If you’re dealing with itchy eyes from allergies, one common relief option is Ketotifen (0.025%). Its job is to block the release of histamines, a chemical our immune system releases in response to foreign stimuli. However, it’s not the best pick if your discomfort is caused by wearing contact lenses. Other typical allergy eye drop ingredients include Olopatadine (well-known brands like Pataday), as well as Naphazoline Hydrochloride + Pheniramine Maleate. All of them are effective at easing eye redness and allergy symptoms. 。
Ketotifen
Ketotifen is a type of antihistamine that is used to treat itchy eyes brought on by allergies[1] Trusted Website PubMed is a data base from US National Institutes of Health. It’s a trusted source of health and medical information. Open the link → . The way it works is by inhibiting the release of histamines that prompt allergic reactions, thus providing relief from eye allergy symptoms. It’s not recommended for use if the discomfort is due to wearing contact lenses. If you experience side effects like eye pain, changes in vision, redness, or swelling, or if your eyes remain itchy for over 72 hours or worsen, you should stop using it and contact your doctor.
2 X 10ml Bottles 0.025% Ketotifen | 
2 X 5ml Bottles 0.025% Ketotifen |
Olopatadine
Olopatadine is also an antihistamine. This active ingredient in eye drops is used for treating itchy eyes caused by allergic conjunctivitis[2] Trusted Website PubMed is a data base from US National Institutes of Health. It’s a trusted source of health and medical information. Open the link → , or itchiness/redness induced by allergens like pollen, ragweed, grass, pet hair, or dander. It inhibits the action of certain inflammatory substances, like histamines, which are produced by cells in your eyes and can sometimes lead to allergic reactions.
0.085 oz / 2.5 ml 0.2% Olopatadine | 
0.085 oz / 2.5 ml 0.7% Olopatadine |
Naphazoline HCI and Pheniramine Maleate
When administered in the eyes, Naphazoline HCI acts to constrict blood vessels, reducing redness and congestion. It’s used to alleviate red eyes caused by minor irritants like colds, dust, wind, smoke, pollen, swimming, or wearing contact lens. Pheniramine Maleate is a first-generation alkylamine antihistamine used for treating symptoms of allergic rhinitis and itching. It’s a component in some over-the-counter allergy and cold meds. These two together are the active ingredients in some popular allergy eye drops.
2 X 15ml Bottles 0.02675% Naphazoline HCI 0.315% Pheniramine Maleate | 
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1 X 15ml Bottle 0.025% Naphazoline HCI 0.3% Pheniramine Maleate |
Each of these meds has its unique attributes and uses, so you’ll want to choose based on your specific symptoms and situation. If you’re already taking other medications, it’s a good idea to check with your doctor or pharmacist first. Some drugs can interact with the ingredients in these allergy eye drops, or certain components might not be the best fit for your health condition.
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