What can be mistaken for allergic conjunctivitis?
Medically Reviewed by Dr Nelson Lau, MBBS FRACGP, GP & Digital Health Specialist

Contents

Types of allergic conjunctivitis
Allergic conjunctivitis can be categorised into several types including:1. Seasonal allergic conjunctivitis (SAC):
This is the most prevalent eye allergy triggered by outdoor allergens such as pollen from trees, grasses or weeds. It occurs when allergens are more active during seasons.2. Perennial allergic conjunctivitis (PAC):
This resembles seasonal eye allergies, but symptoms are present throughout the year. They are caused by indoor allergens such as dust mites, mold, or pet dander.3. Vernal keratoconjunctivitis (VKC):
This is a more severe form of allergic conjunctivitis that manifests as firm, swollen bumps on the upper eyelid due to intense allergic reactions. It is more common in the spring and summer months. VKC can lead to serious complications like corneal ulcers and scarring if not treated promptly.4. Atopic keratoconjunctivitis (AKC):
This is a chronic form of allergic conjunctivitis commonly associated with atopic dermatitis. While vernal keratoconjunctivitis impacts the upper eyelid, AKC is an allergic response that usually targets the lower eyelid. It can also cause corneal damage and permanent vision impairment if not properly treated.5. Giant papillary conjunctivitis (GPC):
This is an allergic condition marked by the formation of larger, raised nodules on the inner surface of the upper eyelid. GPC is usually associated with contact lens use or ocular irritation. Prolonged irritation can damage the cornea and affect vision if not addressed.Also read: Common seasonal allergy symptoms & the best ways to deal with it?
Allergic conjunctivitis symptoms
Symptoms of allergic conjunctivitis include:- Redness of eyes
- Severe or persistent itching
- Watery discharge
- Swelling
- Mild pain
- Burning sensation
- Sensitivity to light
- Urge to rub or scratch the eyes
Differentiating allergy and dry eye symptoms
Differentiating between allergy symptoms and dry eye symptoms can be important for effective treatment. Here’s how to distinguish them:Allergic Symptoms
- Itching: Allergic conjunctivitis usually causes severe itching in the eyes.
- Redness: The eyes may seem red and irritated.
- Watery discharge: Allergies can cause a thin, watery discharge.
- Swelling: There may be swelling of the eyelids and conjunctiva.
- Seasonal patterns: Symptoms are commonly associated with various seasons or environmental triggers such as pollen or pet dander.
- Other symptoms: Other allergic symptoms include sneezing, nasal congestion, and itchy throat.
Dry eyes symptoms
- Dryness: Dry eyes feel dry, gritty, or itchy.
- Burning sensation: Burning and stinging sensations are prevalent.
- Thick mucous: Discharge may be stringier, particularly in the morning.
- Redness: The eyes may appear red due to irritation, but not with acute itching associated with allergies.
- Worsens with screen time: Symptoms frequently worsen after extended screen use or in dry conditions.
- No seasonal patterns: Symptoms are less likely to be associated with certain seasons or allergies.
How can an online doctor help via telehealth?
Online doctors can provide several services through telehealth:- Online doctor: You can connect with a doctor via video or phone call to discuss your symptoms, obtain a diagnosis, and receive treatment suggestions from the comfort of your home.
- Expert referrals: If required, an online doctor might refer you to an ophthalmologist or another expert for additional evaluation and treatment.
- Medication delivery: Prescription and over-the-counter medications can be obtained online and delivered to your house.
- Prescriptions online: Your doctor can write and electronically email prescriptions delivered straight to your inbox.
- Medical certificates online: Obtain sick notes or medical certifications for employment and other purposes via online consultations.
- After-hours care: Get medical advice outside of regular office hours for urgent or non-emergency issues, offering more flexibility for managing your health.
Feeling sick and unsure why? Speak with a GP online in 15 minutes.
Feeling sick and unsure why? Speak with a GP online in 15 minutes.
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Disclaimer
This content is created for informational purposes only. It is not intended to be a substitute for professional medical advice. Always seek the guidance of your doctor or other qualified health professional with any questions you may have regarding your health or a medical condition. For emergencies please immediately contact 000.
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Get affordable healthcare on your terms, with quick access to qualified, Australian-registered telehealth doctors & health practitioners, 24/7, 365 days a year. No more searching for ‘doctors near me‘ – Hola connects you instantly.
Address: 79 St Georges Terrace, Perth WA 6000
For urgent medical help & in case of emergency,
call 000.
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