Brand name:
ASTHAFEN (Ketasma, Ketotifen, Zaditen)
Pronounced: ZA-di-tor
Generic name: Ketotifen fumarate
Why is ASTHAFEN (Ketasma, Ketotifen, Zaditen) prescribed?

ASTHAFEN (Ketasma, Ketotifen, Zaditen) combats the release of chemicals that trigger allergic reactions. Available in eyedrop form, it works within minutes to relieve the itchy eyes brought on by allergies.
Most important fact about ASTHAFEN (Ketasma, Ketotifen, Zaditen)

ASTHAFEN (Ketasma, Ketotifen, Zaditen) is for use in the eyes only. Do not inject or swallow ASTHAFEN (Ketasma, Ketotifen, Zaditen).
How should you take ASTHAFEN (Ketasma, Ketotifen, Zaditen) WITHOUT A PRIOR rx/Prescriptions?

To prevent contamination, do not touch the eyelids, eye, or surrounding areas with the dropper tip of the bottle.

If you miss a dose ASTHAFEN (Ketasma, Ketotifen, Zaditen)

Apply it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Never apply more than 1 drop at a time.

Storage instructions...

Keep the bottle tightly closed when it is not in use. Store between 39 and 77 degrees Fahrenheit.
ASTHAFEN (Ketasma, Ketotifen, Zaditen) side effects

* Side effects may include:
Headache, runny nose, increased blood flow in the eyelid

Why should ASTHAFEN (Ketasma, Ketotifen, Zaditen) not be prescribed?

If you are allergic to any of the ingredients in ASTHAFEN (Ketasma, Ketotifen, Zaditen), you'll be unable to use it.
Special warnings about ASTHAFEN (Ketasma, Ketotifen, Zaditen)

Do not wear contact lenses if your eyes are red or irritated, and do not use ASTHAFEN (Ketasma, Ketotifen, Zaditen) to treat irritation from contact lenses. If you wear soft contact lenses, wait at least 10 minutes after applying ASTHAFEN (Ketasma, Ketotifen, Zaditen) before inserting them.

The safety and effectiveness of ASTHAFEN (Ketasma, Ketotifen, Zaditen) in children below the age of 3 years have not been established.
Possible food and drug interactions when taking ASTHAFEN (Ketasma, Ketotifen, Zaditen)

Since ASTHAFEN (Ketasma, Ketotifen, Zaditen) is not ingested, interactions are unlikely.
Special information if you are pregnant or breastfeeding

The possibility that ASTHAFEN (Ketasma, Ketotifen, Zaditen) could harm a developing baby has not been ruled out. Inform your doctor immediately if you are pregnant or plan to become pregnant during treatment with the drug.

Researchers do not know whether ASTHAFEN (Ketasma, Ketotifen, Zaditen) can make its way into breast milk, but caution is advised if you're nursing.
Recommended dosage for ASTHAFEN (Ketasma, Ketotifen, Zaditen)

The recommended dose is one drop in the affected eye(s) twice daily, every 8 to 12 hours.
Overdosage

Overdosage is highly unlikely since swallowing even a whole bottle of ASTHAFEN (Ketasma, Ketotifen, Zaditen) would give you only a fraction of the amount considered toxic. Nevertheless, if you suspect an overdose check with your doctor immediately.