July 28, 2016
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Included as part of the PRECAUTIONS section.


Single Patient Use Only

Do not use this container for more than one patient since NAVSTEL® (balanced salt ophthalmic solution) Solution does not contain a preservative.


Studies suggest that intraocular irrigating solutions which are iso-osmotic with normal aqueous fluids should be used with caution in diabetic patients undergoing vitrectomy since intraoperative lens changes have been observed.

Nonclinical Toxicology

Carcinogenesis, Mutagenesis, Impairment of Fertility

The carcinogenic potential of NAVSTEL® (balanced salt ophthalmic solution) Solution has not been investigated. The hypromellose in NAVSTEL (balanced salt ophthalmic solution) ® has been demonstrated to be non-mutagenic in the in vitro Ames assay and the bacterial reverse mutation assay. A similar modified cellulose polymer (methylcellulose) was also non-mutagenic at concentrations up to 5,000 mg/kg in the rat bone marrow cytogenic assay. Fertility studies have not been conducted with hypromellose; however, rats fed a diet of up to 5% methylcellulose had no significant adverse effects relative to reproductive function.

Use In Specific Populations


Pregnancy Category C: There are no adequate and well-controlled studies in pregnant women. NAVSTEL (balanced salt ophthalmic solution) ® Solution should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

Nursing Mothers

There have been no controlled studies addressing the safety of NAVSTEL (balanced salt ophthalmic solution) ® in lactating women. Caution should be exercised when NAVSTEL® (balanced salt ophthalmic solution) is administered to a nursing woman.

Pediatric Use

Safety and efficacy of NAVSTEL® (balanced salt ophthalmic solution) have been demonstrated in pediatric patients.

Geriatric Use

No overall differences in safety or effectiveness have been observed between elderly and other patients.

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 9/3/2008


Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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