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Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial...
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Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin,...
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The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...
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Ophthalmic drug delivery faces major limitations due to poor absorption across the corneal membrane. This process is primarily driven by diffusion and is influenced by two main factors: the physicochemical properties of the drug and tear drainage. Most ophthalmic drugs, such as pilocarpine, epinephrine, atropine, and local anesthetics, are weak bases. They are typically formulated at an acidic pH to enhance chemical stability. However, this leads to high ionization, reducing their ability to...
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Allergic Contact Dermatitis to Eye Drops.

Yasmeen Jabeen Bhat1, Sumaya Zeerak1, Iffat Hassan1

  • 1Department of Dermatology, STD and Leprosy, Government Medical College, University of Kashmir, Srinagar, Jammu and Kashmir, India.

Indian Journal of Dermatology
|December 18, 2015
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Summary
This summary is machine-generated.

Allergic contact dermatitis (ACD) can affect the eyelids and periorbital areas. This case report highlights ophthalmic eye drops as a potential cause of ACD in this sensitive region.

Keywords:
Contact dermatitiseye dropsperiorbital

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Area of Science:

  • Ophthalmology
  • Dermatology
  • Allergology

Background:

  • Allergic contact dermatitis (ACD) is an immune response to environmental allergens.
  • The eyelids and periorbital areas are common sites for ACD due to topical exposure.
  • Ophthalmic drug preparations are increasingly recognized as potential triggers for ACD.

Purpose of the Study:

  • To report a case of allergic contact dermatitis (ACD) caused by ophthalmic eye drop preparations.
  • To increase awareness among clinicians about ACD from topical eye medications.
  • To emphasize the importance of considering eye drops in the differential diagnosis of periorbital dermatitis.

Main Methods:

  • Case report presentation.
  • Clinical observation of a patient presenting with periorbital dermatitis.
  • Review of potential allergens in topical ophthalmic formulations.

Main Results:

  • The patient developed ACD localized to the eyelids and periorbital region.
  • The ACD was attributed to ingredients within the prescribed eye drop preparation.
  • Diagnostic evaluation confirmed the allergic etiology.

Conclusions:

  • Topical ophthalmic drugs can induce allergic contact dermatitis (ACD) in the periorbital area.
  • Accurate diagnosis and identification of the causative agent are crucial for management.
  • Clinicians should maintain a high index of suspicion for drug-induced ACD in patients with periorbital inflammation.