zylet
Zylet is a combination medicine containing Loteprednol Etabonate and Tobramycin.
Loteprednol Etabonate and Tobramycin · by Bausch and Lomb
Key facts
- Active ingredient
- Loteprednol Etabonate and Tobramycin
- Form
- Drops
- Strength
- Loteprednol Etabonate 0.5%; Tobramycin 0.3%
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- Manufacturer
- Bausch and Lomb
- What the pharmacy pays
- ~$19.64 per ml — not your price
- FDA application
- NDA050804
What is Zylet?
From the FDA label:ZYLET (loteprednol etabonate and tobramycin ophthalmic suspension) is a sterile, multiple dose topical anti-inflammatory corticosteroid and anti-infective combination for ophthalmic use. Both loteprednol etabonate and tobramycin are white to off-white powders. The chemical structures of loteprednol etabonate and tobramycin are shown below. Loteprednol etabonate: Chemical name: chloromethyl 17α-[(ethoxycarbonyl)oxy]-11 β -hydroxy-3-oxoandrosta-1,4-diene-17 β -carboxylate Tobramycin: Chemical name: O-3-Amino-3-deoxy-α-D-glucopyranosyl-(1→4)-O-[2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranosyl-(1→6)]-2-deoxystreptamine Each mL contains : Actives: Loteprednol Etabonate 5 mg (0.5%) and Tobramycin 3 mg (0.3%). Inactives: Edetate Disodium, Glycerin, Povidone, Purified Water, Tyloxapol, and Benzalkonium Chloride 0.01% (preservative). Sulfuric Acid and/or Sodium Hydroxide may be added to adjust the pH to 5.5 to 6.2. The suspension is essentially isotonic with a tonicity of 260 to 320 mOsm/kg. chemstructure1 image2
How to use
Apply one or two drops of ZYLET into the conjunctival sac of the affected eye every four to six hours. ( 2.1 ) 2.1 Recommended Dosing Apply one or two drops of ZYLET into the conjunctival sac of the affected eye every four to six hours. During the initial 24 to 48 hours, the dosing may be increased, to every one to two hours. Frequency should be decreased gradually as warranted by improvement in clinical signs. Care should be taken not to discontinue therapy prematurely. 2.2 Prescription Guideline Not more than 20 mL should be prescribed initially and the prescription should not be refilled without further evaluation [see Warnings and Precautions ( 5.3 )].
Side effects
Adverse reactions have occurred with steroid/anti-infective combination drugs which can be attributed to the steroid component, the anti-infective component, or the combination. ZYLET In a 42-day safety study comparing ZYLET to placebo, ocular adverse reactions included injection (approximately 20%) and superficial punctate keratitis (approximately 15%). Increased intraocular pressure was reported in 10% (ZYLET) and 4% (placebo) of subjects. Nine percent (9%) of ZYLET subjects reported burning and stinging upon instillation. Ocular reactions reported with an incidence less than 4% include vision disorders, discharge, itching, lacrimation disorder, photophobia, corneal deposits, ocular discomfort, eyelid disorder, and other unspecified eye disorders. The incidence of non-ocular reactions reported in approximately 14% of subjects was headache; all other non-ocular reactions had an incidence of less than 5%. Loteprednol etabonate ophthalmic suspension 0.2% - 0.5% Reactions associated with ophthalmic steroids include elevated intraocular pressure, which may be associated with infrequent optic nerve damage, visual acuity and field defects, posterior subcapsular cataract formation, delayed wound healing and secondary ocular infection from pathogens including herpes simplex, and perforation of the globe where there is thinning of the cornea or sclera. In a summation of controlled,…
Warnings
Important safety information
Intraocular Pressure (IOP) Increase : Prolonged use of corticosteroids may result in glaucoma with damage to the optic nerve, defects in visual acuity and fields of vision. If this product is used for 10 days or longer, IOP should be monitored. ( 5.1 ) • Cataracts : Use of corticosteroids may result in posterior subcapsular cataract formation. ( 5.2 ) • Delayed Healing : The use of steroids after cataract surgery may delay healing and increase the incidence of bleb formation. In those diseases causing thinning of the cornea or sclera, perforations have been known to occur with the use of topical steroids. The initial prescription and renewal of the medication order should be made by a physician only after examination of the patient with the aid of a magnification such as slit lamp biomicroscopy and, where appropriate, fluorescein staining. ( 5.3 ) • Bacterial Infections : Prolonged use of corticosteroids may suppress the host response and thus increase the hazard of secondary ocular infection. In acute purulent conditions, steroids may mask infection or enhance existing infection. If signs and symptoms fail to improve after 2 days, the patient should be re-evaluated. ( 5.4 ) • Viral Infections : Employment of a corticosteroid medication in the treatment of patients with a history of herpes simplex requires great caution. Use of ocular steroids may prolong the course and may exacerbate the severity of many viral infections of the eye (including herpes simplex). ( 5.5 ) • Fungal Infections : Fungal infections of the cornea are particularly prone to develop coincidentally with long-term local steroid application. Fungus invasion must be considered in any persistent corneal ulceration where a steroid has been used or is in use. ( 5.6 ) 5.1 Intraocular Pressure (IOP) Increase Prolonged use of corticosteroids may result in glaucoma with damage to the optic nerve, defects in visual acuity and fields of vision. Steroids should be used with caution in the presence of glaucoma. If this product is used for 10 days or longer, intraocular pressure should be monitored. 5.2 Cataracts Use of corticosteroids may result in posterior subcapsular cataract formation. 5.3 Delayed Healing The use of steroids after cataract surgery may delay healing and increase the incidence of bleb formation. In those diseases causing thinning of the cornea or sclera, perforations have been known to occur with the use of topical steroids. The initial prescription and renewal of the medication order should be made by a physician only after examination of the patient with the aid of magnification such as a slit lamp biomicroscopy and, where appropriate, fluorescein staining. 5.4 Bacterial Infections Prolonged use of corticosteroids may suppress the host response and thus increase the hazard of secondary ocular infections. In acute purulent conditions of the eye, steroids may mask infection or enhance existing infection. If signs and symptoms fail to improve after 2 days, the patient should be re-evaluated. 5.5 Viral Infections Employment of a corticosteroid medication in the treatment of patients with a history of herpes simplex requires great caution. Use of ocular steroids may prolong the course and may exacerbate the severity of many viral infections of the eye (including herpes simplex). 5.6 Fungal Infections Fungal infections of the cornea are particularly prone to develop coincidentally with long-term local steroid application. Fungus invasion must be considered in any persistent corneal ulceration where a steroid has been used or is in use. Fungal cultures should be taken when appropriate. 5.7 Aminoglycoside Hypersensitivity Sensitivity to topically applied aminoglycosides may occur in some patients. If hypersensitivity develops with this product, discontinue use and institute appropriate therapy. 5.8 Risk of Contamination Do not allow the dropper tip to touch any surface, as this may contaminate the suspension. 5.9 Contact Lens Wear As with all ophthalmic preparations containing benzalkonium chloride, patients should be advised not to wear soft contact lenses when using ZYLET.
Who should not take Zylet
ZYLET, as with other steroid anti-infective ophthalmic combination drugs, is contraindicated in most viral diseases of the cornea and conjunctiva including epithelial herpes simplex keratitis (dendritic keratitis), vaccinia, and varicella, and also in mycobacterial infection of the eye and fungal diseases of ocular structures. ( 4.1 ) 4.1 Nonbacterial Etiology ZYLET, as with other steroid anti-infective ophthalmic combination drugs, is contraindicated in most viral diseases of the cornea and conjunctiva including epithelial herpes simplex keratitis (dendritic keratitis), vaccinia, and varicella, and also in mycobacterial infection of the eye and fungal diseases of ocular structures.
Dosage forms
Drops
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
Ask for the generic
Same active ingredient, far cheaper. Is there a generic? →
Request a 90-day supply
Bulk fills usually lower the per-dose price vs monthly refills.
Use copay cards
Manufacturer copay cards & patient-assistance programs — especially for brand drugs.
Compare alternatives
A same-class option may cost less. See alternatives →
Frequently asked questions
- How much does Zylet cost?
- Nobody can tell you what you will pay — your price is set by your insurer's formulary, your deductible and the pharmacy's markup, and none of those are published. What IS published is what the pharmacy paid to acquire it: about $19.64 per ml, per the CMS NADAC survey. Treat that as the floor, not the quote — ask the pharmacist for the cash price as well as your copay, because for cheap generics the cash price often wins. Pharmacies pay less for a same-class option, Alphagan P — about $10.38 on the same basis.
- Is there a coupon or discount for Zylet?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Zylet. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Zylet?
- Zylet is marketed by Bausch and Lomb. You can see Bausch and Lomb's full profile, rating, and other products on pharmaranks.
- Is Zylet a brand-name or generic drug?
- Zylet is a brand-name product with the active ingredient Loteprednol Etabonate and Tobramycin.
- Is Zylet available over the counter?
- No. Zylet is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
- What forms does Zylet come in?
- Zylet is currently marketed as drops, per the FDA's National Drug Code Directory.
- Is Zylet FDA-registered?
- Zylet is on record with the U.S. FDA under application number NDA050804. You can verify this on its official FDA label.
- Is Zylet safe?
- There's no single safe-or-not verdict, and we don't yet have a composite recall-safety score for Zylet. Review its FDA-label side effects and warnings below, and always consult a licensed professional.
- What are the side effects of Zylet?
- Zylet's side effects are taken directly from its FDA label. From the label: Adverse reactions have occurred with steroid/anti-infective combination drugs which can be attributed to the steroid component, the anti-infective component, or the combination. ZYLET In a 42-day safety study comparing ZYLET to placebo,… Both common and serious reactions are documented in full on this page. This is general reference from the FDA, not medical advice — always consult a professional.
Clinical content sourced from the FDA label via openFDA (U.S. FDA). View the FDA label on DailyMed → Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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