What Triesence is used for and how to use it
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Triesence - Consumer Medicine Information

Manufacture: Alcon
Country: Canada
Condition: Ophthalmic Surgery
Class: Topical steroids
Form: Liquid solution, Eye drops (ophthalmic)
Ingredients: triamcinolone acetonide, calcium chloride (dihydrate), carmellose sodium, magnesium chloride (hexahydrate), polysorbate 80, potassium chloride, sodium acetate (trihydrate), sodium citrate, sodium chloride, water for injection

triamcinolone acetonide injectable suspension, 40 mg/mL

About this medication

What the medication is used for

TRIESENCE (triamcinolone acetonide injectable suspension) is a medicine that is used by your doctor during eye surgery.

What it does

This medicine is a suspension containing tiny white particles. The particles help to make the structures in your eye more clearly visible during surgery. The medicine itself is not being used to treat a condition.

When it should not be used

  • If you are allergic to triamcinolone or any other ingredients in TRIESENCE. For a full list of ingredients please see below.
  • If you currently have an eye infection caused by the Herpes simplex virus (see doctor).
  • If you currently have a systemic (throughout the body) fungal infection.

What the medicinal ingredient is

The active ingredient is triamcinolone acetonide. One vial (1 mL) of TRIESENCE contains 40 mg of triamcinolone acetonide.

What the important nonmedicinal ingredients are

Calcium chloride (dihydrate), carmellose sodium, magnesium chloride (hexahydrate), polysorbate 80, potassium chloride, sodium acetate (trihydrate), sodium citrate, sodium chloride and water for injection. Tiny amounts of sodium hydroxide and/or hydrochloric acid may be added to adjust acidity (pH) levels.

What dosage forms it comes in

TRIESENCE is a milky white suspension (when shaken). It is available in a pack containing 1 vial of 1 mL of 4% (40 mg/mL) suspension.

LATEX-FREE STOPPER: Stopper is free from natural rubber or natural rubber latex.

Warnings and precautions

BEFORE you are given TRIESENCE talk to your doctor if:

  • you have ever had a reaction to triamcinolone or to any of the other ingredients in TRIESENCE
  • you have, or have recently had, an eye infection
  • you have been diagnosed with an active herpes simplex infection in your eye
  • you have an active fungal infection in your body
  • you are pregnant or might get pregnant. TRIESENCE is not recommended in pregnancy
  • you are breastfeeding

After you have been given TRIESENCE™, consult your doctor immediately if:

  • you develop intense inflammation or infection in or around the eye, ocular discharge, severe vision loss, or severe eye pain/irritation.

Driving and Using Machines

Eye surgery can temporarily affect your vision and your ability to drive or use machines. Do not drive or use machinery until your vision has returned to normal.

Interactions with this medication

Specific interaction studies have not been conducted with TRIESENCE.

Tell your doctor about all medicines, including eye drops, that you are using or plan to use. Include medicines you bought without a prescription.

Proper use of this medication

Usual adult dose

TRIESENCE will be administered by your doctor. The usual dose is less than 1 mL of TRIESENCE (1 to 4 mg of triamcinolone acetonide). The medicine is given by injection inside your eye during surgery. Depending on your condition your doctor may modify the dose.

The TRIESENCE is removed from your eye before the end of the surgical procedure.

Do not resume contact lens wear until advised to do so by your doctor.


No case of overdose has been reported. Because this product is administered by your doctor during surgery, the risk of accidental overdose is very small.

If you suspect you have been given an overdose, contact your doctor, a hospital emergency department or regional Poison Control Centre immediately, even if there are no symptoms.

Missed Dose

TRIESENCE is administered by your doctor during surgery; there is no risk of a missed dose.

Side effects and what to do about them

Like all medicines, TRIESENCE can cause side effects, but not everybody gets them.

If you get a severe allergic reaction after you have been given TRIESENCE, contact your doctor immediately.

Uncommon (affect 1 to 10 people in 1000) side effects include increased pressure in the eye and injury to the back of the eye. Your doctor will check for these side effects when you go back for your follow-up visits after surgery.

Serious side effects, how often they happen and what to do about them

Symptom/effectTalk with your doctor or pharmacist
Only if
In all
UncommonIncreased pressure in eye
Injury to the back of the eye
Not knownInflammation or infection in the eye
Reduced vision

This is not a complete list of side effects. For any unexpected effects after being given TRIESENCE contact your doctor.

How to store it

Your doctor or nurse knows how to store TRIESENCE.


You can report any suspected adverse reactions associated with the use of health products to the Canada Vigilance Program by one of the following 3 ways:
  • Report online at www.healthcanada.gc.ca/medeffect
  • Call toll-free at 1-866-234-2345
  • Complete a Canada Vigilance Reporting Form and:
    • Fax toll-free to 1-866-678-6789, or
    • Mail to: Canada Vigilance Program
                    Health Canada
                    Postal Locator 0701E
                    Ottawa, Ontario
                    K1A 0K9

    Postage paid labels, Canada Vigilance Reporting Form and the adverse reaction reporting guidelines are available on the MedEffectTM Canada Web site at www.healthcanada.gc.ca/medeffect.

NOTE: Should you require information related to the management of side effects, contact your health professional. The Canada Vigilance Program does not provide medical advice.

More information

This document plus the full product monograph, prepared for health professionals can be found on the Health Canada website or by contacting the sponsor, Alcon Canada Inc., at: