Most cases of pink eye clear up within 7 to 14 days, though the exact timeline depends on whether the cause is viral, bacterial, or allergic. Some cases resolve in just a few days, while others can linger for two to three weeks or longer.
Viral Pink Eye: 1 to 3 Weeks
Viral conjunctivitis is the most common type, and it follows a pattern similar to the common cold. Mild cases typically resolve in 7 to 14 days without any treatment. The first few days tend to be the worst, with heavy watering, redness, and a gritty sensation that gradually fades. Symptoms often start in one eye and spread to the other within a day or two.
In some cases, viral pink eye can take two to three weeks or more to fully clear. This is more likely when the infection is caused by adenovirus, the same family of viruses responsible for many upper respiratory infections. There’s no antibiotic or antiviral that speeds recovery for routine viral conjunctivitis. Your body simply fights it off on its own.
Bacterial Pink Eye: Faster With Treatment
Bacterial conjunctivitis produces thicker, yellowish or greenish discharge that can crust your eyelids shut overnight. Without treatment, mild bacterial cases often resolve on their own within 7 to 10 days. Antibiotic eye drops or ointment can shorten that timeline noticeably, with many people seeing improvement within the first 24 to 48 hours of starting treatment.
Even with antibiotics, it’s important to finish the full course as prescribed. Stopping early because your eye looks better can allow the bacteria to bounce back. Most people are considered much less contagious after 24 hours on antibiotic drops, which is relevant if you’re waiting to return to work or school.
Allergic Pink Eye: Hours to Months
Allergic conjunctivitis behaves completely differently from the infectious types. Your recovery depends almost entirely on whether you can get away from the trigger. If you had a one-time exposure to pet dander or dust, symptoms may fade within hours once you’re no longer around it. But if the trigger is seasonal pollen, symptoms can persist for days, weeks, or even months throughout allergy season.
The good news is that relief comes quickly once you treat it. Oral antihistamines start working in about 30 minutes, and allergy eye drops kick in after roughly an hour. Unlike viral or bacterial pink eye, allergic conjunctivitis isn’t contagious at all, so there’s no need to isolate yourself. Both eyes are usually affected, and itching tends to be the dominant symptom rather than discharge.
What Helps While You Wait
Regardless of the type, a few simple measures can make the days more comfortable. A cool, damp compress applied to closed eyelids helps relieve irritation and swelling, especially with allergic or viral cases. Some people prefer a warm compress, particularly when crusty discharge is an issue, as the warmth loosens the buildup and makes it easier to gently clean your lids. Use a clean, lint-free cloth soaked in water and wrung out, and use a fresh section or a new cloth for each eye to avoid spreading the infection.
Artificial tears (the preservative-free kind) can soothe dryness and flush out irritants. If you wear contact lenses, switch to glasses as soon as symptoms start. Contact lens wearers who don’t see improvement within 12 to 24 hours should get checked promptly, because lens-related eye infections can be more serious than standard pink eye.
Returning to Work or School
Guidelines for going back vary, but the general principle is straightforward: if you don’t have a fever or other symptoms and your eyes are improving, you can return with your doctor’s approval. If your role involves close contact with others and you still have active symptoms like discharge or significant redness, staying home is the safer choice. For bacterial pink eye treated with antibiotics, many schools and workplaces allow return after 24 hours on drops.
Children tend to spread pink eye easily in classrooms and daycare settings, so parents often face stricter return policies. Check with your child’s school for their specific rules, as requirements differ.
Signs Something More Serious Is Going On
Standard pink eye is uncomfortable but not dangerous. However, some symptoms signal a more serious condition that needs prompt attention. Seek urgent care if you experience significant eye pain (not just mild irritation), blurred vision that doesn’t clear when you blink, intense sensitivity to light, or a persistent feeling that something is stuck in your eye. These can indicate infections that affect deeper layers of the eye or other conditions that mimic pink eye.
If your pink eye followed a chemical splash, flush the eye with clean water immediately. If flushing doesn’t resolve symptoms, or if the substance was something caustic like lye or industrial cleaner, get to an eye specialist right away. Chemical exposure can cause permanent damage without quick treatment.