How you get rid of an eye infection depends on what’s causing it. Bacterial infections need antibiotic eye drops, viral infections clear on their own in 7 to 14 days, and allergy-related eye irritation responds to avoiding the trigger and using lubricating drops. The first step is figuring out which type you’re dealing with, because the wrong approach can delay healing or make things worse.
Figuring Out What Type You Have
Most eye infections share the same early symptoms: redness, itching, watery eyes, swelling, and mild pain. That overlap makes it hard to self-diagnose at first. As the infection progresses, the differences become clearer.
Bacterial infections tend to produce thick, yellow or greenish discharge that crusts your eyelashes together overnight. You may wake up with your eyelids stuck shut. Viral infections, on the other hand, usually cause watery (not thick) discharge and often start in one eye before spreading to the other within a day or two. They frequently show up alongside a cold or upper respiratory infection. Allergy-related eye irritation causes intense itching in both eyes simultaneously, with clear, watery discharge and no fever. It isn’t contagious and doesn’t threaten your vision.
Fungal eye infections are less common but more serious. They typically follow an eye injury involving plant material, a stick, or soil. They can also develop after certain eye surgeries. If your symptoms started after that kind of injury, you need medical attention quickly.
Treating Bacterial Eye Infections
Bacterial infections are the type most likely to need prescription treatment. Your doctor will prescribe antibiotic eye drops, and the typical course involves using drops every two to four hours while awake for the first two days, then tapering to four times a day for about five more days. The total treatment usually lasts around a week.
You’ll often notice improvement within 24 to 48 hours of starting drops, but finishing the full course matters. Stopping early because your eye looks better can allow the bacteria to rebound. If your symptoms aren’t improving after two to three days of antibiotic drops, call your doctor, as the infection may be viral rather than bacterial, or you may need a different antibiotic.
Managing Viral Eye Infections at Home
Viral eye infections don’t respond to antibiotics. Most mild cases clear up on their own within 7 to 14 days, though some take two to three weeks or longer. There’s no medication that speeds up recovery, so management is about staying comfortable while your immune system does the work.
Cold compresses and artificial tears are the two most effective comfort measures. Artificial tears lubricate the eye surface and help flush out discharge, while cold compresses reduce inflammation and soothing the gritty, burning sensation. Over-the-counter pain relievers can help if the irritation is keeping you from sleeping or concentrating. Viral pink eye is highly contagious, so wash your hands frequently, avoid touching your eyes, and don’t share towels or pillowcases during this period.
How to Apply a Compress Correctly
Soak a clean washcloth in water that’s comfortably warm but not hot. The skin around your eyes is thin and sensitive, so test the temperature on the inside of your wrist first. Hold the cloth against your closed eye and reheat it every two minutes or so for the best effect. Research shows that reheating at that interval is most effective at raising eyelid temperature, which helps loosen crusted discharge and soothe irritation.
For viral infections or swelling, a cold compress works better. Wrap a few ice cubes in a clean cloth or use a chilled gel pack. Apply for 10 to 15 minutes at a time. With either type, use a fresh cloth each session and for each eye to avoid spreading the infection.
What About Tea Bags and Natural Remedies?
Placing warm tea bags on your eyes is a popular home remedy, but the American Academy of Ophthalmology has stated there is no evidence that a tea bag works any better than a clean, warm washcloth. A washcloth is also easier to keep at a consistent temperature and less likely to introduce particles or tannins that could irritate the eye further.
Honey, breast milk, and other folk remedies carry a real risk of introducing new bacteria into an already inflamed eye. Stick with sterile artificial tears and clean compresses.
Drops That Help vs. Drops That Don’t
Artificial tears (lubricating drops) are safe and helpful for nearly every type of eye infection. They come in preservative-free single-use vials or multi-dose bottles. Preservative-free versions are gentler if you’re using them frequently.
Redness-relief drops are a different category entirely, and they can backfire. These contain ingredients that constrict blood vessels to temporarily whiten the eye, but they often cause rebound redness when the effect wears off, making your eyes look worse over time. They also mask symptoms without treating the underlying problem. The American Academy of Ophthalmology specifically cautions against self-treating red eyes with these products.
Contact Lenses and Eye Infections
Remove your contact lenses immediately at the first sign of an eye infection. Wearing contacts over an infected eye traps bacteria or viruses against the cornea, which can turn a surface-level infection into something that damages your vision. Don’t put your lenses back in until the infection has fully resolved.
Throw away the pair of contacts you were wearing when symptoms started, along with the case and any solution that was open at the time. These can harbor the same organisms that caused the infection and reinfect you. Start fresh with a new case, new solution, and new lenses once you’re cleared to wear them again.
Makeup and Personal Items
The FDA recommends avoiding all eye cosmetics while you have an eye infection or any inflammation around the eye. Once the infection clears, discard every eye product you used in the days before and during the infection. That includes mascara, eyeliner, eyeshadow, and any brushes or applicators that touched the area. These products can carry infectious organisms and reintroduce them even after you’ve healed.
The same principle applies to towels, pillowcases, and washcloths. Wash them in hot water after each use during an active infection. If multiple people share a bathroom, keep your towel separate.
Symptoms That Need Immediate Attention
Most eye infections are uncomfortable but not dangerous. A few warning signs, however, mean you should see a doctor promptly rather than waiting it out:
- Blurred vision that doesn’t clear when you blink away discharge
- Significant eye pain beyond mild irritation or grittiness
- Sensitivity to light that makes it hard to keep your eyes open
- Fever along with eye symptoms
- Thick discharge that keeps returning throughout the day despite cleaning
- No improvement after 7 days of home care for a suspected viral infection
These can signal a deeper infection involving the cornea or internal eye structures, which need prescription treatment to prevent lasting damage. Fungal infections and certain bacterial infections, particularly those involving the cornea, can progress quickly and require aggressive treatment that only a doctor can provide.