Meds and you

27 September 2013

Penciclovir

Penciclovir is an antiviral drug. Antiviral drugs are used to prevent or cure a disease caused by a virus, by inhibiting viral growth.

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Penciclovir is the active ingredient of Fenivir (Nappi Code: 707519-001).

General information
Penciclovir is an antiviral drug. Antiviral drugs are used to prevent or cure a disease caused by a virus, by inhibiting viral growth or by interfering with the ability of the virus to multiply.

In South Africa penciclovir is registered for the treatment of fever blisters.

Penciclovir is not a cure for viral infections, but simply slows the virus down while allowing your immune system time to catch up.

Treatment with penciclovir should be started as soon as infection is noticed, and treatment should continue for at least 4 days, or if your doctor instructs you to stop using it.

How does penciclovir work?
Penciclovir prevents the relevant virus form multiplying by inhibiting enzymes needed for viral DNA replication in cells.

Fast facts

Drug schedule: schedule 1
Available as: penciclovir is available as a cream.
What does it do? Penciclovir is an anti-viral drug.
Overdose risk: low
Dependence risk: low
Is penciclovir available as a generic? no
Is penciclovir available on prescription only? no

Special precautions
Consult your doctor before using this drug if:

  • if you have reduced immunity

  • if you are younger than 18

Pregnancy: avoid. It is unknown how this medication may affect your baby. Consult your doctor before use, or if you are planning to fall pregnant.
Breastfeeding: avoid. It is unknown how this medication may affect your baby. Consult your doctor before use.
Porphyria: this medication is safe to use.
Infants and children: this drug is not intended for use in children under the age of 18.

Possible side effects

Side Effect
Frequency
Consult your doctor

Common
Rare
Only if severe
In all cases
local stinging or burning

X
X

local numbness

X
X

Recommended dosage
Adults: apply to the affected area at 2 hourly intervals for 4 days.

This material is not intended to substitute medical advice, but is for informational purposes only. Please consult a physician for specific treatment and recommendations.
 
 

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