Generic Name: Natamycin

  • What is Natacyn?

    Natacyn is an eye drop medicine used to treat fungal blepharitis (inflammation of the eyelids and eyelashes), conjunctivitis ("pink eye'), and keratitis (inflammation of the cornea).

  • What is the most important information I should know about Natacyn?

    Natacyn is for use in your eyes only.

    Use the Natacyn container only if it is undamaged.

    Do not wear your contact lenses if you have signs and symptoms of infection in your eyes.

    Tell your doctor if your symptoms of keratitis do not improve after 7-10 days of using Natacyn; the infection may be caused by an organism that does not respond to Natacyn.

  • Who should not take Natacyn?

    Do not use Natacyn if you are allergic to it or any of its ingredients.

  • What should I tell my doctor before I take the first dose of Natacyn?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Natacyn. Also, talk to your doctor about your complete medical history, especially if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?

    The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

    Fungal Blepharitis and Conjunctivitis

    Adults: Apply 1 drop in the affected eye(s) 4-6 times a day.

    Fungal Keratitis

    Adults: Apply 1 drop in the affected eye(s) every 1-2 hours for the first 3-4 days, then 1 drop 6-8 times a day. It is recommended that you continue the therapy for 14-21 days.

  • How should I take Natacyn?

    Apply Natacyn exactly as prescribed by your doctor. Do not use extra doses or use more often without asking your doctor.

    Shake the Natacyn container well before each use.

  • What should I avoid while taking Natacyn?

    Do not touch the applicator tip to the eye, fingers, or other source, as this can contaminate Natacyn.

  • What are possible food and drug interactions associated with Natacyn?

    No significant interactions have been reported with Natacyn at this time. However, always tell your doctor about any medicines you take, including over-the-counter medications, vitamins, and herbal supplements.

  • What are the possible side effects of Natacyn?

    Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.

    Side effects may include: allergic reactions, change in your vision, chest pain, eye discomfort, eye irritation or pain, eye swelling, foreign body sensation, numbess or tingling, redness in your eye, shortness of breath, tearing

  • Can I receive Natacyn if I am pregnant or breastfeeding?

    The effects of Natacyn during pregnancy and breastfeeding are unknown. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Natacyn?

    If you miss a dose of Natacyn, apply it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not apply two doses at once.

  • How should I store Natacyn?

    Store in the refrigerator or at room temperature. Do not freeze. Avoid exposure to light and excessive heat.