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Tropicam1%
Aristopharma Ltd.
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Tropicamide: Brands, Price & Uses in Bangladesh
Tropicamide is an anticholinergic (antimuscarinic) ophthalmic agent used to produce short-acting mydriasis (pupil dilation) and cycloplegia (temporary paralysis of accommodation) for diagnostic eye…
About Tropicamide
Indications of Tropicamide
Tropicamide is an anticholinergic (antimuscarinic) ophthalmic agent used to produce short-acting mydriasis (pupil dilation) and cycloplegia (temporary paralysis of accommodation) for diagnostic eye examinations.
- Established/FDA-approved use: Pupil dilation (mydriasis) for routine ophthalmoscopic examination of the fundus and posterior segment.
- Established/FDA-approved use: Cycloplegia to facilitate accurate cycloplegic refraction, particularly in children, to measure true refractive error without interference from accommodation.
- Adjunct use: Often combined with a sympathomimetic agent such as phenylephrine to achieve faster onset and more complete mydriasis before ophthalmic examination, laser procedures, or minor diagnostic/surgical eye procedures.
Tropicamide is not intended for the treatment of any ocular disease; it is a diagnostic aid only.
Dosage & Administration of Tropicamide
| Indication | Recommended Dosing |
|---|---|
| Mydriasis for fundus examination (adults and children) | Instill 1 drop of 0.5% or 1% Tropicamide solution into the conjunctival sac; may repeat once after 5 minutes if adequate dilation is not achieved. Examination is usually performed 15-20 minutes after instillation. |
| Cycloplegic refraction | Instill 1 drop of 1% Tropicamide solution, repeated once after 5 minutes; refraction is generally performed 20-30 minutes after the second instillation. Combination with a longer-acting cycloplegic (e.g., cyclopentolate) may be used per physician judgment when deeper cycloplegia is required. |
| Prior to laser or minor diagnostic ophthalmic procedures | As directed by the ophthalmologist, often in combination with phenylephrine for more complete dilation. |
For use by, or under the direct supervision of, a qualified eye-care professional only.
Side Effects of Tropicamide
Ocular side effects are most common and are usually transient:
- Transient stinging or burning sensation immediately after instillation.
- Blurred vision and photophobia (light sensitivity) lasting several hours while the pupil remains dilated.
- Increased intraocular pressure, particularly in individuals predisposed to angle-closure (see Contraindications).
- Superficial punctate keratitis (uncommon).
Systemic anticholinergic effects are uncommon with recommended ophthalmic dosing of Tropicamide but may occur, particularly in infants, young children, and with excessive or repeated dosing:
- Dry mouth, flushed/dry skin, tachycardia (fast heart rate).
- Fever, especially in children.
- Central nervous system disturbances such as restlessness, disorientation, ataxia, or, rarely, hallucinations/psychotic-like reactions, mainly reported in children.
- Rarely, in premature and low-birth-weight infants, cardiorespiratory disturbances (apnea) and feeding intolerance/gastrointestinal dysfunction have been reported with repeated dosing.
Contraindications of Tropicamide
Tropicamide is contraindicated in:
- Patients with known hypersensitivity to Tropicamide or any component of the formulation.
- Patients with narrow-angle glaucoma or a narrow anterior chamber angle, in whom pupil dilation with Tropicamide can precipitate acute angle-closure glaucoma, an ophthalmic emergency.
Frequently Asked Questions about Tropicamide
What is Tropicamide used for?
Tropicamide is an eye drop used by eye-care professionals to temporarily dilate the pupil (mydriasis) and relax the eye's focusing muscle (cycloplegia) so the retina, optic nerve, and internal eye structures can be examined, or so an accurate refraction (glasses prescription) can be measured, especially in children.
How long do the effects of Tropicamide last?
The pupil-dilating effect of Tropicamide usually begins within 15-20 minutes, peaks at 20-40 minutes, and wears off within about 6 hours, after which vision and pupil size typically return to normal.
Will Tropicamide make my vision blurry, and is it safe to drive afterward?
Yes, Tropicamide commonly causes temporary blurred vision and increased sensitivity to light while the pupil is dilated. You should not drive, operate machinery, or perform tasks that require sharp near vision until the effects wear off, generally within a few hours; wearing sunglasses can help with light sensitivity.
Who should not receive Tropicamide?
Tropicamide should not be used in anyone with a known hypersensitivity to Tropicamide, or in people with narrow-angle glaucoma or a narrow anterior chamber angle, because dilating the pupil in these individuals can trigger a sudden, sight-threatening rise in eye pressure (acute angle-closure glaucoma).
Is Tropicamide safe for infants and young children?
Tropicamide is commonly and safely used in infants and children for diagnostic eye examinations under professional supervision, but infants, especially premature or low-birth-weight babies, are more sensitive to systemic anticholinergic effects such as fever, rapid heartbeat, or feeding problems with repeated dosing; eye-care providers use the lowest effective dose and apply gentle pressure at the inner corner of the eye after instillation to reduce absorption.
What should I do if too much Tropicamide is accidentally swallowed or used?
If Tropicamide is accidentally ingested or overused, seek immediate medical attention or contact a poison control center/emergency services, since symptoms such as dry mouth, flushing, fever, rapid heartbeat, confusion, or, in severe cases, seizures can occur; do not attempt to treat this at home.
Disclaimer
The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.