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Neonatal conjunctivitis

Summary of Neonatal conjunctivitis
In neonatal bacterial conjunctivitis, the baby's eyes are contaminated during passage through the birth canal from a mother infected with either Neisseria gonorrhoeae or Chlamydia trachomatis (most common)Symptoms include mucopurulent discharge, conjunctival hyperemia, edema, and eye discomfort. Erythromycin ointment is applied to the eyes within one hour as prevention against gonococcal ophthalmia, which can cause blindness if left untreated. Viral conjunctivitis in the newborn is usually from adenovirus and enterovirus infection, and is treated with topical antiallergics. Chemical conjunctivitis is the most common overall cause of neonatal conjunctivitis in the first day of life, and is usually caused by the silver nitrate and erythromycin routinely used for all neonates.

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Pathology

Eyes, ears, nose and throat

Eye disorders
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Nasal and nasopharyngeal disorders
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Neonatal conjunctivitis

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Neonatal conjunctivitis

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is the most common bacterial cause of neonatal conjunctivitis.

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USMLE® Step 1 style questions USMLE

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USMLE® Step 2 style questions USMLE

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A 10-day-old infant is brought to the emergency department because of yellow discharge in her right eye. It began two days ago and was initially watery but has become thick, yellow and sticky. Her mother was given a five-day course of antibiotics for a vaginal infection that was diagnosed at the time of delivery. On examination the baby's right eyelid is swollen shut with a mucopurulent discharge on the eyelashes. The left eye appears normal. What is the most likely cause of the baby's symptoms?