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Zaditor (ketotifen) is an ophthalmic antihistamine and mast cell stabilizer. It works by blocking H1 histamine receptors in the eye and preventing mast cells from releasing allergy-triggering chemicals, reducing itching, redness, and tearing caused by eye allergies.

Most patients notice relief from eye itching within a few minutes of applying Zaditor. Its mast cell stabilizing effect helps prevent symptoms from recurring with continued use.

The typical dosing is one drop in each affected eye twice daily, every 8 to 12 hours. Avoid touching the dropper tip to your eye or any surface to prevent contamination. If you wear contact lenses, remove them before applying and wait at least 10 minutes before reinserting.

Zaditor should not be applied while contact lenses are in place. Remove lenses before each dose and wait at least 10 minutes before putting them back in. If your eyes are red, you should also check with your doctor before continuing lens use.

Common side effects include temporary burning or stinging upon application, eye redness, headache, and runny nose. Serious side effects are rare but you should stop use and contact a doctor if you experience significant eye pain, vision changes, or worsening redness.

Zaditor is effective for both seasonal and perennial allergic conjunctivitis. Your doctor will help determine the appropriate duration of use based on your specific allergy triggers and symptom pattern.

Doctronic uses AI-powered evaluation to gather your symptoms and medical history, which is then reviewed by a licensed physician. If appropriate, the physician creates a personalized treatment plan that may include a prescription sent directly to your preferred pharmacy.

Yes. Doctronic works exclusively with licensed, board-certified physicians. All consultations are doctor-reviewed and audited for quality, and the platform is fully HIPAA-compliant to protect your personal health information.