Istalol and Sapropterin Dihydrochloride

• 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: sapropterin
• Dosage Forms: n.a.
• Other Brand Names: Kuvan

Used to reduce blood phenylalanine concentrations in patients with hyperphenylalaninemia associated with tetrahydrobiopterin (BH4)-responsive phenylketonuria (PKU). Use in conjunction with a phenylalanine-restricted diet. Designated an orphan drug by FDA for this use.