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Tropicamide Ophthalmic

Prescription
Ophthalmic Short-Acting Mydriatic / Cycloplegic
Last reviewed 22 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
1 available
Formulations
1

Mechanism of action

Short-acting muscarinic receptor antagonist causing rapid mydriasis (15–20 min) and mild cycloplegia. Shortest duration of any mydriatic (4–8h in dogs, 6–12h in cats) — ideal for diagnostic fundoscopy.

At a glance

Class
Ophthalmic Short-Acting Mydriatic / Cycloplegic
Schedule
Prescription
Storage
Store at room temperature, protect from light

Dosing

🐕

Dog

Preferred mydriatic for routine fundoscopy — fastest onset and shortest duration
Dose
Route
Ophthalmic
Frequency
Single application for diagnostic mydriasis
🐈

Cat

Same diagnostic use
Dose
Route
Ophthalmic
Frequency
Single application
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Formulations

💊

Other — 1

Strength

Storage

Store at room temperature, protect from light

Safety

Monitoring parameters

Pupil dilation adequacyIOP (in glaucoma suspects)
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Interactions

No documented interactions.

Brands

Other markets

Mydriacyl
Alcon

FAQs

Frequently asked questions

What is Tropicamide Ophthalmic?
Tropicamide Ophthalmic is a ophthalmic short-acting mydriatic / cycloplegic used in pets. Short-acting muscarinic receptor antagonist causing rapid mydriasis (15–20 min) and mild cycloplegia. Shortest duration of any mydriatic (4–8h in dogs, 6–12h in cats) — ideal for diagnostic fundoscopy.
What is Tropicamide Ophthalmic used for in pets?
Tropicamide Ophthalmic is used in veterinary medicine for: Preferred mydriatic for routine fundoscopy — fastest onset and shortest duration; Same diagnostic use.
What is the Tropicamide Ophthalmic dose for dogs?
For dogs, Tropicamide Ophthalmic is typically dosed as follows — Preferred mydriatic for routine fundoscopy — fastest onset and shortest duration: undefined undefined Ophthalmic Single application for diagnostic mydriasis. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Tropicamide Ophthalmic dose for cats?
For cats, Tropicamide Ophthalmic is typically dosed as follows — Same diagnostic use: undefined undefined Ophthalmic Single application. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Tropicamide Ophthalmic need a prescription?
Yes. Tropicamide Ophthalmic is a prescription medication and should only be administered under veterinary supervision.
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

References

References

The PetCare.AI drug reference is built from 13 authoritative sources cited across 580 drug monographs.

Textbooks & handbooks — 5

  • Plumb's Veterinary Drug Handbook
  • Withrow & MacEwen's Small Animal Clinical Oncology
  • Merck Veterinary Manual
  • NRC Nutrient Requirements of Dogs and Cats
  • Veterinary Pharmacology and Therapeutics (Riviere & Papich)

Clinical guidelines & consensus — 4

  • ASPCA Animal Poison Control Center Guidelines
  • AAHA Diabetes Management Guidelines
  • ASPCA Poison Control Guidelines
  • RECOVER CPR Guidelines

Journals & peer-reviewed studies — 2

  • EPIC Study (J Vet Intern Med 2016)
  • JVIM FAT CAT Study

Regulatory & approvals — 1

  • CDSCO Veterinary Drug Approval Registry (1969–2026)

Databases — 1

  • Washington State University VCPL MDR1 Database
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