Alcon Naphcon-A Allergy Relief Eye Drops are sterile and clinically proven. The eye drops formerly prescribed by doctors are now available without a prescription. Combines an antihistamine and a redness reliever for the temporary relief of itchy, red eyes. Combines an antihistamine and a redness reliever for the temporary relief of itchy, red eyes For the temporary relief of redness and itching of the eyes due to ragweed, pollen, grass, animal dander, and hair Clinically proven to be effective Recommended by eye doctors Directions: Adults and children 6 years and over: 1 or 2 drops in the affected eye(s) up to 4 times daily. Children under 6 years: ask a doctor Medicinal Ingredients: Naphazoline hydrochloride 0.025%, Pheniramine maleate 0.3% Warning: Keep out of reach of children. Stop using this medicine and call your doctor if you have ongoing or worsening eye redness, eye pain, or changes in your vision. Common side effects may include mild burning or stinging of the eye, eyes being more sensitive to light, dilated pupils, and blurred vision.