Comprehensive medication guide to Betoptic S including estimated pricing, availability information, side effects, and how to find it in stock at your local pharmacy.
Estimated Insurance Pricing
$30–$150+ copay per bottle depending on plan tier; Betoptic S is typically placed on Tier 3–4 on commercial and Medicare Part D plans, and often requires prior authorization or step therapy before coverage is approved.
Estimated Cash Pricing
$400–$521 retail for the brand Betoptic S (10 mL); as low as $362 with a GoodRx coupon at participating pharmacies. Generic betaxolol ophthalmic solution (Betoptic, not the S suspension) is available for as little as $21 with discount cards.
Medfinder Findability Score
45/100
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Betoptic S is the brand name for betaxolol hydrochloride ophthalmic suspension 0.25%, a prescription eye drop used to lower elevated intraocular pressure (IOP) in patients with chronic open-angle glaucoma or ocular hypertension. It is manufactured by Novartis and was first approved by the FDA in 1985.
Betoptic S is classified as a cardioselective beta-1 adrenergic receptor blocker. The "S" in its name refers to the proprietary suspension formulation, which is significantly more comfortable than the original Betoptic solution (0.5%) due to its pH and osmolality closely matching the natural tear film.
The standard dose is one drop in the affected eye(s) twice daily. Betoptic S begins lowering IOP within 30 minutes, reaches peak effect at approximately 2 hours, and provides about 12 hours of pressure reduction per dose.
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Betoptic S lowers intraocular pressure by reducing the production of aqueous humor — the fluid inside the eye. The active ingredient betaxolol blocks beta-1 adrenergic receptors in the ciliary body (the tissue that produces aqueous humor). When these receptors are blocked, the ciliary body receives less stimulation to produce fluid, resulting in lower IOP.
What makes betaxolol clinically distinctive is its cardioselectivity — it preferentially blocks beta-1 receptors while having minimal affinity for beta-2 receptors in the lungs. Nonselective beta blockers like timolol block both receptor types, which can trigger bronchoconstriction in patients with asthma or COPD. Betoptic S's selectivity makes it the preferred ophthalmic beta blocker for patients with reactive airway disease.
Betoptic S is devoid of intrinsic sympathomimetic activity and has no significant membrane-stabilizing (local anesthetic) activity at clinically relevant doses. The drug is partially absorbed systemically through the nasolacrimal duct, which is why it can affect heart rate and blood pressure in susceptible patients.
0.25% — ophthalmic suspension
2.5 mg/mL betaxolol as base; available in 2.5 mL, 5 mL, 10 mL, and 15 mL DROP-TAINER bottles
Betoptic S can be challenging to find at retail pharmacies in 2026. As a brand-name-only product (no FDA-approved generic suspension exists), pharmacies stock it in limited quantities. The drug's high retail cost ($400–$521 per 10 mL bottle) reduces prescription volume, leading pharmacies to order reactively rather than proactively. This creates frequent short-term stockouts at individual locations.
Betoptic S is not currently on the FDA's official drug shortage list. However, patients frequently need to call multiple pharmacies to locate it. The drug is most reliably available at specialty ophthalmic pharmacies and mail-order services affiliated with insurance plans.
If you're struggling to locate Betoptic S at your local pharmacy, medfinder calls pharmacies near you to check which ones have your medication in stock and texts you the results.
Betoptic S is not a controlled substance and can be prescribed by any licensed healthcare provider. In practice, it is most commonly prescribed by eye care specialists who diagnose and manage glaucoma and ocular hypertension:
Telehealth is generally not appropriate for initial Betoptic S prescribing because glaucoma diagnosis requires in-person IOP measurement and optic nerve evaluation. Established patients with stable IOP may be able to receive refill authorizations remotely through their eye doctor's patient portal.
No. Betoptic S (betaxolol hydrochloride ophthalmic suspension) is not a controlled substance. It is not classified under any DEA schedule and has no known potential for abuse or dependence. It is, however, a prescription-only medication and requires a valid prescription from a licensed healthcare provider to dispense.
Because Betoptic S is not controlled, prescriptions can be called in or electronically transmitted by any licensed prescriber, and pharmacies can refill it without the restrictions that apply to Schedule II–V controlled substances (such as limits on quantity or refills). Patients may request refills by phone or through their pharmacy app without special authorization.
Most side effects of Betoptic S are mild and localized to the eye:
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Timolol (Timoptic)
Nonselective ophthalmic beta blocker; more IOP reduction than betaxolol but contraindicated in asthma/COPD; inexpensive generic available
Latanoprost (Xalatan)
Prostaglandin analog; first-line for most glaucoma patients; once-daily dosing; inexpensive generic; increases aqueous outflow rather than reducing production
Brimonidine (Alphagan P)
Alpha-2 adrenergic agonist; suitable for patients who cannot use beta blockers; available as generic; BID–TID dosing
Dorzolamide (Trusopt)
Carbonic anhydrase inhibitor; often used as add-on therapy when monotherapy is insufficient; inexpensive generic; available in fixed-dose combo with timolol (Cosopt)
Prefer Betoptic S? We can find it.
Oral beta-adrenergic blockers (metoprolol, atenolol, propranolol)
moderateAdditive systemic beta-blockade; may cause excessive bradycardia and hypotension
Catecholamine-depleting drugs (reserpine)
moderateAdditive effects — risk of hypotension, bradycardia, vertigo, syncope, postural hypotension
Calcium channel blockers (verapamil, diltiazem) and antiarrhythmics
moderateRisk of AV conduction disturbances and hypotension
Insulin and oral hypoglycemics
minorMay mask tachycardia symptom of hypoglycemia; monitor blood glucose closely
Adrenergic psychotropic drugs
moderateCaution required due to betaxolol's adrenergic receptor inhibition activity
Betoptic S (betaxolol hydrochloride ophthalmic suspension 0.25%) remains a clinically valuable medication for glaucoma patients, particularly those with respiratory conditions who cannot safely use nonselective beta blockers like timolol. Its cardioselective profile and comfortable suspension formulation make it uniquely suited for a specific patient population.
The primary challenges with Betoptic S in 2026 are cost (retail $400–$521 per bottle, no generic suspension) and inconsistent retail availability. Patients should plan refills in advance, explore discount programs (GoodRx, SingleCare, Novartis PAF), and use a prior authorization if insurance coverage is required.
If you're having trouble locating Betoptic S at your pharmacy, medfinder can call pharmacies near you to check which ones have it in stock — saving you the time and frustration of calling around yourself. Never skip doses without your ophthalmologist's guidance, as uncontrolled intraocular pressure can cause irreversible vision damage.
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