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Related Concept Videos

Allergic Drug Reactions01:27

Allergic Drug Reactions

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Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing...
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Open Angle Glaucoma: Treatment01:27

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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
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Allergic Reactions02:06

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Overview
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Angle Closure Glaucoma: Treatment01:28

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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs01:25

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Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
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Glaucoma: Overview01:25

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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Related Experiment Video

Updated: Nov 1, 2025

A Non-invasive Way to Isolate and Phenotype Cells from the Conjunctiva
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Allergic Conjunctivitis: An Update.

Arthur Mueller1

  • 1Direktor der Klinik und Poliklinik für Augenheilkunde, Universitätsklinikum Augsburg, Augsburg, Germany. arthur.mueller@uk-augsburg.de.

Handbook of Experimental Pharmacology
|June 17, 2021
PubMed
Summary
This summary is machine-generated.

Allergic conjunctivitis, an eye inflammation often caused by airborne allergens, presents with chemosis and itching. Differentiating it from infectious causes is crucial for proper treatment.

Keywords:
AllergyAtopic conjunctivitisConjunctivitisEyeHay fever conjunctivitisSeasonal allergic conjunctivitisVernal conjunctivitis

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Area of Science:

  • Ophthalmology
  • Allergology
  • Immunology

Background:

  • Conjunctivitis, a common eye condition, presents with a

Purpose of the Study:

  • To differentiate infectious from non-infectious conjunctivitis, focusing on allergic conjunctivitis.
  • To detail the subtypes, clinical signs, and triggers of allergic conjunctivitis.

Main Methods:

  • Review of clinical presentations and etiological factors of allergic conjunctivitis.
  • Classification of allergic conjunctivitis into distinct forms.

Main Results:

  • Allergic conjunctivitis is a non-infectious inflammation triggered by allergens like airborne particles, drugs, or animal dander.
  • Key clinical sign is chemosis, with itching as a common complaint.
  • Subtypes include seasonal, atopic, and vernal conjunctivitis, each with unique features.

Conclusions:

  • Accurate diagnosis and differentiation of allergic conjunctivitis subtypes are essential for effective management.
  • Understanding distinct clinical features and causative agents guides targeted therapeutic strategies.