Istalol and Trihexane

• Generic Name: timolol ophthalmic
• Dosage Forms: ophthalmic solution
• Other Brand Names: Betimol, Istalol, Timoptic Ocudose, Timoptic Ocumeter, Timoptic Ocumeter Plus, Timoptic-XE, Timoptic

Istalol (timolol) is a beta-blocker that also reduces pressure inside the eye.

Istalol ophthalmic solution is used to treat open-angle glaucoma and other causes of high pressure inside the eye.

Istalol may also be used for purposes not listed in this medication guide.

• Generic Name: trihexyphenidyl
• Dosage Forms: n.a.
• Other Brand Names: Artane, Trihexane

Trihexyphenidyl is used alone or together with other medicines (e.g., levodopa) to treat Parkinson's disease. By improving muscle control and reducing stiffness, this medicine allows more normal movements of the body as the disease symptoms are reduced.

Trihexyphenidyl is also used to control severe muscle reactions and other side effects from certain medicines that are used to treat severe nausea or nervous, mental, or emotional conditions (e.g., haloperidol [Haldol®], loxapine [Loxitane®], prochlorperazine [Compazine®], promethazine [Phenergan®], thiothixene [Navane®]).

This medicine is available only with your doctor's prescription.