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    What is Natamycin used for?

    Natamycin is an antifungal eye drops used to treat certain types of fungal eye infections, such as fungal blepharitis (eyelid inflammation), conjunctivitis (pink eye) and keratitis (corneal inflammation), caused by susceptible organisms including Fusarium solani keratitis. Natamycin works by stopping the growth of the fungus.

    Natamycin eye drops is indicated for the treatment of fungal eye infections only and this medicine is not used to treat viral or bacterial eye infections. Natamycin eye drops may also be used to treat other conditions as determined by your doctor.

    What is the recommended dosage of Natamycin?

    The dosage of Natamycin prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

    Wash your hands before applying the Natamycin eye drops. Shake the bottle well before each use.

    To apply eye drops, tilt your head back and pull down the lower eyelid to form a pouch. Place a drop into the pouch and gently close your eyes. Apply light pressure for 1 to 2 minutes to the inside corner of your eye (near your nose), to prevent the eye drops from draining out. Allow at least 5 minutes before applying other eye drops.

    To avoid contamination, do not let the dropper tip touch your eyes, fingers or any other surface.

    What if you miss a dose of Natamycin?

    If your physician has instructed or directed you to apply Natamycin eye drops in a regular schedule and you have missed a dose of this medicine, apply it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses to catch up for the missed dose.

    What if you overdose on Natamycin?

    Any medication used in excess can have serious consequences. If you suspect an overdose of Natamycin, wash your eyes with water and seek medical attention immediately.

    What other drugs could interact with Natamycin?

    It may be noted that drugs other than those listed above may also interact with Natamycin.

    Natamycin can interact with the following types of medicines: corticosteroid eye medications.

    Usually drug interactions occur when it is used with another drug or with food. Before you use a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications (over-the-counter products) and dietary supplements like vitamins, minerals and herbal, which may increase the effect of Natamycin, so that the doctor can warn you of any possible drug interactions.

    Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

    What are the side effects of Natamycin?

    Like other medicines, Natamycin can cause some side effects. If they do occur, the side effects of Natamycin are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

    It is pertinent to note that side effects of Natamycin cannot be anticipated. If any side effects of Natamycin develop or change in intensity, the doctor should be informed as soon as possible.

    Natamycin can cause side effects such as eye discomfort, swelling, irritation, stinging, burning and redness. Some of the serious side effects of Natamycin may include conjunctival chemosis, eye hyperemia and eye pain. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are using Natamycin.

    What are the questions to ask your doctor before taking Natamycin?

    Is it possible for me to apply Natamycin with other drugs?
    Should certain beverages, foods and other products be avoided when I apply Natamycin?
    What are the possible drug interactions of Natamycin?
    How will Natamycin work in my body?
    How should Natamycin be used?
    How to reduce the risk of Natamycin drug interactions and side effects?

    What other important information should you know about Natamycin?

    • Natamycin eye drops may cause blurred vision. After applying the eye drops be careful while driving or operating machinery.
    • Before using the Natamycin eye drops, tell your doctor if you are pregnant or trying to get pregnant or breast-feeding.
    • Store Natamycin eye drops away from heat, moisture and light. Do not store the medicine in the bathroom.
    • Do not freeze Natamycin eye drops.


    The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. It should not be understood to indicate that the use of Natamycin is safe, appropriate or effective for you. Always consult your health care professional before using this, or any other, drug.


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