Edoxudine

Edoxudine is an antiviral drug that is primarily used in the treatment of infections caused by the herpes simplex virus (HSV). It is a nucleoside analog, which means it mimics the structure of natural nucleosides, the building blocks of DNA.

Mechanism of Action

Edoxudine works by inhibiting the replication of viral DNA. It is incorporated into the viral DNA chain during replication, leading to premature chain termination. This action effectively halts the proliferation of the virus within the host cells.

Clinical Use

Edoxudine is used topically in the form of an ophthalmic solution for the treatment of herpes simplex keratitis, an infection of the cornea caused by HSV. It is not commonly used for systemic infections due to its limited absorption and potential toxicity.

Pharmacokinetics

When applied topically, edoxudine is absorbed into the corneal tissue where it exerts its antiviral effects. The drug has a short half-life and is rapidly metabolized and excreted from the body.

Side Effects

Common side effects of edoxudine include local irritation, redness, and itching at the site of application. Systemic side effects are rare due to the limited absorption of the drug when used topically.

History

Edoxudine was developed as part of the search for effective antiviral agents against herpes simplex virus infections. It was one of the early nucleoside analogs used in antiviral therapy.

Related pages

• Antiviral drug
• Herpes simplex virus
• Nucleoside analog

Chemical structure of Edoxudine