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timolol ophthalmic solution (Timoptic, Timoptic-XE, Timoptic in Ocudose)

👤by AP 0 comments 🕔Wednesday, December 10th, 2014

DRUG CLASS AND MECHANISM: Timolol is a beta-adrenergic blocking agent. Like other beta-adrenergic blocking agents, it mainly blocks the action of the sympathetic (adrenergic) nervous system, for example, on the heart. In addition to its effect on the heart, timolol causes a reduction of the pressure within the eye (intraocular pressure). This effect is may result from a reduction in production of the liquid (aqueous humor) within the eye. The precise mechanism of this effect is not known. The reduction in intraocular pressure reduces the risk of damage to the optic nerve and loss of vision in patients with glaucoma. Timolol was approved by the FDA for ocular use in 1978.

PRESCRIBED FOR: Timolol is used for the treatment of glaucoma. Oral timolol tablets are used for treating high blood pressure and angina, but this doage form is not discussed in this article.

SIDE EFFECTS: Common side effects include:

blurred vision, and burning or stinging in the eye.

Ophthalmic timolol can cause irritation to the eye which may manifest as pain or dryness in some people.

Medically Reviewed by a Doctor on 12/10/2014

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Pharmacy Author:

Omudhome Ogbru, PharmD

Omudhome Ogbru, PharmD

Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

Medical and Pharmacy Editor:

Charles Patrick Davis, MD, PhD

Charles Patrick Davis, MD, PhD

Dr. Charles "Pat" Davis, MD, PhD, is a board certified Emergency Medicine doctor who currently practices as a consultant and staff member for hospitals. He has a PhD in Microbiology (UT at Austin), and the MD (Univ. Texas Medical Branch, Galveston). He is a Clinical Professor (retired) in the Division of Emergency Medicine, UT Health Science Center at San Antonio, and has been the Chief of Emergency Medicine at UT Medical Branch and at UTHSCSA with over 250 publications.

Article Credits / Source

AP / MedicineNet.com

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