Transplant Unit

Why is aciclovir prescribed?

Aciclovir belongs to a group of drugs called anti-virals. It acts against certain viral infections. The viral infections which aciclovir is used against are called herpes simplex, varicella zoster (chicken pox), herpes zoster (shingles) and cytomegolovirus (CMV). Following a renal transplant some patients are at increased risk of getting CMV infection.The most common reason for taking aciclovir after a kidney transplant is to stop CMV infection from occuring.

How to take aciclovir

The dose of aciclovir given to you will depend upon the type of viral infection the aciclovir is being used against. The dose will also depend upon how well your kidneys are working. The usual dose to stop CMV infection after a renal transplant is 800mg up to 4 times a day (depending on your kidney function).

What to do if you miss a dose

If you forget to take a dose don’t worry. Just take one as soon as you remember. If it is almost time for your next dose, miss out the forgotten dose and then continue as normal.

Possible side effects of aciclovir

Aciclovir does not often have side effects. However, as with any medication, side effects are possible. This means you may experience some or none of the following side effects:

Stomach upset such as feeling sick, vomiting, diarrhoea and stomach pains. Dizziness, feeling tired, confused or imagine things. Headache or skin rash.

Aciclovir is also known as Zovirax