Alamast

DRUG DESCRIPTION

ALAMAST® (pemirolast potassium ophthalmic solution) is a sterile, aqueous ophthalmic solution with a pH of approximately 8.0 containing 0.1% of the mast cell stabilizer, pemirolast potassium, for topical administration to the eyes.

Pemirolast potassium is a slightly yellow, water-soluble powder with a molecular weight of 266.3.

The chemical structure is presented below:

ALAMAST® (pemirolast potassium) Structural Formula Illustration

C10H7KN6O

Chemical name

9-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-?] pyrimidin-4-one potassium

Each mL contains: ACTIVE: pemirolast potassium 1 mg (0.1%); PRESERVATIVE: lauralkonium chloride 0.005%; INACTIVES: glycerin, dibasic sodium phosphate, monobasic sodium phosphate, phosphoric acid and/or sodium hydroxide to adjust pH, and purified water. The osmolality of ALAMAST® (pemirolast potassium ophthalmic solution) oph-thalmic solution is approximately 240 mOsmol/kg.

What are the possible side effects of pemirolast ophthalmic (Alamast)?

Serious side effects are not expected with pemirolast ophthalmic.

Commonly, some burning, irritation, itching, dry eyes, or other eye discomfort may occur.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at...

Read All Potential Side Effects and See Pictures of Alamast »

What are the precautions when taking pemirolast potassium ophthalmic solution (Alamast)?

Before using pemirolast, 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 preservatives like lauralkonium chloride), 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.

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.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes...

Read All Potential Precautions of Alamast »


Alamast Consumer (continued)

SIDE EFFECTS: Headache, runny nose, eye burning/discomfort, feeling as if something is in your eye, or dry eyes may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: Before using pemirolast, 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 preservatives like lauralkonium chloride), 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.

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.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.


Alamast Patient Information Including Side Effects

Brand Names: Alamast

Generic Name: pemirolast ophthalmic (Pronunciation: pem IR oh last off THAL mik)

  • What is pemirolast ophthalmic (Alamast)?
  • What are the possible side effects of pemirolast ophthalmic (Alamast)?
  • What is the most important information I should know about pemirolast ophthalmic (Alamast)?
  • Who should not use pemirolast ophthalmic (Alamast)?
  • How should I use pemirolast ophthalmic (Alamast)?
  • What happens if I miss a dose (Alamast)?
  • What happens if I overdose (Alamast)?
  • What should I avoid while using pemirolast ophthalmic (Alamast)?
  • What other drugs will affect pemirolast ophthalmic (Alamast)?
  • Where can I get more information?

What is pemirolast ophthalmic (Alamast)?

Pemirolast is an anti-allergic medication. It inhibits processes in the body that cause allergic symptoms after exposure to an allergen.

Pemirolast ophthalmic is used to treat ocular (eye) symptoms of allergic conditions, such as itching.

Pemirolast ophthalmic may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of pemirolast ophthalmic (Alamast)?

Serious side effects are not expected with pemirolast ophthalmic.

Commonly, some burning, irritation, itching, dry eyes, or other eye discomfort may occur.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about pemirolast ophthalmic (Alamast)?

Do not touch the dropper to any surface, including your eyes or hands. The dropper is sterile. If it becomes contaminated, it could cause an infection in your eye.

Do not wear contact lenses during treatment with pemirolast ophthalmic if your eyes are red. If you wear soft contact lenses, and your eyes are not red, wait at least 10 minutes after using pemirolast ophthalmic before inserting your contact lenses.

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