01/10/2024                                                                            
                                    
                                                                            
                                            What causes itchy eyes?
When your eyes become itchy and red, you’ll do anything to relieve the irritation. But knowing the cause of your itchy eyes can help you find the right treatment and get some relief.
The differences between symptoms of allergy and infection, for example, is important to understand so you don’t make your condition worse.
🎯 Seasonal allergies
If you get itchy eyes around the same time every year, you may have a seasonal allergy to ragweed or something else that blooms and releases pollen during certain times of year.
One way to tell if you’re dealing with an allergy, as opposed to an eye infection, is that you’ll have other allergic reactions, such as sneezing and nasal congestion.
Allergic symptoms are triggered by histamine, a compound released by cells to defend against allergens. Histamine causes an inflammatory response, and itchy eyes are among the common signs of histamine at work. 
🎯 Perennial allergies
Unlike seasonal allergies, perennial allergies are those you may have all year long. Things like mold, dust, and pet dander are among the more common perennial eye allergies.
You also may be allergic to certain products in your home. The contact lens solution you use may be irritating your eyes. Or, the soap or shampoo you use may be the problem.
🎯 Airborne irritants
Some people are particularly sensitive to smoke, diesel exhaust, or even certain perfumes. Avoiding exposure to these irritants is the simplest solution. 
🎯 Infection
Your eyes are vulnerable to viral, bacterial, and fungal infections — all of which can bring on itchy eyes.
One of the more common eye infections is *conjunctivitis* , also known as pink eye because the white part of the infected eye turns pink. It’s very contagious and often accompanied by drainage from the affected eye.
Another possible eye infection is called uveitis, an inflammation of the iris — the part of your eye with color. Uveitis can cause eye pain and an extrem