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Vira-A
is used to treat certain eye infections.
Side Effects:
This medication may temporarily sting or burn your eyes for a minute
or two when first applied.
If this continues or becomes bothersome, inform your doctor.
Vision may be temporarily blurred or unstable for a period after
applying eye ointment.
Use caution if driving or performing duties requiring clear vision.
This medication may make your eyes sensitive to bright light.
Wearing sunglasses will help minimize this effect.
Notify your doctor immediately if you develop a skin rash, itching,
burning, redness, pain, swelling in or around the eyes or vision
problems while using this medication.
Precautions:
This medication should be used only if clearly needed during pregnancy
or while breast-feeding.
Discuss the risks and benefits with your doctor.
Tell your doctor if you have any eye problems or allergies, especially
to any antibiotics.
In Canada call 1-800-668-1507.

Generic Name: Vidarabine
Related:
Vira-A 3% Ointment - Prescription
Vidarabine
VIROLOGY: Mechanism of Antiviral Action: Acyclovir is
a synthetic purine nucleoside analogue with in vitro and in vivo
inhibitory activity against herpes simplex virus types 1 (HSV-1),
2 (HSV-2), and varicella-zoster virus (VZV).
Clinical isolates of HSV and VZV with reduced susceptibility to
acyclovir have been recovered from immunocompromised patients, especially
with advanced HIV infection.
peak steady-state plasma acyclovir concentrations observed in humans
treated with 30 mg/kg per day (10 mg/kg every 8 hours, dosing appropriate
for treatment of herpes zoster or herpes encephalitis), or 15 mg/kg
per day (5 mg/kg every 8 hours, dosing appropriate for treatment
of primary genital herpes or herpes simplex infections in immunocompromised
patients).
Plasma drug concentrations in animal studies are expressed as multiples
of human exposure to acyclovir at the higher and lower dosing schedules
(see CLINICAL PHARMACOLOGY: Pharmacokinetics). acyclovir, drug.
Vidarabine
The review found no significant difference between a
topical interferon and a topical antiviral agent in healing after
7 days, but found that a topical interferon increased healing after
14 days.
Topical antiviral agents One systematic review has found that topical
antivirals (idoxuridine or vidarabine) increase healing after 14
days compared with placebo, and that trifluridine or aciclovir increase
healing compared with idoxuridine after 7 and 14 days.
We found one RCT (104 people with herpes simplex virus stromal keratitis
[see glossary, p 969] receiving concomitant topical corticosteroids
and a topical antiviral agent [trifluridine]) of oral aciclovir.12
The primary outcome was time to treatment failure, defined as worsening
or no improvement of stromal keratitis or an adverse event. treatment,
antivirals.
Vidarabine
In the present study, effectiveness of topical vidarabine
or subsequent 5-fluorouracil (5-FU) administration was examined
against persistent genital human papillomavirus (HPV) infection
after local surgery.
Thirty patients underwent local eradication treatment of uterine
cervical intra-epithelial neoplasia (CIN) and stage Ia1 uterine
cervical cancers.
The purpose of this study was to evaluate the effectiveness of topical
vidarabine, and 5-FU for vidarabine-resistant cases for persistent
HPV-positive infection after local eradication of CINs and uterine
cervical stage Ia1 (FIGO).
Approximate 1.5 g of vidarabine ointment (Mochida Co., Tokyo, Japan)
was topically applied once a week for four weeks around the uterine
cervices, fornices and the vagina. HPV, Gynecol.
arasena Vidarabine
Arasena-A, an antiviral agent, is indicated for herpes
zoster, herpes simplex and herpes simplex encephalitis.
Arasena-A Ointment is the first topical antiviral drug developed
in Japan. herpes simplex, vidarabine.
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