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Pronunciation |
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(trye
FLURE i
deen) |
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U.S. Brand
Names |
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Viroptic®
Ophthalmic |
|
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Generic
Available |
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No |
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Synonyms |
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F3T; Trifluorothymidine |
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Pharmacological Index |
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Antiviral Agent, Ophthalmic |
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|
Use |
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Treatment of primary keratoconjunctivitis and recurrent epithelial keratitis
caused by herpes simplex virus types I and II |
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Pregnancy Risk
Factor |
|
C |
|
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Contraindications |
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Known hypersensitivity to trifluridine or any component |
|
|
Warnings/Precautions |
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Mild local irritation of conjunctival and cornea may occur when instilled but
usually transient effects |
|
|
Adverse
Reactions |
|
1% to 10%: Local: Burning, stinging
<1%: Hyperemia, palpebral edema, epithelial keratopathy, keratitis,
stromal edema, increased intraocular pressure, hypersensitivity reactions
|
|
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Drug
Interactions |
|
No data reported |
|
|
Stability |
|
Refrigerate at 2°C to 8°C
(36°F to 46°F); storage at room
temperature may result in a solution altered pH which could result in ocular
discomfort upon administration and/or decreased potency |
|
|
Mechanism of
Action |
|
Interferes with viral replication by incorporating into viral DNA in place of
thymidine, inhibiting thymidylate synthetase resulting in the formation of
defective proteins |
|
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Pharmacodynamics/Kinetics |
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Absorption: Ophthalmic instillation: Systemic absorption is negligible, while
corneal penetration is adequate |
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Usual Dosage |
|
Adults: Instill 1 drop into affected eye every 2 hours while awake, to a
maximum of 9 drops/day, until re-epithelialization of corneal ulcer occurs; then
use 1 drop every 4 hours for another 7 days; do not exceed 21 days of
treatment; if improvement has not taken place in 7-14 days, consider another
form of therapy |
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|
Mental Health: Effects
on Mental Status |
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None reported |
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|
Mental Health:
Effects on Psychiatric
Treatment |
|
None reported |
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|
Dental Health: Local
Anesthetic/Vasoconstrictor
Precautions |
|
No information available to require special precautions |
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Dental Health:
Effects on Dental Treatment |
|
No effects or complications reported |
|
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Patient
Information |
|
For ophthalmic use only. Store in refrigerator; do not use discolored
solution. Apply prescribed amount as often as directed. Wash hands before using
and do not let tip of applicator touch eye or contaminate tip of applicator.
Tilt head back and look upward. Gently pull down lower lid and put drop(s) in
inner corner of eye. Close eye and roll eyeball in all directions. Do not blink
for 1/2
minute. Apply gentle pressure to inner corner of eye for 30 seconds. Wipe away
excess from skin around eye. Do not use any other eye preparation for at least
10 minutes. Do not touch tip of applicator to eye or contaminate tip of
applicator. Do not share medication with anyone else. May cause sensitivity to
bright light (dark glasses may help); temporary stinging or blurred vision may
occur. Inform prescriber if you experience eye pain, redness, burning, watering,
dryness, double vision, puffiness around eye, vision disturbances, or other
adverse eye response; worsening of condition or lack of improvement within 7-14
days. Pregnancy/breast-feeding precautions: Inform prescriber if you are
pregnant. Consult prescriber if breast-feeding. |
|
|
Nursing
Implications |
|
Monitor ophthalmologic exam (test for corneal staining with fluorescein or
rose bengal) |
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Dosage Forms |
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Solution, ophthalmic: 1% (7.5
mL) |
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