Mydfrin

Name: Mydfrin

Phenylephrine Ophthalmic Interactions

Do not use this medicine while wearing contact lenses. Phenylephrine ophthalmic may contain a preservative that can discolor soft contact lenses. Wait at least 15 minutes after using this medicine before putting in your contact lenses.

This medicine may cause blurred vision and may impair your reactions. Be careful if you drive or do anything that requires you to be able to see clearly.

Tell your doctor if you have used an MAO inhibitor in the past 21 days. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Other drugs may interact with phenylephrine ophthalmic, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Manufacturer

  • Alcon Laboratories, Inc.

  • Alcon Laboratories, Ophthalmic Div.

What happens if I miss a dose?

Apply the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next dose. Do not use extra medicine to make up the missed dose.

What happens if I overdose?

An overdose of phenylephrine ophthalmic is not expected to be dangerous. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222 if anyone has accidentally swallowed the medication.

Mydfrin (phenylephrine ophthalmic) side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Although the risk of serious side effects is low when phenylephrine ophthalmic is used in the eyes, side effects can occur if the medicine is absorbed into your bloodstream. Stop using phenylephrine ophthalmic and call your doctor at once if you have:

  • fast or irregular heart rate;

  • sweating, tremors;

  • pale skin, light-headed feeling;

  • severe headache, buzzing in your ears, anxiety, shortness of breath; or

  • chest pain or pressure, pain spreading to your jaw or shoulder.

Less serious side effects may be more likely, and you may have none at all.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

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