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alamast

Alamast (Pemirolast Potassium) is a medication used to treat Allergic Conjunctivitis.

Pemirolast Potassium · by Santen

Not yet rated· sourced from the FDA label
Rated against independent regulatory sources·Last updated June 7, 2026·How we rate
Verified againstopenFDANIH DailyMedRxClass

Key facts

Active ingredient
Pemirolast Potassium
Form
Drops
Strength
Pemirolast Potassium 0.1%
Type
Prescription (Rx)
Brand or generic
Brand-name
Manufacturer
Santen
FDA application
NDA021079
Availability
Discontinued (per FDA)

May treat (source: NIH RxClass)

Dosage forms

Drops

The forms currently marketed in the U.S., per the FDA National Drug Code Directory.

Ways to save

Ask for the generic

Same active ingredient, far cheaper. Is there a generic? →

Request a 90-day supply

Bulk fills usually lower the per-dose price vs monthly refills.

Use copay cards

Manufacturer copay cards & patient-assistance programs — especially for brand drugs.

Compare alternatives

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Frequently asked questions

What does Alamast treat?
Alamast (Pemirolast Potassium) may be used to treat allergic conjunctivitis, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
Is there a coupon or discount for Alamast?
pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Alamast. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
Who makes Alamast?
Alamast is marketed by Santen. You can see Santen's full profile, rating, and other products on pharmaranks.
Is Alamast a brand-name or generic drug?
Alamast is a brand-name product with the active ingredient Pemirolast Potassium.
Is Alamast available over the counter?
No. Alamast is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
What forms does Alamast come in?
Alamast is currently marketed as drops, per the FDA's National Drug Code Directory.
Is Alamast FDA-registered?
Alamast is on record with the U.S. FDA under application number NDA021079. You can verify this on its official FDA label.

Information is sourced from public FDA regulatory data. Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.

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