Compare brimonidine vs. Betoptic

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Lowers high eye pressure.

Alphagan P (brimonidine) is an effective medication for treating high pressure in the eyes, but it can cause some bothersome effects such as dry mouth, eye burning, and stinging upon administration.

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  • Alphagan P (brimonidine) is a good medication for reducing high eye pressure and helping prevent development of glaucoma.
  • It is available as a cheaper, generic form.
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  • Even though it's administered in the eye, Alphagan P (brimonidine) can make you feel fatigued and drowsy.
  • You must wait 5 minutes before using another eye drop in the same eye.
  • You have to remove contact lenses and leave them out for 15 minutes after using the eyedrops.
  • Alphagan P (brimonidine) can't be used in children under 2 years of age.
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Used for
  • Elevated intraocular pressure
  • Hypertension
  • Ocular hypertension
  • Primary open angle glaucoma
  • Angina pectoris - chronic
  • Cardiac dysrythmia
Dosage forms
  • Eye drops
  • Pill
  • Eye drops
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Side effects
The Alphagan P (brimonidine) FDA package insert doesn’t have numbers about how common side effects are.
The Betoptic S (Betaxolol) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Contact lens use
  • Contamination of eye products after use
    • Corneal disease
    • Disruption of the ocular epithelial surface
  • Severe heart disease
  • CNS depression (sleepiness and fatigue)
See more detailed risks and warnings
No information currently available