Alphagan Eye Drop (Brimonidine)

Brimonidine eye drops, marketed under brand names such as Alphagan, Alphagan P, and Mirvaso, are pharmaceutical preparations primarily used for the treatment of various eye conditions and skin disorders.

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Alphagan Eye Drop 5ml (Brimonidine 0.2%)

Package QTY Price Add To Cart
1 Eye Drop $14.34
3 Eye Drop/s $43.02
6 Eye Drop/s $86.04

Introduction of Alphagan Eye Drop (Brimonidine) 

Brimonidine eye drops, marketed under brand names such as Alphagan, and Alphagan P, are pharmaceutical preparations primarily used for the treatment of various Eye conditions and skin disorders. Brimonidine belongs to the class of alpha-2 adrenergic agonists and has found its place in the field of ophthalmology and dermatology. This comprehensive guide will provide detailed insights into the use of Brimonidine eye drops, covering dosage information, potential missed doses and overdose scenarios, their varied uses, common side effects, precautions for usage, and interactions with other drugs.

Dosage Information

Dosage for Alphagan Eye Drops

Alphagan eye drops are commonly prescribed in concentrations of 0.1% and 0.15%. The standard adult dosage is one drop in the affected eye(s) two or three times a day.
The dosage may vary depending on the severity of the eye condition and the patient's individual response.
It is important to follow the physician's instructions carefully. Typically, treatment begins with the lower concentration, and the dosage may be adjusted based on the patient's response.

Dosage for Alphagan P Eye Drops

Alphagan P eye drops are usually prescribed in a concentration of 0.1%. The recommended dosage is one drop in the affected Eye(s) two times a day.
As with Alphagan, the treating physician may adjust the dosage depending on the patient's condition and response to treatment.

Missed Dose

If a dose of Brimonidine eye drops is missed, it should be taken as soon as remembered, unless it is close to the time for the next scheduled dose.
Do not double the dose to compensate for a missed one, as this can increase the risk of side effects.


  • Overdosing on Brimonidine eye drops can have serious consequences. If accidentally ingested or if more than the prescribed number of drops is instilled into the eyes, seek immediate medical attention.
  • Symptoms of overdose may include severe headache, drowsiness, low blood pressure, slowed heart rate, and difficulty breathing. 

Relieve Eye Redness with Brimonidine:

Brimonidine is an effective solution to relieve eye redness. It works by reducing blood vessel dilation, providing quick relief from red and irritated eyes. Trust Brimonidine for soothing comfort and clearer vision.

Purchase Brimonidine Ophthalmic Solution:

You can conveniently buy Brimonidine ophthalmic solution on our website, We offer a hassle-free online platform for purchasing this eye care medication, ensuring easy access for those in need.

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Here are precautionary points for using Alphagan Eye Drops (Brimonidine):

  • Avoid Touching Eyes: Refrain from touching your eyes with unclean hands after using the eye drops to prevent potential infections.
  • Contact Lens Removal: Remove contact lenses before administering the eye drops, as they may interact and cause discomfort.
  • Driving Caution: Alphagan may cause dizziness or blurred vision; avoid driving or operating machinery until you know how it affects you.
  • Prescription Consultation: Always consult your doctor before using Alphagan, especially if you have other eye conditions or are on medications.
  • Allergy Alert: Inform your healthcare provider of any allergies, as certain ingredients in Alphagan might trigger allergic reactions.

Some of the specific indications for Alphagan Eye Drop (Brimonidine) include

Ophthalmic Uses of Brimonidine (Alphagan and Alphagan P)

In Eye Care, Alphagan and Alphagan P are primarily indicated for the treatment of open-angle glaucoma or ocular hypertension. They work by reducing intraocular pressure, thereby preventing optic nerve damage.
Brimonidine is also used to reduce redness in the eyes, making it suitable for eye allergy relief and cosmetic purposes.

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Some of the secondary Effects of Alphagan Eye Drop (Brimonidine)

Common Side Effects

Common side effects of Brimonidine eye drops include burning or stinging sensation in the eyes, dry mouth, blurred vision, and eye redness.
These side effects are usually mild and temporary, subsiding as the body adjusts to the medication.

Less Common Side Effects

Less common side effects may include dizziness, drowsiness, fatigue, and allergic reactions such as itching or swelling of the eyes, face, or lips.
If any of these less common side effects persist or worsen, it is advisable to inform a healthcare provider promptly.

Serious Side Effects

Although rare, serious side effects may occur, such as severe eye pain, vision changes, irregular heartbeat, and signs of an allergic reaction (e.g., rash, itching, swelling, severe dizziness, difficulty breathing).
Patients experiencing these severe side effects should seek immediate medical attention.

Answers to Common Inquiries About Alphagan Eye Drop (Brimonidine)

Q1. Can Brimonidine Eye Drops Treat Other Eye Conditions?

Answer: Brimonidine eye drops are primarily used for open-angle glaucoma and ocular hypertension. While they may reduce redness in allergy-affected eyes, they aren't a cure for allergies. Consult your eye care professional for specific conditions.

Q2. Is Brimonidine Safe for Children?

Answer: The safety and efficacy of Brimonidine in pediatric patients haven't been firmly established. It's vital to consult a healthcare professional for children's eye care needs.

Q3. Can I Wear Contact Lenses with Mirvaso Gel?

Answer: Mirvaso is for external use only and should never be applied to the eyes. Remove contact lenses before using the gel, and reinsert them after 15 minutes.

Q4. Are There Natural Alternatives to Brimonidine for Rosacea?

Answer: Natural remedies like gentle skincare routines and avoiding triggers can help manage rosacea. However, for severe cases, consult a dermatologist who can recommend appropriate treatments, which may include prescription medications like Mirvaso.

Q5. How Quickly Can I Expect Relief from Redness with Brimonidine?

Answer: Brimonidine's speed of action varies among individuals. Some experience relief within minutes, while for others, it may take longer. Consistent use as per your healthcare provider's guidance is essential for optimal results in managing redness.

Significant Drug Interactions that Require Attention For Alphagan Eye Drop (Brimonidine)

  • Brimonidine may interact with other medications, including beta-blockers and tricyclic antidepressants, potentially leading to increased side effects or decreased effectiveness.
  • Patients should inform their healthcare provider of all medications, supplements, and herbal products they are taking to avoid potential interactions.
  • The concomitant use of other alpha-2 adrenergic agonists should be avoided as it may result in additive effects and increased side effects.
  • Patients taking medications to lower blood pressure should use Brimonidine eye drops cautiously, as it can further lower blood pressure.
  • Tricyclic antidepressants, monoamine oxidase inhibitors (MAOIs), or selective serotonin reuptake inhibitors (SSRIs) may interact with Brimonidine, potentially leading to increased blood pressure or adverse cardiovascular effects.
  • Concurrent use of beta-blockers and Brimonidine can lead to reduced heart rate and blood pressure. Special caution is advised when using these medications together.
More Information Demo
Manufacturer : Allergan, India
Equivalent Brand : Alphagan P
Generic Search : Brimonidine