Allergic conjunctivitis history and symptoms

Allergic conjunctivitis Microchapters
Home
Patient Information
Overview
Historical Perspective
Classification
Pathophysiology
Causes
Differentiating Allergic Conjunctivitis from other Diseases
Epidemiology and Demographics
Risk Factors
Natural History, Complications and Prognosis
Diagnosis
History and Symptoms
Physical Examination
Laboratory Findings
Other Diagnostic Studies
Treatment
Medical Therapy
Surgery
Primary Prevention
Secondary Prevention
Cost-Effectiveness of Therapy
Future or Investigational Therapies
Case Studies
Case #1
Allergic conjunctivitis history and symptoms On the Web
recent articles
Most cited articles
Review articles
CME Programs
Powerpoint slides
Images
American Roentgen Ray Society Images of Allergic conjunctivitis history and symptoms All Images X-rays Echo & Ultrasound CT Images MRI
Ongoing Trials at Clinical Trials.gov
National Guidelines Clearinghouse
NICE Guidance
FDA on Allergic conjunctivitis history and symptoms
CDC on Allergic conjunctivitis history and symptoms
Allergic conjunctivitis history and symptoms in the news
Blogs on Allergic conjunctivitis history and symptoms
Directions to Hospitals Treating Allergic conjunctivitis
Risk calculators and risk factors for Allergic conjunctivitis history and symptoms

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

The symptoms are due to release of histamine and other active substances by mast cells, which stimulate dilation of blood vessels, irritate nerve endings and increase secretion of tears.

History and Symptoms

Clinical History

Allergic conjunctivitis is frequently characterized by a personal history of allergies and/or atopy and occurrence of similar episodes in the past. Itchiness and diffuse bulbar and tarsal conjunctival injection are the most commonly reported symptoms and almost univerally present in all the subtypes.

SAC and PAC

• Bilateral, clean, watery discharge with minimal crusting

VAC

• Bulleted list item