Conjunctivitis
Ophthalmology · Ophthalmological
Mild
Severity
Very common — one of the most frequent reasons for eye clinic visits worldwide
Prevalence
Yes
Contagious
Ophthalmology
Specialist
📖What is Conjunctivitis?
Conjunctivitis, commonly known as pink eye, is inflammation of the conjunctiva, the thin transparent membrane covering the white of the eye and lining the inner surface of the eyelids. It can be caused by viral or bacterial infection, allergens, or chemical irritants, and typically presents with redness, discharge, and discomfort in one or both eyes. Viral conjunctivitis is highly contagious and often accompanies a common cold, while bacterial conjunctivitis produces thicker discharge and allergic conjunctivitis is linked to seasonal or environmental triggers. Most cases are self-limiting and resolve within one to two weeks, though prompt hygiene measures help prevent further spread.
Severity
Mild
Specialty
Ophthalmology
Prevalence
Very common — one of the most frequent reasons for eye clinic visits worldwide
Contagious
Yes
Category
Ophthalmological
Treatment
Available
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Warning Signs — When to Seek Immediate Help
- Sudden severe worsening of Conjunctivitis symptoms not responding to prescribed treatment
- Difficulty breathing, chest tightness, or rapid heartbeat associated with Conjunctivitis
- High fever (above 39 °C / 102 °F) that does not improve with medication after 24 hours
- Confusion, altered consciousness, severe weakness, or inability to stand or speak clearly
- Signs of rapidly spreading infection — increasing redness, swelling, or skin changes
- Symptoms occurring in infants, elderly (65+), pregnant women, or immunocompromised individuals
- No improvement after 48–72 hours of prescribed Conjunctivitis treatment
- New or different symptoms suggesting spread to other organ systems
🤒Common Symptoms
🔬Causes & Risk Factors
- 1Viral conjunctivitis is most often caused by adenoviruses and spreads easily through contact with infected eye or respiratory secretions. Bacterial conjunctivitis results from organisms such as Staphylococcus or Streptococcus species entering the eye. Allergic conjunctivitis is triggered by exposure to allergens like pollen
- 2dust mites
- 3or pet dander
- 4while irritant conjunctivitis can result from chemicals
- 5smoke
- 6or chlorine exposure.
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🩺How Doctors Diagnose Conjunctivitis
- 1Physical examination and complete medical history review by a Ophthalmology specialist
- 2Laboratory investigations — blood tests, urine analysis, and culture studies as indicated
- 3Imaging studies such as X-ray, ultrasound, MRI, or CT scan depending on the suspected cause
- 4Biopsy, endoscopy, or other invasive diagnostic procedures if required
- 5Specialist consultation and further tests based on initial findings
- 6Regular monitoring and follow-up to assess disease progression and treatment response
💊Treatment Options
- 1Viral conjunctivitis is managed supportively with cool compresses
- 2lubricating drops
- 3and time
- 4since antibiotics are ineffective against viruses. Bacterial conjunctivitis is treated with topical antibiotic eye drops or ointment prescribed by a physician. Allergic conjunctivitis responds well to antihistamine or mast-cell stabilizer eye drops along with avoiding the triggering allergen wherever possible.
🛡️Prevention of Conjunctivitis
- 1frequent handwashing
- 2avoiding touching or rubbing the eyes
- 3not sharing towels
- 4pillows
- 5or eye makeup
- 6replacing contact lenses and lens solutions regularly
- 7avoiding close contact with actively infected individuals
- 8disinfecting commonly touched surfaces
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Disease Progression Timeline
Onset
Conjunctivitis begins with mild or non-specific symptoms that may be easy to overlook. Early self-care may help at this stage.
Development
If untreated, symptoms gradually worsen. Medical evaluation is recommended when symptoms persist or affect daily activities.
Treatment Phase
With proper diagnosis and treatment from a Ophthalmology specialist, most patients experience significant improvement.
Recovery & Maintenance
Many patients achieve full recovery or effective long-term management with regular check-ups and healthy lifestyle habits.
Conjunctivitis Treatment Cost in India (2024–25)
| Service | Govt / Budget | Private |
|---|---|---|
| Ophthalmology Consultation | ₹300 – ₹1,500 | ₹1,500 – ₹5,000 |
| Diagnostic Tests (Basic) | ₹500 – ₹3,000 | ₹3,000 – ₹10,000 |
| Advanced Imaging (MRI/CT) | ₹2,000 – ₹6,000 | ₹6,000 – ₹25,000 |
| Hospitalisation (if required) | ₹5,000 – ₹20,000 | ₹25,000 – ₹1 lakh |
| Medications (Monthly) | ₹300 – ₹2,000 | ₹2,000 – ₹10,000 |
* Costs are approximate estimates for India (2024–25). Actual prices vary by city, hospital, and patient condition. Ayushman Bharat / CGHS may cover eligible treatments.
Frequently Asked Questions
What is Conjunctivitis?+
Conjunctivitis, commonly known as pink eye, is inflammation of the conjunctiva, the thin transparent membrane covering the white of the eye and lining the inner surface of the eyelids. It can be caused by viral or bacterial infection, allergens, or chemical irritants, and typically presents with redness, discharge, and discomfort in one or both eyes. Viral conjunctivitis is highly contagious and often accompanies a common cold, while bacterial conjunctivitis produces thicker discharge and allergic conjunctivitis is linked to seasonal or environmental triggers. Most cases are self-limiting and resolve within one to two weeks, though prompt hygiene measures help prevent further spread.
What are the main symptoms of Conjunctivitis?+
The most common symptoms include: redness in the white of the eye; watery or thick discharge; itching or burning sensation; gritty feeling in the eye. Early recognition is key to prompt diagnosis and effective treatment.
Is Conjunctivitis contagious?+
Yes, Conjunctivitis is contagious. It can spread from person to person. Practice good hygiene, avoid close contact with infected individuals, and follow isolation guidelines if advised by a doctor.
How is Conjunctivitis treated?+
Treatment options include: Viral conjunctivitis is managed supportively with cool compresses; lubricating drops; and time. Treatment should always be guided by a qualified Ophthalmology specialist. Do not self-medicate.
Can Conjunctivitis be prevented?+
While Conjunctivitis cannot always be fully prevented, several measures can reduce risk: frequent handwashing; avoiding touching or rubbing the eyes; not sharing towels.
When should I see a doctor for Conjunctivitis?+
Consult a Ophthalmology specialist if symptoms persist for more than a few days, worsen despite home care, or significantly affect your daily activities. Early diagnosis leads to better outcomes.
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⚕️ Medical Disclaimer
This page is for informational purposes only and does not substitute professional medical advice. Always consult a qualified healthcare professional. In emergencies, call 112.