Emedastine | Side Effects, Dosage, Uses & More
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Generic Name:

emedastine, Ophthalmic solution

All Brands

  • Emadine
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Highlights for emedastine

Ophthalmic solution
1

Emedastine is used to relieve symptoms of an allergic condition of your eyes called allergic conjunctivitis. This condition causes your eyes to itch. It can also cause redness, watering, swelling, and irritation of your eyes.

2

This drug is available as an ophthalmic solution. These are eye drops that you put (instill) into your eyes.

3

Emedastine is available as a brand-name drug called Emadine. It isn’t available as a generic drug.

4

The most common side effect of this drug is headache. Other side effects include stinging or tearing in your eyes, dry eye, stuffy or runny nose, and a bad taste in your mouth.

5

You shouldn’t wear contact lenses if your eyes are red. Don’t use this drug to treat contact lens-related irritation. A preservative in this solution may be absorbed by your contact lenses. Use this drug before wearing your contacts. Wait at least 10 minutes after placing this drug into your eye before inserting your contact lenses.

IMPORTANT INFORMATION

For ophthalmic use only

Only use this drug in your eyes. This drug shouldn’t be taken any other way, such as by mouth or in your ears.

Proper use

Don’t touch your eyelids or other areas around your eyes with the tip of the dropper. This will help prevent contamination. Close the bottle tightly after you’ve finished using the eye drops.

Contact lenses

You shouldn’t wear contact lenses if your eyes are red. Don’t use this drug to treat contact lens-related irritation. A preservative in this solution may be absorbed by your contact lenses. Use this drug before wearing your contacts. Wait at least 10 minutes after placing this drug into your eye before inserting your contact lenses.

What is emedastine?

This drug is a prescription drug. It’s available as an ophthalmic solution (eye drops).

This drug isn’t available as a generic drug. It’s only available as the brand-name drug called Emadine.

This drug may be used as part of a combination therapy. This means you may need to take it with other medications.

Why it's used

This drug is used to relieve symptoms of an allergic condition of your eyes called allergic conjunctivitis. This condition causes your eyes to itch. It can also cause redness, watering, swelling, and irritation of your eyes.

How it works

This drug belongs to a class of drugs called ophthalmic antihistamines. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions.

More Details

How it works

This drug belongs to a class of drugs called ophthalmic antihistamines. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions.

This drug works by blocking histamine, a substance that normally leads to allergy symptoms. This helps reduce eye symptoms caused by allergies. These include redness, itching, watering, swelling, and irritation.

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emedastine Side Effects

Ophthalmic solution

More Common Side Effects

Some of the more common side effects that can occur with use of emedastine include:

  • headache

  • effects on the eyes, such as:

    • blurry vision
    • tearing
    • burning or stinging
    • redness
    • inflammation
    • hazy white spots on the eye
    • abrasions on your eye
    • dry eye
    • feeling like you have something inside of your eye
  • stuffy or runny nose

  • bad taste in your mouth

  • itching

  • weakness

  • strange dreams

If these effects are mild, they may go away within a few days or a couple of weeks. If they’re more severe or don’t go away, talk to your doctor or pharmacist.

Serious Side Effects

Call your doctor right away if you have serious side effects. Call 9-1-1 if your symptoms feel life-threatening or if you think you’re having a medical emergency.

  • Allergic reactions. Symptoms can include:

    • trouble breathing
    • swelling of your face, lips, throat, or tongue
    • hives
    • skin rash
Pharmacist's Advice
Clinical Associate Professor, University of Illinois at Chicago College of Pharmacy

This drug doesn’t cause drowsiness.

Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we cannot guarantee that this information includes all possible side effects. This information is not a substitute for medical advice. Always discuss possible side effects with a healthcare provider who knows your medical history.
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emedastine May Interact with Other Medications

Ophthalmic solution

An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well. To help prevent interactions, your doctor should manage all of your medications carefully. Be sure to tell your doctor about all medications, vitamins, or herbs you’re taking.

To find out how this drug might interact with something else you’re taking, talk to your doctor or pharmacist.

Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs interact differently in each person, we cannot guarantee that this information includes all possible interactions. This information is not a substitute for medical advice. Always speak with your healthcare provider about possible interactions with all prescription drugs, vitamins, herbs and supplements, and over-the-counter drugs that you are taking.
Drug warnings
contact lenses
People with contact lenses

You shouldn’t wear contact lenses if your eyes are red. Don’t use this drug to treat contact lens-related irritation. A preservative in this solution may be absorbed by your contact lenses. Use this drug before wearing your contacts. Wait at least 10 minutes after placing this drug into your eye before inserting your contact lenses.

Pregnant women
Pregnant women

This drug is a category B pregnancy drug. That means two things:

  1. Studies of the drug in pregnant animals have not shown a risk to the fetus.
  2. There aren’t enough studies done in pregnant women to show if the drug poses a risk to the fetus.

Talk to your doctor if you’re pregnant or planning to become pregnant. This drug should be used only if the potential benefit justifies the potential risk to the fetus.

breast-feeding
Women who are breast-feeding

It isn’t known if this drug passes into breast milk. If it does, it may cause side effects in a child who is breast-fed. 

Talk to your doctor if you breast-feed your baby. You may need to decide whether to stop breast-feeding or stop taking this medication.

children
For children

The safety and effectiveness of this drug haven’t been established in children younger than 3 years of age.

allergies
Allergies

This drug can cause a severe allergic reaction. Symptoms can include: 

  • trouble breathing
  • swelling of your face, lips, throat, or tongue
  • hives
  • skin rash 

Call 9-1-1 or go to the nearest emergency room if you develop these symptoms. 

Don’t take this drug again if you’ve ever had an allergic reaction to it. Taking it again could be fatal (cause death).

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How to Take emedastine (Dosage)

Ophthalmic solution

All possible dosages and drug forms may not be included here. Your dosage, drug form, and how often you take the drug will depend on: 

  • your age
  • the condition being treated
  • how severe your condition is
  • other medical conditions you have
  • how you react to the first dose

What are you taking this medication for?

Allergic conjunctivitis

Brand: Emadine

Form: ophthalmic solution 0.05%
Adult dosage (ages 18 years and older)

Place one drop into the affected eye as needed, up to four times per day.

Child dosage (ages 3–17 years)

Place one drop into the affected eye up to four times per day.

Child dosage (ages 0–2 years)

This medication hasn’t been studied in children. It shouldn’t be used in people younger than 3 years of age.

Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages. This information is not a substitute for medical advice. Always to speak with your doctor or pharmacist about dosages that are right for you.
Pharmacist's Advice
Clinical Associate Professor, University of Illinois at Chicago College of Pharmacy

This drug comes with risks if you don’t take it as prescribed.

If you stop taking the drug or don’t take it at all

Your eye symptoms due to allergies (such as redness, itching, watering, swelling, and irritation) won’t improve or may get worse. 

If you take too much

If you put too much of this drug into your eye, you may have the following symptoms:

  • blurred vision
  • stinging or burning pain in your eye
  • tearing

If you think you’ve taken too much of the drug, act right away. Call your doctor or local poison control center, or go to the nearest emergency room.

How to tell if the drug is working

Your symptoms of allergic conjunctivitis (redness, itching, watering, swelling, and irritation of your eyes) will decrease.

This drug is used for short-term treatment.

Important considerations for taking this drug

Store this drug in the refrigerator or at room temperature

  • Keep it from 39°F to 86°F (4°C to 30°C). Keep it away from high temperatures.
  • Do not store this medication in moist or damp areas, such as bathrooms.

A prescription for this medication is refillable

You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription.

Travel

When traveling with your medication:

  • Always carry your medication with you. When flying, never put it into a checked bag. Keep it in your carry-on bag.
  • Don’t worry about airport x-ray machines. They can’t hurt your medication.
  • You may need to show airport staff the pharmacy label for your medication. Always carry the original prescription-labeled box with you.
  • Don’t put this medication in your car’s glove compartment or leave it in the car. Be sure to avoid doing this when the weather is very hot or very cold.

Self-management

  • Wash your hands before using this drug. 
  • You shouldn’t touch your eyelids or other areas around your eyes with the tip of the dropper. This will help prevent contamination. Close the bottle tightly after you’re finished using the eye drops.
  • Don’t use the eye drops if the solution is discolored.
  • If you wear contact lenses, wait at least 10 minutes after using this drug before inserting your contact lenses.

Insurance

Many insurance companies require a prior authorization for this drug. This means your doctor will need to get approval from your insurance company before your insurance company will pay for the prescription.

Are there any alternatives?

There are other drugs available to treat your condition. Some may be better suited for you than others. Talk to your doctor about other drug options that may work for you.

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How Much Does emedastine Cost?

Ophthalmic solution

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Lowest price for emedastine

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Kroger Pharmacy $127.08
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These prices represent the lowest priced national pharmacies for emedastine on GoodRx. They may be lower than your insurance.

Content developed in collaboration with University of Illinois-Chicago, Drug Information Group

Medically reviewed by Creighton University, Center for Drug Information and Evidence-Based Practice on November 17, 2015

Disclaimer: Healthline has made every effort to make certain that all information is factually correct, comprehensive, and up-to-date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or other healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.
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