"In laboratory tests, researchers have used electrical stimulation of retinal cells to produce the same patterns of activity that occur when the retina sees a moving object. Although more work remains, this is a step toward restoring natural, high"...
(betaxolol hydrochloride) Ophthalmic Suspension 0.25% as Base, Sterile Topical Ophthalmic Drops
BETOPTIC S® Ophthalmic Suspension 0.25% contains betaxolol hydrochloride, a cardioselective beta-adrenergic receptor inhibitor, in a sterile resin suspension formulation. Betaxolol hydrochloride is a white, crystalline powder, with a molecular weight of 343.89. The chemical structure is presented below.
Each mL of BETOPTIC S® (betaxolol hydrochloride ophthalmic suspension) Ophthalmic
Suspension 0.25% contains: Active: betaxolol HCl 2.8 mg equivalent to 2.5 mg of betaxolol base. Preservative: benzalkonium chloride 0.01%. Inactive(s): Mannitol, Poly(Styrene-Divinyl Benzene) sulfonic acid, Carbomer 934P, edetate disodium, hydrochloric acid or sodium hydroxide (to adjust pH) and purified water.
BETOPTIC S® (betaxolol hydrochloride ophthalmic suspension) Ophthalmic Suspension 0.25% has a pH of approximately 7.6 and an osmolality of approximately 290 mOsmol/kg.
What are the possible side effects of betaxolol ophthalmic (Betoptic S)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using this medication and call your doctor at once if you have any of these serious side effects:
- severe swelling, itching, burning, redness, pain, or discomfort in or around your eye;
- drainage, crusting, or oozing of your eyes or eyelids;
- bronchospasm (wheezing, chest tightness, trouble breathing);
- slow heart rate, weak pulse, fainting, slow breathing (breathing may...
What are the precautions when taking betaxolol hydrochloride ophthalmic suspension (Betoptic S)?
Before using betaxolol, tell your doctor or pharmacist if you are allergic to it; or to other beta blockers (e.g., timolol, metipranolol); or if you have any other allergies. This product may contain inactive ingredients (such as preservatives like benzalkonium chloride), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain types of heart rhythm problems (e.g., sinus bradycardia, second- or third-degree atrioventricular block), certain serious heart conditions (cardiogenic shock, severe heart failure).
Before using this medication, tell your doctor or pharmacist your medical...
Last reviewed on RxList: 7/14/2008
This monograph has been modified to include the generic and brand name in many instances.
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