If your eye is irritated, the first thing to do is stop touching it. Rubbing feels instinctive but can worsen inflammation, push debris deeper, or scratch the surface of your eye. What comes next depends on the cause: a speck of dust, allergies, dryness, or chemical exposure each call for a different response. Here’s how to figure out what’s going on and handle it at home, plus how to recognize the signs that need professional attention.
Flush Your Eye if Something Is in It
When you feel a gritty, sharp sensation like something is stuck in your eye, flushing is the safest first step. Use a gentle stream of clean, lukewarm water or saline. You have a few options that work well: tilt your head back and pour water from a clean drinking glass across the open eye, use a medicine dropper filled with warm water, or stand in the shower and let a gentle stream of lukewarm water flow over your forehead and into the affected eye while holding the lid open.
If you wear contact lenses, remove them before or during flushing. A foreign object can get trapped beneath the lens and cause a scratch on the cornea, the clear front surface of the eye.
For a chemical splash, the rules change significantly. Flush with clean, lukewarm tap water for at least 20 minutes. Don’t wait, don’t pause to look up the chemical, just start rinsing immediately and keep going. After flushing, seek medical care regardless of how your eye feels.
Figure Out What’s Causing It
The right remedy depends entirely on the source of irritation. Here are the most common culprits:
- Allergies: Outdoor pollens from grass, trees, and weeds, plus indoor triggers like pet dander, dust mites, and mold. Allergy-related irritation typically involves both eyes, with intense itching, watering, and redness.
- Dryness: Extended screen time, dry indoor air, air conditioning, or windy conditions can leave your eyes feeling scratchy and tired. This is one of the most common causes of daily eye discomfort.
- Environmental irritants: Cigarette smoke, perfume, diesel exhaust, chlorine, and cleaning products can all trigger redness and tearing, even if you don’t have allergies.
- Foreign objects: Dust, an eyelash, sand, or small debris on the eye’s surface creates a sharp, unmistakable “something is in there” sensation.
- Contact lens wear: Lenses that are overworn, dirty, or poorly fitted are a frequent source of irritation and raise the risk of infection.
Use the Right Eye Drops
Not all eye drops do the same thing, and grabbing the wrong type can make things worse or simply waste your money.
Artificial tears (lubricant drops) are the go-to for dryness and general irritation. They add a layer of moisture to the eye’s surface and are safe for frequent use, with one caveat: if the product contains preservatives, limit yourself to four times a day. Preservative-free artificial tears have no daily cap and are the better choice if you find yourself reaching for drops regularly.
Antihistamine drops are designed specifically for allergy symptoms. If your main complaint is itching along with watery, red eyes, these will help more than plain lubricant drops. Over-the-counter combination drops that pair an antihistamine with a mast cell stabilizer (look for products containing ketotifen or olopatadine) both relieve current symptoms and help prevent them from returning. These are widely recommended as a first-line treatment for eye allergies.
Redness-relief drops (decongestant drops) are the ones that promise to “get the red out.” They constrict blood vessels to temporarily whiten your eyes, but doctors generally don’t recommend them for treating eye allergies or ongoing irritation. With regular use, they can cause rebound redness, leaving your eyes redder than before once the drops wear off.
Try a Warm or Cold Compress
A clean, damp washcloth held against closed eyelids is one of the simplest and most effective home treatments. Which temperature you choose matters.
Cold compresses work best for itching and inflammation. If your eyes are red, swollen, and itchy from allergies or general irritation, a cool cloth will calm things down. Warm compresses are better when you have sticky discharge or crusty buildup on your eyelids, because the heat loosens that debris and makes it easier to clean away. In either case, apply the compress three or four times a day for the most relief.
Remove Contact Lenses Immediately
If your eyes become irritated while wearing contacts, take them out right away. The FDA’s guidance is straightforward: remove the lenses and do not put them back in. Contact your eye care provider before reinserting them, even if the irritation seems to resolve on its own. Wearing lenses over an irritated or mildly scratched cornea traps bacteria against the eye and dramatically increases the risk of infection.
If you suspect your contacts themselves are the problem, switch to glasses until you’ve been evaluated. Discard daily disposable lenses rather than re-wearing them, and disinfect reusable lenses with fresh solution before trying again.
Reduce Exposure to Triggers
Once you’ve treated the immediate discomfort, a few practical changes can keep it from coming back. On high pollen days, keep windows closed and shower after spending time outside to rinse allergens off your skin and hair. Indoors, run an air purifier if you have pets or live in a dusty environment. Swap out old pillowcases regularly, since dust mites and dander accumulate there and press directly against your face overnight.
If screens are drying your eyes out, follow the 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds. This gives your blink rate a chance to recover. People blink significantly less while staring at screens, and those missed blinks let the tear film evaporate.
Signs That Need Medical Attention
Most eye irritation clears up within a day or two with basic care. Certain symptoms, however, point to something more serious than surface-level irritation and should not be managed at home.
Get evaluated promptly if you notice any of the following: a sudden decrease in vision or blurry, hazy sight that doesn’t clear with blinking; moderate to severe pain (not just mild grittiness); sensitivity to light that makes it uncomfortable to look at normal room lighting; or visible damage to the eye’s surface after an injury. These can be signs of a corneal abrasion, an infection, elevated pressure inside the eye, or inflammation in the deeper structures of the eye.
A corneal abrasion, in particular, can feel deceptively similar to simple irritation. The telltale signs are a persistent feeling that something is stuck in your eye even after flushing, along with redness, tearing, and light sensitivity. An eye doctor can diagnose this quickly by applying a special dye to the eye’s surface and examining it under magnification, which highlights any scratch or defect. Most minor abrasions heal within a few days with proper treatment, but untreated scratches can become infected.