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Related Experiment Videos

More than just an ocular solution.

M Pekdemir1, S Yanturali, G Karakus

  • 1Department of Emergency Medicine, Kocaeli Universty, Kocaeli, Turkey.

Emergency Medicine Journal : EMJ
|September 29, 2005
PubMed
Summary

Apraclonidine eye drops, used for high eye pressure, can cause systemic toxicity similar to oral clonidine overdose with repeated use. Always consider ocular drug toxicity in patients with new systemic issues.

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Area of Science:

  • Ophthalmology
  • Pharmacology
  • Toxicology

Background:

  • Apraclonidine is a topical alpha-adrenergic agonist used to manage elevated intraocular pressure.
  • It is a derivative of clonidine, commonly administered as eye drops.

Observation:

  • This report details the first known case of systemic toxicity from repeated local administration of apraclonidine eye drops.
  • The patient exhibited clinical manifestations consistent with an oral clonidine overdose.

Findings:

  • Repeated topical apraclonidine administration can lead to systemic absorption and toxicity.
  • The toxic effects mimic those of systemic clonidine overdose, including bradycardia, hypotension, and central nervous system depression.

Implications:

  • Ophthalmologists and healthcare providers must be aware of the potential for systemic toxicity with topical apraclonidine.
  • Systemic side effects of ocular medications should be considered in the differential diagnosis of new-onset systemic problems in patients using eye drops.

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