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Glaucoma Medications
Glaucoma is an eye disease that gradually steals your vision. Often, glaucoma has no symptoms and can suddenly result in vision loss. Without proper treatment, glaucoma can lead to blindness. The good news is that with regular eye exams, early detection, and treatment, you can preserve your sight. If your eye doctor prescribes a glaucoma medication, it is important to carefully follow your medication regimen to continually preserve a healthy eye pressure and prevent vision loss.
A number of medications are currently in use to treat glaucoma. Your doctor may prescribe a combination of medications or change your prescription over time to reduce side-effects or provide a more effective treatment. Typically medications are intended to reduce elevated intraocular pressure and prevent damage to the optic nerve.
Adrenergic
| Company | Generic Name |
|---|---|
| Allergan Inc. | Dipivefin HCI Ophthalmic Solution USP, 0.1% |
Side effects
Allergic reactions to these drops are frequent. Blurred vision can also occur. Vision can also be decreased in people who have had cataracts removed. Headaches and burning of the eyes are also common. Cardiac side effects may include rapid heart rate or fluctuations in heart rhythm.
Alpha Agonist
| Company | Brand Name | Generic Name |
|---|---|---|
| Alcon Laboratories Inc. | Iopidine® | Apraclonidine HCI 0.5%, 1% |
| Allergan Inc. | Alphagan® P | Brimonide tartrate 0.1%, 0.15% |
Works to both decrease production of fluid and increase drainage.
Side effects
Side effects can include burning or stinging upon instillation of the eye drop, fatigue, headache, drowsiness, dry mouth and dry nose.
Beta Blockers
| Company | Brand Name | Generic Name |
|---|---|---|
| Akorn Ophthalmics | Timolol Maleate USP | Timolol Maleate 0.5% |
| Alcon Laboratories Inc. | Betoptic® S | Betaxolol HCI 0.25%, 0.5% |
| Allergan Inc. | Betagan® | Levobunolol HCI ophthalmic solution, USP 0.25%, 0.5% |
| Bausch & Lomb Pharmaceuticals | OptiPranolol® | Metipranolol 0.3% |
| Johnson & Johnson | Betimol® | Timolol hemihydrate 0.25%, 0.5% |
| Merck & Co. Inc. | Timoptic-XE® | Timolol maleate ophthalmic gel forming solution 0.25%, 0.5% |
Decreases production of intraocular fluid.
Side effects
Side effects can include low blood pressure, reduced pulse rate, and fatigue. Beta blockers can also cause a shortness of breath in people who have a history of asthma or other respiratory disorders. Additionally, beta blockers can change cardiac activity by decreasing the amount of blood the heart pumps out, which may reduce the pulse rate and/or slow down the heart’s response rate during exercise. Rare side effects include reduced libido and depression.
Carbonic Anhydrase Inhibitors
| Company | Brand Name | Generic Name |
|---|---|---|
| Alcon Laboratories Inc. | Azopt™ | Brinzolamide ophthalmic suspension 1% |
| Merck & Co. Inc. | Trusopt® | Dorzolamide HCI 2% |
| Duramed Pharmaceuticals, Inc. | Diamox® Sequels® | Acetazolamide |
Decreases production of intraocular fluid.
Side effects
Side effects of the pill form of these medications can include tingling or loss of strength of the hands and feet, upset stomach, mental fuzziness, memory problems, depression, kidney stones, and frequent urination. Since eyedrop form of this medication is relatively new, long-term studies are yet to be completed. Current effects of the eyedrop include stinging, burning and other eye discomfort.
Cholinergic (Miotic)
| Company | Brand Name | Generic Name |
|---|---|---|
| Alcon Laboratories Inc. | Isopto® Carpine | Pilocarpine HCI 1%, 2%, 4%, 6%, 8% |
| Alcon Laboratories Inc. | Isopto® Carbachol | Carbachol 0.75%, 1.5%, 3% |
| Alcon Laboratories Inc. | Pilopine HS® Gel | Pilocarpine HCI gel 4% |
| Bausch & Lomb Pharmaceuticals | Pilocarpine HCI Ophthalmic Solution USP | Pilocarpine HCI ophthalmic solution USP ) 0.5%, 1%, 2%, 3%, 4%, 6% |
Increases drainage of intraocular fluid.
Side effects
Side effects Many people who use these medications complain of dim vision, especially at night or in darkened areas such as movie theaters. This is due to constriction of the pupil. Miotics increase drainage of intraocular fluid by making the pupil size smaller, thereby increasing the flow of intraocular fluid from the eye.
Combined
| Company | Brand Name | Generic Name |
|---|---|---|
| Allergan Inc. | CombiganTM | Brimonidine Tartrate & Timolol Maleate |
| Merck & Co. Inc. | Cosopt® | Dorzolomide HCI & Timolol Maleate |
Decreases production of intraocular fluid.
CombiganTM is a combination of beta blocker and alpha agonist. Cosopt® is a combination of beta blocker and carbonic anhydrase inhibitor.
Side effects
Side effects of CombiganTM include the symptoms of beta blockers and alpha agonists. Side effects of Cosopt® include burning and/or stinging of the eyes and changes in sense of taste. Since these medications are new to the market, long term follow up of people using these medications is not yet available.
Prostaglandin Analogs
| Company | Brand Name | Generic Name |
|---|---|---|
| Alcon Laboratories Inc. | Travatan®, Travatan® Z | Travaprost 0.004% |
| Allergan Inc. | Lumigan® | Bimatoprost 0.03% |
| Pfizer Inc. | Xalatan® | Latanoprost 0.005% |
Increases drainage of intraocular fluid.
Side effects
In initial studies, between 5% and 15% of people who used this medication reported a gradual change in eye color, due to an increased amount of brown pigment in the iris of the treated eye. The change in eye color occurs slowly and may not be noticeable for several months to years. Other side effects can include stinging, blurred vision, eye redness, itching, and burning. These medications are new to the market, and long term follow up of people who use them is not yet available.