"April 24, 2014 -- As many as 4 in 10 Americans have sneezing, runny nose, and watery eyes due to allergies. If you're one of them, allergy shots can help ease your reaction to the plants, insects, or animals that trigger your symptoms. But they r"...
(ketotifen fumarate) Ophthalmic Solution, 0.025%
Now available Over-The-Counter (OTC); No prescription needed.
Zaditor® (ketotifen fumarate) is an antihistamine eye drop to relieve itchy eyes due to allergens.
ZADITOR® (ketotifen fumarate) is a sterile ophthalmic solution containing ketotifen for topical administration to the eyes. Ketotifen fumarate is a finely crystalline powder with an empirical formula of C23H23NO5S and a molecular weight of 425.50.
Established Name: Ketotifen Fumarate Ophthalmic Solution
Chemical Name: 4-(1-Methyl-4-piperidylidene)-4H-benzo[4,5]cyclohepta[1,2-b] thiophen-10(9H)-one hydrogen fumarate
Each mL of ZADITOR (ketotifen fumarate) &reade; contains:
Active: 0.345 mg ketotifen fumarate equivalent to 0.25 mg ketotifen.
Inactives: glycerol, sodium hydroxide/hydrochloric acid (to adjust pH) and purified water.
Preservative: benzalkonium chloride 0.01%. It has a pH of 4.4 to 5.8 and an osmolality of 210-300 mOsm/kg.
What are the possible side effects of ketotifen ophthalmic (Alaway, Zaditor)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using ketotifen ophthalmic and call your doctor at once if you have any of these serious side effects:
- redness, drainage, eyelid swelling, or other signs of infection;
- eye pain;
- vision changes; or
- severe itching of the eyes worse than before using the medication.
Less serious side effects may include:
- mild burning, stinging, or eye...
What are the precautions when taking ketotifen fumarate (Zaditor)?
Before using ketotifen, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as the preservative benzalkonium chloride in the multi-dose container), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: eye problems (e.g., glaucoma).
After you apply this drug, your vision may become temporarily blurred. Do not drive, use machinery, or do any activity that requires clear vision until you are sure you can perform such activities safely.
Do not use this medication in children younger than 3 years unless directed by the doctor.
Last reviewed on RxList: 5/15/2008
This monograph has been modified to include the generic and brand name in many instances.
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