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Natacyn
Natacyn (generic name: natamycin) is an antifungal medication used primarily for the treatment of fungal infections of the eye, specifically fungal keratitis and conjunctivitis. It is effective against a variety of fungi, including Aspergillus, Fusarium, and Candida species.
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Frequently Asked Questions
How quickly does Natacyn work?
Patients may start to notice improvement within a few days, but full resolution of symptoms can take longer depending on the severity of the infection.
Can I use Natacyn while wearing contact lenses?
No, it is recommended to avoid wearing contact lenses while using Natacyn and until the infection is resolved.
What should I do if I miss a dose?
If you miss a dose, apply it as soon as you remember. If it’s close to the time for your next dose, skip the missed dose and continue with your regular schedule.
Are there any dietary restrictions while using Natacyn?
There are no specific dietary restrictions while using Natacyn.
Is Natacyn safe during pregnancy or breastfeeding?
Consult your healthcare provider if you are pregnant or breastfeeding to discuss the risks and benefits of using Natacyn, as safety during these periods is not fully established.
Comprehensive Drug Guide
How Does Natacyn Work?
Natamycin works by binding to sterols in the fungal cell membrane, disrupting its integrity and leading to cell death. This action helps eliminate the fungal organisms causing the infection.
Common Dosages
- Ophthalmic Suspension: 5% solution.
Typical Dosing
- For the treatment of fungal infections, the usual dosing is 1 drop instilled into the affected eye(s) every 2 hours for the first few days, followed by a gradual reduction in frequency based on clinical response.
Typical Dosing
FDA Approved Indications
- Fungal Infections of the Eye: including fungal keratitis and conjunctivitis caused by susceptible organisms.
Who Shouldn't Take Natacyn?
- Known hypersensitivity to natamycin or any component of the formulation.
- Eye infections caused by organisms that are not susceptible to natamycin.
Advice From The Pharmacist
- Follow the prescribed dosing schedule closely and ensure proper application technique to avoid contamination of the dropper.
- Avoid touching the dropper tip to any surface, including the eye, to maintain sterility.
- If using other eye medications, space them out by at least 5 to 10 minutes to ensure efficacy.
Side Effects of Natacyn
Common Side Effects
- Burning or stinging sensation upon application
- Eye redness
- Itching
- Blurred vision
Uncommon/Severe Side Effects
- Severe allergic reactions (rash, itching, swelling)
- Signs of worsening infection.
Risks and Warnings of Natacyn
- Allergic Reactions: Monitor for any signs of hypersensitivity and discontinue use if severe reactions occur.
- Contact Lens Use: Avoid using contact lenses while treating eye infections until the infection has resolved and your healthcare provider gives clearance.
Interactions with Natacyn
Common Drug Interactions
- Other Ophthalmic Medications: Avoid using multiple eye drops simultaneously without proper spacing to prevent reduced effectiveness.
Alternatives to Natacyn
- Other Antifungal Treatments: Such as voriconazole or amphotericin B for systemic or more severe fungal infections.
- Different Antifungal Agents: Depending on the specific type of fungal infection.
