Names and pronunciation
(ah-zell′ah-steen) Optivar
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Drug reference
(ah-zell′ah-steen) Optivar
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Func. class.: Antihistamine (ophthalmic)
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Chem. class.: H1 receptor antagonist
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ACTION: Decreases the allergic response by inhibiting histamine release
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USES: Pruritus from allergic con junctivitis
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CONTRAINDICATIONS: Hyper- sensitivity Precautions: Pregnancy, breastfeeding, child <3 yr
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SIDE EFFECTS CNS: Headache EENT: Eye burning/stinging/irritation, blurred vision, rhinitis, bitter taste INTEG: Pruritus RESP: Asthma, dyspnea, wheezing
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DOSAGE AND ROUTES • Adult/child ≥3 yr: OPHTH 1 drop into each affected eye bid
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Available forms: Ophthalmic solution: 0.05%
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Administer: • Tip of dropper should not touch the eye • Store upright and tightly closed at room temperature
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Assess: • Eyes: for itching, redness, use of soft or hard contact lenses
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Evaluate: • Therapeutic response: absence of red- ness, itching in the eyes
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CLINICAL CONSIDERATIONS A
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Patient and caregiver information: • To use in the eyes only; not to touch dropper to eye/eyelid • Not to wear contact lenses if eyes are red and itching • To wait at least 10 min before insert- ing contact lenses; soft contact lenses can absorb preservative See Appendix B
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PHARMACOKINETICS Onset 3 min, duration 8 hr, half-life 22 hr, protein binding 88%
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• Adult/child ≥3 yr: OPHTH 1 drop into each affected eye bid
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