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

Pharmacy Author:
Medical and Pharmacy Editor:

Rarely, timolol eye drops can result in side effects that are seen with other oral beta adrenergic blockers. For example, persons can experience:

PRESCRIPTION: yes

GENERIC AVAILABLE: yes

PREPARATIONS: Ophthalmic solution: 0.25%, 0.5%. There is also a gel-forming solution (Timoptic-XE) in a 0.25% and 0.5% concentration.

STORAGE: Ophthalmic solution should be kept at room temperature, 15 C - 30 C (59 F - 86 F) and protected for direct light.

DOSING:

  • Both hands should be washed before each use of timolol or any other eye medication.
  • The head should be tilted back and the lower lid pulled down with the index finger to form a pouch.
  • The tip of the dropper should not be touched to the eye or eyelid.
  • The bottle should be squeezed slightly to allow the prescribed number of drops into the pouch.
  • The eye is closed gently for 1 to 2 minutes without blinking.
  • The usual dose is one drop into the affected eye twice daily.
  • Timoptic-XE gel forming solution dose is one drop once per day.

DRUG INTERACTIONS: Combined use of oral beta-adrenergic blocking agents, for example, propranolol (Inderal), atenolol (Tenormin), metoprolol (Lopressor) or carvedilol (Coreg) with ophthalmic timolol can result in additive effects. Thus, patients may experience excessively low blood pressure or reductions in heart rate.

Medically Reviewed by a Doctor on 12/10/2014


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