Description
Indications
Acerux intravenous infusion is indicated for the treatment of-
- Acute clinical manifestations of Herpes simplex virus in immunocompromised patients
- Severe primary or non-primary genital herpes in immune competent patients
- Varicella zoster virus infection in immunocompromised patients
- Herpes zoster (shingles) in immune competent patients who show very severe acute local or systemic manifestations of the disease
- Herpes simplex encephalitis
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Pharmacology
Acyclovir exerts its antiviral eects on Herpes simplex virus and Varicella zoster virus by interfering with DNA synthesis and inhibiting viral replication. In cells infected with Herpes virus, the antiviral activity of Acyclovir appears to depend principally on the intracellular conversion of the drug to Acyclovir Triphosphate. Acyclovir is converted to Acyclovir Monophosphate principally via virus coded thymidine kinase, the monophosphate is phosphorylated to diphosphate via cellular guanylate kinase and then via other cellular enzymes to the Triphosphate, which is the pharmacologically active form of the drug.Dosage
- Herpes simplex infection: For normal or immunocompromised immune status: 5 mg/kg every 8 hours
- Very severe Herpes zoster infection (shingles): For normal immune status: 5 mg/kg every 8 hours
- Varicella zoster infection: For immunocompromised immune status: 10 mg/kg every 8 hours
- Herpes simplex encephalitis: For normal or immunocompromised immune status: 10 mg/kg every 8 hours
Each dose should be administered by slow intravenous infusion over a one-hour period.
Interaction
Co-administration of probenecid with Acerux has been shown to increase the mean Acerux half-life and the area under the concentration time curve. Urinary excretion and renal clearance correspondingly reduced. In patients over 60 years of age concurrent use of diuretics increases plasma levels of Acerux very significantly.Contraindications
Acyclovir IV Injection is contraindicated in patients known to be hypersensitive to Acyclovir or Valacyclovir.





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