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Epinastine HCl ophthalmic solution is an H 1 histamine receptor antagonist indicated for the prevention of itching associated with allergic conjunctivitis. Epinastine HCl ophthalmic solution is indicated for the prevention of itching associated with allergic conjunctivitis.

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To minimize the risk of contamination, do not touch dropper tip to any surface. Keep bottle tightly closed when not in use. ( 5.1 ) Epinastine HCl should not be used to treat contact lens-related irritation. ( 5.2 ) Remove contact lenses prior to instillation of epinastine HCl.( 5.2 ) 5.1 Contamination of Tip and Solution Patients should be instructed to avoid allowing the tip of the dispensing container to contact the eye, surrounding structures, fingers, or any other surface in order to avoid contamination of the solution by common bacteria known to cause ocular infections. Serious damage to the eye and subsequent loss of vision may result from using contaminated solutions. Bottle should be kept tightly closed when not in use. 5.2 Use with Contact Lenses Patients should be advised not to wear a contact lens if their eye is red. Epinastine HCl ophthalmic solution should not be used to treat contact lens-related irritation. The preservative in epinastine HCl, benzalkonium chloride, may be absorbed by soft contact lenses. Contact lenses should be removed prior to instillation of epinastine HCl ophthalmic solution and may be reinserted after 10 minutes following its administration. 5.3 Topical Ophthalmic Use Only Epinastine HCl ophthalmic solution is for topical ophthalmic use only and not for injection or oral use.

8.1 Pregnancy: In an embryofetal developmental study in pregnant rats, maternal toxicity with no embryofetal effects was observed at an oral dose that was approximately 150,000 times the maximum recommended ocular human dose (MROHD) of 0.0014 mg/kg/day on a mg/kg basis. Total resorptions and abortion were observed in an embryofetal study in pregnant rabbits at an oral dose that was approximately 55,000 times the MROHD. In both studies, no drug-induced teratogenic effects were noted. Epinastine reduced pup body weight gain following an oral dose to pregnant rats that was approximately 90,000 times the MROHD. There are, however, no adequate and well-controlled studies in pregnant women. …