Tropicamide
Mechanism :
It is a potent and quickest acting antimuscarinic drug used to dilate the pupil in cases of some eye procedures.
Indication :
- Pupillary dilation
- Refraction
Contraindications :
Hypersensitivity. Narrow-angle glaucoma or shallow anterior chamber.
Dosing :
Instill 1 to 2 drops (0.5%) 15 to 20 minutes before exam; may repeat every 30 minutes as needed.
Adverse Effect :
Increased intraocular pressure, severe CNS disturbances in children, transient stinging, dry mouth, blurred vision, photophobia, tachycardia, headache, allergic reactions.
Interaction :
May antagonise effects of ophthalmic carbachol, pilocarpine, or cholinesterase inhibitors.
Potentially Fatal: May antagonise effects of ophthalmic carbachol, pilocarpine, or cholinesterase inhibitors.
Hepatic Dose :
No dose adjustment recommended.