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Timolol vs. Levobunolol

Timolol is an eye drop medication that's used to lower pressure within the eye and treat glaucoma. This medication belongs to the drug class called beta blockers. Timolol can be used by itself or together with other eye drops. The usual dosage is a drop of timolol into the eye(s) once or twice a day. Common side effects include burning or stinging after you put in the eye drops, but this is generally a temporary feeling. Although the brand name Timoptic was discontinued, the generic version is still available.

• High pressure in the eye caused by ocular hypertension (high pressure inside the eye) or open-angle glaucoma (the most common type of glaucoma)

• Temporary burning or stinging in the eye after using

• Higher risk for heart failure
• Not recommended for people with breathing problems
• Hidden symptoms of low blood sugar
• Hidden symptoms of overactive thyroid
• Worsening of myasthenia gravis

Levobunolol, also known under the brand name Betagan, is an ophthalmic (eye) medication that helps lower the pressure within the eye. It's approved for adults with glaucoma or ocular hypertension (high pressure in the eye). This medication is a beta blocker that helps lower the amount of fluid in the eye. Levobunolol (Betagan) comes as 0.5% eye drops that used once or twice a day. Potential side effects include temporary burning and stinging in the eye.

• High pressure in the eye caused by open-angle glaucoma or ocular hypertension

• Temporary burning or stinging in the eye (up to 33%)

• Risk of heart failure
• Caution in people with blood circulation problems
• Not recommended for people with breathing problems
• Hidden symptoms of low blood sugar
• Hidden symptoms of overactive thyroid
• Worsening of myasthenia gravis
• Risk of allergic reaction