxone]] for empiric gonorrhea coverage
+===Neonatal===
+Inclusion conjunctivitis
+*Systemic antibiotics
+**[[Erythromycin]] elixir 50mg/kg/d divided QID
+*Topical antibiotics
+**[[Erythromycin]] ointment QID
+*Consultation with ophthalmology
+**Special cultures may be required
+==Disposition==
+*Discharge with ophtho follow-up.
 ==See Also==
-[[Conjunctivitis]]
+*[[Conjunctivitis]]
+*[[Chlamydia]]
+==References==
+<References/>
-==Source==
-*Mahmood AR, Narang AT. Diagnosis and management of the acute red eye. Emerg Med Clin N Am. 2008;26:35-55.
-[[Category:Ophtho]]
+[[Category:Ophthalmology]]
 [[Category:ID]]