"The US Food and Drug Administration (FDA) has approved a riboflavin ophthalmic solution (Photrexa, Avedro) that treats a corneal disease called progressive keratoconus with corneal collagen crosslinking, the manufacturer announced today."...
(loteprednol etabonate and tobramycin) Ophthalmic Suspension
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.
Chemical name: chloromethyl 17α-[(ethoxycarbonyl)oxy]-11β-hydroxy-3-oxoandrosta-1,4diene-17β-carboxylate
Chemical Name: O-3-Amino-3-deoxy-α-D-glucopyranosyl-(1→ 4)-O- [2,6-diamino2,3,6-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 5.7-5.9. The suspension is essentially isotonic with a tonicity of 260 to 320 mOsm/kg.
What are the possible side effects of loteprednol and tobramycin ophthalmic (Zylet)?
If you experience a rare but serious allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives) to loteprednol and tobramycin ophthalmic, stop using the medication and seek emergency medical attention.
Serious side effects are not likely to occur with the use of this medication. Rarely, an increase in the pressure inside of the eye, formation of cataracts, or perforation of the cornea have been reported. Talk to your doctor about any possible side effects.
More commonly, some eye burning, stinging,...
What are the precautions when taking loteprednol etabonate and tobramycin (Zylet)?
Before using this medication, tell your doctor or pharmacist if you are allergic to tobramycin or loteprednol; or to aminoglycoside antibiotics (e.g., gentamicin, neomycin); or to corticosteroids (e.g., hydrocortisone, prednisone); or if you have any other allergies. This product may contain inactive ingredients (such as preservatives like benzalkonium chloride), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: other eye problems (e.g., glaucoma).
After you apply this drug, your vision may become temporarily unstable. Do not drive, use machinery, or do any activity that requires clear vision until you are sure you can perform such...
Last reviewed on RxList: 3/5/2013
This monograph has been modified to include the generic and brand name in many instances.
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