NZ Formulary

Aciclovir (injection)

ay-sye-kloe-veer

What does it do?

Aciclovir is used to treat and prevent viral infections such as herpes and shingles.

How is it given?

Aciclovir is given as an infusion into a vein.

What if you forget a dose?

The missed dose should be given as soon as possible and treatment should continue as directed. Aciclovir is usually given to you by a health professional. If you miss a dose, contact your health professional as soon as possible.

Can you take other medicines?

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.

What side effects might you notice?

Side EffectsRecommended action

Seizures

Easy/unusual bruising or bleeding

Tell your doctor immediately

Confusion, agitation, hallucinations, tremor

Tell your doctor

Headache, tiredness or weakness

Increased sensitivity to sunlight

Nausea, vomiting

Irritation or pain at injection site

Tell your doctor if troublesome

If you notice any other effects, discuss them with your doctor or pharmacist.

Important information continues on next page.

Other information:

  • Tell your doctor if you have kidney problems, or have ever had a seizure.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
  • Drink plenty of fluids while taking aciclovir.
  • Protect yourself from too much sunlight while being treated with aciclovir. Always cover up and apply a thick layer of broad spectrum sunscreen (at least SPF 30) when outside. Do not use sunbeds.