Having trouble finding Alphagan or generic Brimonidine eye drops at your pharmacy? Learn why this glaucoma medication can be hard to find and what you can do.
If you've been told your pharmacy is out of Alphagan (Brimonidine tartrate) eye drops, you're not alone. Many patients with open-angle glaucoma or ocular hypertension rely on this medication to keep their eye pressure under control — and running into availability problems can feel stressful, even scary.
The good news? Alphagan isn't disappearing. But several factors can make it harder to find on any given day. Let's break down what's going on and, more importantly, what you can do about it.
Alphagan P is a prescription eye drop made by Allergan (now part of AbbVie). Its active ingredient, Brimonidine tartrate, belongs to a class of drugs called alpha-2 adrenergic agonists. It works by reducing the amount of fluid produced inside your eye and increasing how quickly that fluid drains out, which lowers intraocular pressure (IOP).
Alphagan P is available in two concentrations — 0.1% and 0.15% — and is typically used three times daily. Generic versions of Brimonidine are also widely prescribed and are usually more affordable.
Pharmacies don't carry unlimited stock of every medication. They order based on demand patterns, and ophthalmic drops are a smaller-volume category compared to medications like blood pressure pills or diabetes drugs. If your pharmacy doesn't have many Alphagan patients, they may not keep it on the shelf at all times. When a sudden spike in prescriptions hits — or when their distributor is temporarily short — the shelf goes empty.
Multiple companies make generic Brimonidine, which is good for competition and pricing. However, if one or two manufacturers experience production delays, packaging issues, or raw material shortages, the remaining suppliers may not be able to pick up the slack fast enough. These temporary hiccups can ripple through the supply chain, making the drops hard to find at certain pharmacies for days or weeks.
Your insurance plan may prefer a specific manufacturer or formulation. Some plans require step therapy — meaning they want you to try a different glaucoma drop first before covering Alphagan P. Others may only cover the generic and not the brand. This can create a mismatch between what your doctor prescribed and what's available at your pharmacy's price, sending you on a hunt.
Drug distributors sometimes place allocation limits on certain medications, especially when supply tightens. This means a pharmacy can only order a set number of units per week — even if they have patients waiting. Independent pharmacies and smaller chains are sometimes affected more than large national chains.
Don't panic. There are real, actionable steps you can take today:
Finding your medication shouldn't feel like a scavenger hunt — but with Alphagan, a little planning goes a long way. Stock issues are usually temporary, and with tools like Medfinder, you don't have to call pharmacy after pharmacy yourself.
If you're regularly having trouble, talk to your ophthalmologist about whether a different glaucoma medication might be easier to access while still protecting your vision. Your eye health is too important to leave to chance.
You focus on staying healthy. We'll handle the rest.
Try Medfinder Concierge FreeMedfinder's mission is to ensure every patient gets access to the medications they need. We believe this begins with trustworthy information. Our core values guide everything we do, including the standards that shape the accuracy, transparency, and quality of our content. We’re committed to delivering information that’s evidence-based, regularly updated, and easy to understand. For more details on our editorial process, see here.
%2C%20Color%3DOriginal.png)
