How long does pinkeye last?

What Is Pinkeye (Conjunctivitis)?

Pinkeye, medically known as conjunctivitis, is inflammation or infection of the thin, transparent layer (conjunctiva) covering the white part of your eye and the inside of your eyelids. It’s very common and can affect people of all ages. Symptoms often include redness, irritation, tearing, discharge, and a gritty feeling in the eye.

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Types and Typical Duration

1. Viral Conjunctivitis

   • Cause: Often due to adenoviruses (common cold viruses).
   • Duration:
     • Onset to peak symptoms: 2–5 days.
     • Total course: 7–14 days (sometimes up to 21 days).
   • Notes: Highly contagious; frequently starts in one eye and spreads to the other.

2. Bacterial Conjunctivitis

   • Cause: Bacteria such as Staphylococcus aureus, Streptococcus pneumoniae, or Haemophilus influenzae.
   • Duration:
     • With antibiotic drops/ointment: 2–5 days of notable improvement; full resolution by day 7–10.
     • Without antibiotics: 7–14 days.
   • Notes: Thick, colored discharge (“gunky” eyelids), often crusts overnight.

3. Allergic Conjunctivitis

   • Cause: Airborne allergens (pollen, pet dander, dust mites).
   • Duration:
     • Lasts as long as you’re exposed to the allergen.
     • May recur seasonally (hay fever) or persist in chronic allergy.
   • Notes: Intensely itchy eyes, watery or stringy discharge; often affects both eyes simultaneously.

4. Other Causes

   • Chemical exposure, foreign bodies, contact lens irritation.
   • Duration varies widely depending on cause and removal of irritant.

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Factors That Influence How Long Pinkeye Lasts

• Type of Conjunctivitis: Viral infections typically run their course without specific treatment; bacterial often shorten with antibiotics; allergic depends on exposure.
• Promptness of Treatment: Starting antibiotic drops for bacterial cases or allergen avoidance/antihistamines for allergic forms can speed recovery.
• Immune System Health: Weaker immunity (young children, elderly, immunocompromised) may prolong infection.
• Hygiene and Reinfection Risk: Frequent handwashing, avoiding eye rubbing, not sharing towels or pillows helps prevent spread or reinfection.
• Underlying Eye Conditions: Dry eye, blepharitis, or contact lens overuse can complicate healing.

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Managing Pinkeye: What You Can Do at Home

No matter the type, several supportive measures help relieve discomfort and may shorten the course:

• Cool or Warm Compresses
  • Viral/Bacterial: Warm compresses loosen crusts and soothe lids.
  • Allergic: Cool compresses reduce itching and swelling.

• Artificial Tears (Lubricating Drops)
  • Help flush out irritants and soothe dryness or grittiness.
  • Use preservative-free drops if you need them frequently.

• Proper Eyelid Hygiene
  • Gently clean eyelids with a clean, damp cotton pad or warm cloth.
  • Perform lid scrubs if you have blepharitis or recurrent infections.

• Avoid Contact Lenses & Eye Makeup
  • Discard disposable lenses and cases after an infection.
  • Avoid eye makeup until full recovery.

• Allergen Avoidance (for Allergic Conjunctivitis)
  • Keep windows closed during high pollen days.
  • Use HEPA filters and clean bedding frequently.

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When to Use Prescription Medications

• Bacterial Conjunctivitis: A doctor may prescribe antibiotic eye drops or ointment (e.g., erythromycin, polymyxin-trimethoprim).
• Allergic Conjunctivitis: Prescription antihistamine/mast-cell stabilizer drops (e.g., olopatadine) if over-the-counter antihistamines aren’t effective.
• Severe Inflammation: Short-course topical steroids under ophthalmologist supervision, especially if vision is threatened.

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Preventing Spread and Recurrence

• Wash hands thoroughly and often, especially before and after touching your eyes.
• Avoid sharing towels, pillowcases, or eye-care products.
• Disinfect commonly touched surfaces (doorknobs, phone screens).
• Stay home from work, school, or daycare until discharge stops and treatment has begun (usually 24–48 hours on antibiotics for bacterial cases).

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When to Seek Medical Help

While most cases of pinkeye are mild and self-limiting, see a healthcare professional if you experience:

• Severe eye pain or pressure
• Blurred or decreased vision not due to discharge
• Sensitivity to light (photophobia)
• Intense redness or swelling
• Symptoms lasting beyond expected duration (over 2–3 weeks for viral, over 1 week despite treatment for bacterial)
• Recurring infections

You might also consider doing a free, online symptom check for Eye pain to help decide your next steps: symptom check for Eye pain.

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Key Takeaways on Duration

• Viral: 7–14 days, up to 21 days
• Bacterial: 2–5 days with antibiotics; 7–14 days without
• Allergic: Variable—lasting as long as allergen exposure
• Early treatment and good hygiene can shorten most cases

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Final Thoughts

Pinkeye is usually not serious and most people recover fully with proper care. However, persistent or severe symptoms warrant a doctor’s evaluation. If you ever feel something is “off”—especially pain, vision changes, or increased light sensitivity—speak to a healthcare professional promptly. Always discuss any potential life-threatening or serious concerns with a qualified doctor.