(from the article `drug`) ...a phosphate group before they have antiviral activity. Some of the agents (acyclovir) are activated by a viral enzyme, so they are specific for ...
A drug that reduces the risk of cancer cell growth by interfering with the cells' DNA.
<drug> Analogue of thymidine that inhibits the replication of DNA viruses. Used in the treatment of Herpes simplex and varicella zoster. ... (18 Nov 1997) ... 
(i-doks-ūr´ĭ-dēn) a pyrimidine analogue that prevents replication of DNA viruses; used topically in herpes simplex keratitis.
Analogue of thymidine that inhibits the replication of DNA viruses. Used in the treatment of Herpes simplex and varicella zoster.
(IDU) Type: Term Pronunciation: ī′doks-u′ri-dēn Definitions: 1. A pyrimidine analogue that produces both antiviral and anticancer effects by interference with DNA synthesis; a topical agent used to treat viral keratitis.
a thymidine analogue, CHINO, used topically for the ocular treatment of herpes simplex keratitis.