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Some Antiviral Medications for Herpesvirus Infections

Medication

Common Uses

Some Side Effects

Acyclovir Acyclovir

Genital herpes

Herpes zoster (shingles)

Chickenpox

Few serious side effects

Rarely, kidney damage

Rarely, in people with a weakened immune system, thrombotic thrombocytopenic purpura (TTP) and hemolytic-uremic syndrome (HUS)

CidofovirCidofovir

Cytomegalovirus infections, including retinitis (infection of the retina of the eye)

Kidney damage

Famciclovir Famciclovir

Oral and genital herpes

Herpes zoster (shingles)

Chickenpox

Few serious side effects

Foscarnet Foscarnet

Cytomegalovirus infections

Kidney damage

Electrolyte disturbances

Genital ulcers (reversible once the medication is stopped)

GanciclovirGanciclovir

Cytomegalovirus infections, including retinitis

Low white blood cell count

LetermovirLetermovir

Cytomegalovirus infections in people who have had a bone marrow and renal transplant

Nausea, vomiting, and diarrhea

Swelling of lower legs or hands

Cough

Headache

Fatigue

Abdominal pain

MaribavirMaribavir

Cytomegalovirus infections that are resistant to other medications

Change in taste (dysgeusia)

Nausea, vomiting, and diarrhea

Penciclovir (cream) Penciclovir (cream)

Cold sores

Few side effects

Redness at site of application

Trifluridine (eye drops) Trifluridine (eye drops)

Herpes simplex keratitis (infection of the cornea)

Stinging of the eyes

Swelling of the eyelids

Valacyclovir Valacyclovir

Genital herpes

Herpes zoster (shingles)

Chickenpox

Few serious side effects (similar to acyclovir) Few serious side effects (similar to acyclovir)

Valganciclovir Valganciclovir

Cytomegalovirus infections

Similar to ganciclovir (that is, a low white blood cell count)Similar to ganciclovir (that is, a low white blood cell count)

Vidarabine (as ointment applied to the eyes)

Herpes simplex keratitis

Irritation of the eyes

Sensitivity to light