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Alphagan-P

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Alphagan-P

ALPHAGAN® P
(brimonidine tartrate) Ophthalmic Solution 0.1% and 0.15%

Alphagan-P

DRUG DESCRIPTION

ALPHAGAN® P (brimonidine tartrate ophthalmic solution) 0.1% or 0.15%, sterile, is a relatively selective alpha-2 adrenergic receptor agonist (topical intraocular pressure lowering agent).

The structural formula of brimonidine tartrate is:

ALPHAGAN® P (brimonidine tartrate)  Structural Formula Illustration

5-bromo-6-(2-imidazolidinylideneamino) quinoxaline L-tartrate; MW= 442.24

In solution, ALPHAGAN® P (brimonidine tartrate ophthalmic solution) has a clear, greenish-yellow color. It has an osmolality of 250-350 mOsmol/kg and a pH of 7.4-8.0 (0.1%) or 6.6-7.4 (0.15%).

Brimonidine tartrate appears as an off-white to pale-yellow powder and is soluble in both water (0.6 mg/mL) and in the product vehicle (1.4 mg/mL) at pH 7.7.

Each mL of ALPHAGAN® P (brimonidine tartrate) contains the active ingredient brimonidine tartrate 0.1% (1.0 mg/mL) or 0.15% (1.5 mg/mL) with the inactive ingredients sodium carboxymethylcellulose; sodium borate; boric acid; sodium chloride; potassium chloride; calcium chloride; magnesium chloride; PURITE® 0.005% (0.05 mg/mL) as a preservative; purified water; and hydrochloric acid and/or sodium hydroxide to adjust pH.

What are the possible side effects of brimonidine ophthalmic (Alphagan P)?

Stop using brimonidine and 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.

Call your doctor at once if you have any of these serious side effects:

  • slow or uneven heart rate;
  • pounding heartbeats or fluttering in your chest;
  • shallow breathing, feeling like you might pass out;
  • severe swelling, redness, or discomfort in or around your eye;
  • eye pain or increased watering; or
  • numbness or tingly feeling in your...

Read All Potential Side Effects and See Pictures of Alphagan-P »

What are the precautions when taking brimonidine tartrate (Alphagan-P)?

Before using this medication, tell your doctor or pharmacist if you are allergic to it; or to apraclonidine; or if you have any other allergies. This product may contain inactive ingredients, 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: blood vessel diseases (thromboangiitis obliterans), blood circulation disorders (cerebral or coronary insufficiency), depression, severe heart disease, kidney disease, liver disease, Raynaud's disease, low blood pressure upon standing (orthostatic hypotension).

This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness...

Read All Potential Precautions of Alphagan-P »

Last reviewed on RxList: 9/14/2010
This monograph has been modified to include the generic and brand name in many instances.

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Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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