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Mydriacyl: Uses, Side Effects and Dosage

Updated:
Facts
Status:
Prescription (Rx)
Strength:
0.5 %, 1 %
Active ingredient:

Patient Medication Information: uses, side effects, how to take - Mydriacyl

ABOUT THIS MEDICATION

What the medication is used for:

MYDRIACYL is used by a healthcare professional to better see the back of your eye and to test your vision during an eye exam.

What it does:

MYDRIACYL contains tropicamide, which works by enlarging the pupil of your eye (mydriasis) and relaxing the muscles in your eye (cycloplegia).

When it should not be used:

MYDRIACYL should not be administered if you:

  • Are allergic (hypersensitive) to tropicamide or any other

    of the ingredients in MYDRIACYL (see What the important nonmedicinal ingredients are).

  • Have or think you may have narrow angle glaucoma.

What the medicinal ingredient is:

Tropicamide 0.5% w/v

What the important nonmedicinal ingredients are: Preservative: benzalkonium chloride

Others: edetate disodium, sodium chloride, sodium hydroxide and/or hydrochloric acid (to adjust pH), and purified water.

What dosage forms it comes in:

MYDRIACYL is an eye drop solution.

WARNINGS AND PRECAUTIONS

MYDRIACYL should only be for topical instillation in the eye. It should not be used for injection as cases of death have been reported following intravenous injection of this drug.

BEFORE MYDRIACYL is administered, talk to your doctor or pharmacist if you:

  • May have glaucoma or have a family history of

    glaucoma. MYDRIACYL may cause a rise in the pressure in your eye (intraocular pressure). Your doctor should check the pressure in your eye before you start using MYDRIACYL.

  • Are taking any other medicines, including antihistamines,

    amantadine, antipsychotic and antidepressants.

  • Are pregnant or may be pregnant. Do not use

    MYDRIACYL if you are pregnant.

    • Are breastfeeding or planning to breast-feed.

BEFORE MYDRIACYL is administered to your child, talk to your doctor or pharmacist if your child is young or has Down syndrome, spastic paralysis or brain damage. Your child may be at a higher risk of developing serious side effects.

While MYDRIACYL is administered to you or your child

You or your child may have changes in behaviour. Discuss with your doctor.

Contact Lens Wearers

MYDRIACYL contains a preservative, benzalkonium chloride, which is known to affect soft contact lenses. Do not wear contact lenses while MYDRIACYL is being administered to you. Remove your contact lenses before MYDRIACYL treatment and wait at least 15 minutes after treatment before putting your lenses back in.

Driving and Using Machines

MYDRIACYL may cause drowsiness, blurred vision and sensitivity to light. If any of these effects happen to you, wait until your vision clears before driving or using machines.

INTERACTIONS WITH THIS MEDICATION

Tell your doctor or pharmacist about all the medicines you take, recently took or are planning to take, including those without a prescription.

Drugs that may interact with MYDRIACYL include:

  • Amantadine (used to treat Parkinson’s disease and some influenza infections).
  • Antihistamines (used to treat allergies).
  • Antipsychotics.
  • Antidepressants.

PROPER USE OF THIS MEDICATION

Usual dose:

The healthcare professional will apply 1 or 2 drops in the eye(s) 15 to 20 minutes before your eye exam.

MYDRIACYL should not be used for injection. It should only be used for dropping in your eye(s).

Overdose:

If you feel you have been given too much MYDRIACYL, contact your attending healthcare professional for treatment.

Symptoms following an overdose may include: flushing and dryness of the skin, a rash in children, blurred vision, rapid and irregular pulse, fever, abdominal swelling in children, convulsions, hallucinations or loss of coordination.

In case of drug overdose, contact a health care practitioner, hospital emergency department or regional Poison Control Centre immediately, even if there are no symptoms.

SIDE EFFECTS AND WHAT TO DO ABOUT THEM

Like all medicines, MYDRIACYL may cause side effects, although not everybody gets them.

Side effects seen following use of MYDRIACYL include: blurred vision, sensitivity to light, prolonged increase in pupil size, eye pain, eye irritation, eye redness, dizziness, headache, fainting, low blood pressure, nausea and rash.

SERIOUS SIDE EFFECTS, HOW OFTEN THEY HAPPEN AND WHAT TO DO ABOUT THEM
Symptom / effect

Talk with your

doctor or pharmacist

Stop taking drug and call your doctor or pharmacist
Only if severeIn all cases
Unknown

Flushing and dryness of

skin, rash in children,

blurred vision, rapid and

irregular pulse, fever,

abdominal

swelling in children,

convulsions, hallucinations, or loss of

coordination

✓

This is not a complete list of side effects. For any unexpected effects while taking MYDRIACYL, contact your doctor or pharmacist.

HOW TO STORE IT

Prevent from freezing. Do not refrigerate. Avoid excessive heat. Keep tightly closed. Keep out of the reach and sight of children.

REPORTING SUSPECTED SIDE EFFECTS

You can help improve the safe use of health products for Canadians by reporting serious and unexpected side effects to Health Canada. Your report may help to identify new side effects and change the product safety information.

3 ways to report:

  • Online at MedEffect;
  • By calling 1-866-234-2345 (toll-free);
  • By completing a Consumer Side Effect Reporting Form and sending it by:

    • Fax to 1-866-678-6789 (toll-free), or
    • Mail to: Canada Vigilance Program

      Health Canada, Postal Locator 1908C

      Ottawa, ON K1A 0K9

      Postage paid labels and the Consumer Side Effect Reporting Form are available at MedEffect.

NOTE: Contact your health professional if you need information about how to manage your side effects. The Canada Vigilance Program does not provide medical advice.

MORE INFORMATION

This document plus the full Prescribing Information, prepared for health professionals can be found at:

www.alcon.ca

or by contacting the sponsor, Alcon Canada Inc. at: 1-800-613-2245.

Last revised: April 9, 2018

MYDRIACYL is a registered trademark

About this document

Source: Health Canada – Drug Product Database (DPD) and product monographs · DIN (Drug Identification Number): 00000981

Revision date stated in the text: April 9, 2018

Found a mistake? Write to us via the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Drug information for Mydriacyl

Rx or OTC
Prescription (Rx)?
DIN 00000981, 00001007
Schedule(s) PRESCRIPTION
Active ingredient(s) Tropicamide
Dosage form(s) Solution
Route(s) of administration Ophthalmic
Drug class (WHO ATC)
  1. S Sensory organ drugs
    1. S01 Ophthalmologicals
      1. S01F Mydriatics and cycloplegics
        1. S01FA Anticholinergic mydriatics and cycloplegics
          1. S01FA06 Tropicamide
Company ALCON CANADA INC
Current status Marketed
Strengths and forms
DIN Strength Dosage form(s) Current status
00000981 0.5 % Solution Marketed April 24, 2019
00001007 1 % Solution Marketed March 14, 2019

Source: Health Canada – Drug Product Database (DPD) and product monographs, data as of November 1, 2026. Data from the Health Canada Drug Product Database, as published there. Not a substitute for the advice of a doctor or pharmacist.