Emadine (Emedastine Difumarate)

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Emadine Brand
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Emedastine Difumarate (Generic alternate to Emadine) Generic

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Table of contents:

Emadine is a medication used to treat the symptoms of seasonal allergic conjunctivitis (inflammation of the eyes caused by pollen in patients with hayfever). Emadine contains the active ingredient emedastine difumarate. Emedastine difumarate is an antihistamine.

Emadine works by blocking the action of histamine, a natural substance in the body that causes allergic symptoms such as itching, redness, and swelling. Histamine is released by the immune system in response to an allergen, such as pollen, pet dander, or dust. By blocking histamine, emedastine can relieve eye allergy symptoms such as itching, redness, and watering.

Use and Dosage

Emadine is usually applied to the affected eye(s) twice a day, or as directed by your doctor. To avoid contamination, firstly wash your hands before applying Emadine eye drops. Remove contact lenses before using Emadine eye drops because it contains a preservative that can be absorbed by them. Wait at least 10 minutes after using this medication before putting the lenses back in. Do not wear your contact lenses if your eyes are red.

To apply Emadine eye drops:

  1. Tilt your head back, look upward and pull down the lower eyelid to make a pouch.
  2. Hold the dropper directly over your eye and place one drop into the eye. To avoid contamination, do not touch the dropper tip or let it touch your eye or any other surface. Try not to blink and do not rub your eye.
  3. Look downward and gently close your eyes for 1 to 2 minutes. Place one finger at the corner of your eye (near the nose) and apply gentle pressure. This will prevent the medication from draining out.
  4. Repeat these steps for your other eye if so directed.
  5. After use, do not rinse the dropper. Replace the dropper cap after each use.

If you are using another kind of eye medication (such as drops or ointments), wait at least 5 minutes before applying other medications. Use eye drops before eye ointments to allow the eye drops to enter the eye.

Side Effects

Common Side Effects of Emadine (Emedastine Difumarate):

  • Blurred vision
  • Dry eyes
  • Headache
  • Mild burning or stinging after using the eye drops
  • Strange dreams

Serious Side Effects of Emadine (Emedastine Difumarate):

  • Difficulty breathing and
  • Hives
  • Swelling of your face lips tongue or throat

Forms and Strength

Emadine (Emedastine Difumarate) is available in the following forms and strength:

Emadine: Eye drops

  • 0.05%


  • Emadine may cause serious side effects, including hives, difficulty breathing, and swelling of face, lips, tongue, or throat.
  • Caution should be exercised if you are breastfeeding and using Emadine.
  • Emadine is contraindicated in persons with a known hypersensitivity to emedastine difumarate or any of its components. Always consult a healthcare professional for specific information and guidance about the medication, including potential side effects and precautions.
  • Emadine may cause drowsiness or blurred vision and it may impair your thinking or reactions, avoid driving or operating machinery until you know how this medicine will affect you.
  • Contact lenses should not be worn during the use of Emadine. You should wait at least 10 minutes after applying eye drops to your eyes before inserting contact lenses.
  • Caution should be taken if you have liver or kidney disease.
  • Emadine should be used with caution in patients with a history of eye problems, such as glaucoma or cataracts, as it may worsen these conditions.

Frequently Asked Questions (FAQ)

How does Emadine work?

Emadine works by blocking the action of histamine, a substance that the body produces during an allergic reaction. This helps to reduce the symptoms of allergic conjunctivitis, such as redness, itching, and watering of the eyes.

What other medications should I avoid while using Emadine?

If you are using another kind of eye medication (such as drops or ointments), wait at least 5 minutes before applying other medications. Use eye drops before eye ointments to allow the eye drops to enter the eye.

Are there any precautions I should take before using Emadine?

Before using Emadine, be sure to tell your doctor if you have any allergies, especially to emedastine or any other antihistamines. Also let your doctor know if you are pregnant, breastfeeding, or have any other medical conditions that may affect your use of Emadine.


It's important to purchase Emadine from verified Canadian pharmacy.

Additional information

Generic name:

Emedastine Difumarate



Quantities Available:



Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Emadine (Emedastine Difumarate). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Emadine (Emedastine Difumarate).