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Conjunctivitis (Pink Eye)
Conjunctivitis is inflammation of the thin membrane covering the white of the eye. It causes redness, watering and discharge, and is usually mild and self-limiting.
Causes & risk factors
- Viral infection (most common)
- Bacterial infection
- Allergies such as dust or pollen
- Irritants like smoke, chlorine or chemicals
- Contact lens problems
Common symptoms
- Red or pink eye
- Itchy or gritty feeling
- Watery or sticky discharge
- Eyelids stuck together in the morning
- Swollen eyelids
- Sensitivity to light
Tests & diagnosis
- Eye examination
- Eye swab in severe or persistent cases
- Vision test
Treatment & management
- Most viral cases clear on their own within 1–2 weeks
- Clean the eyes gently with cooled boiled water
- Cold compresses for comfort
- Antibiotic drops only for confirmed bacterial infection
- Antihistamine drops for allergic cases
- Avoid sharing towels and touching the eyes
When to see a doctor urgently
- Severe eye pain or marked redness
- Vision changes or sensitivity to light
- Discharge that does not improve in a week
- A newborn baby with red, discharging eyes
Not a diagnosis. MedDroid gives general educational information about conjunctivitis (pink eye). It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
Is conjunctivitis contagious?
Viral and bacterial conjunctivitis are very contagious. Wash hands often, avoid touching the eyes and do not share towels until it clears.
Do I need antibiotics?
Most cases are viral and settle without antibiotics. Drops are only needed when a doctor confirms a bacterial infection.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.