Alphagan P

Generic Name: Brimonidine

  • What is Alphagan P?

    Alphagan P is an eyedrop used to treat glaucoma and ocular hypertension (high pressure in the eye).

  • What is the most important information I should know about Alphagan P?

    Alphagan P may have a slight effect on your blood pressure. If you have severe heart disease, make sure the doctor is aware of it.

  • Who should not take Alphagan P?

    Do not use Alphagan P if you are allergic to any of its ingredients or if you are taking a medication classified as a monoamine oxidase inhibitor (MAOI).

  • What should I tell my doctor before I take the first dose of Alphagan P?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Alphagan P. Also, talk to your doctor about your complete medical history, especially if you have heart disease, circulation problems (such as Raynaud's disease), low blood pressure, depression, liver or kidney problems, or if you have had an eye injury or surgery.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Adults and children ≥2 years: The usual dose is 1 drop in the affected eye(s) three times a day, approximately 8 hours apart.

  • How should I take Alphagan P?

    If you are using any other eyedrops or ointments for your eye, allow at least 5 minutes between doses of each product.

  • What should I avoid while taking Alphagan P?

    Avoid missing regular eye checkups. Because the effect of Alphagan P may diminish over time, your doctor should check your eye pressure periodically.

    While using Alphagan P, do not allow the tip of the dispenser to touch your eye; the dispenser may have bacteria growth on it, which may lead to an infection in your eye.

    Alphagan P may make you drowsy. Do not engage in hazardous activities such as driving until you know how this drug affects you.

    If the Alphagan P solution changes color or becomes cloudy, do not use it.

  • What are possible food and drug interactions associated with Alphagan P?

    If Alphagan P is used with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Alphagan P with the following: alcohol, antidepressants, barbiturates such as phenobarbital, sleep medications, narcotic painkillers, blood pressure medications, and medications used to treat heart problems such as angina or heart failure.

    Alphagan P should never be combined with MAOIs, such as the antidepressants phenelzine and tranylcypromine.

  • What are the possible side effects of Alphagan P?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: eye redness or irritation, inflamed or swollen eyelids, itchy eyes, burning sensation, high blood pressure, allergic reaction, mouth dryness, visual disturbance

  • Can I receive Alphagan P if I am pregnant or breastfeeding?

    The effects of Alphagan P during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Alphagan P?

    Apply the forgotten dose as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular schedule. Do not apply two doses at once.

  • How should I store Alphagan P?

    Store at room temperature.

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I'm Kristen Dore, PharmD. Welcome to PDR Health!

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