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Idoxuridine

Idoxuridine is an anti-herpesvirus antiviral drug. It is a nucleoside analogue, a modified form of deoxyuridine, similar enough to be incorporated into viral DNA replication, but the iodine atom added to the uracil component blocks base pairing. More

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Description

Idoxuridine is an anti-herpesvirus antiviral drug. It is a nucleoside analogue, a modified form of deoxyuridine, similar enough to be incorporated into viral DNA replication, but the iodine atom added to the uracil component blocks base pairing.

Generic Name

Idoxuridine

Chemical names

Idoxuridine; 5-Iodo-2'-deoxyuridine; Idoxuridin; 5-Iododeoxyuridine

Brand names

Idurin, Toxil

IUPAC name

1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-iodo-1,2,3,4-tetrahydropyrimidine-2,4-dione

Pharmacokinetics

NA

Actions

Idoxuridine acts as an antiviral agent by inhibiting viral replication by substituting itself for thymidine in viral DNA. 

Dosage/Dosage form

NA

Therapeutic uses

For use in kerato conjunctivitis and keratitis caused by herpes simplex virus.

Adverse effects/Side effects

  • Ophthalmic: Irritation; inflammation of the eye or eyelids; pain; photophobia; pruritus; conjunctivitis; oedema. Rarely, lachrymal duct occlusion and hypersensitivity reactions. Corneal damage (prolonged use).
  • Topical: Hypersensitivity reactions; corneal punctate defects or skin maceration (when applied excessively).Irritation; stinging.

Interaction

Corticosteroids may accelerate spread of viral infection.

Contraindications

Hypersensitivity.

Storage

Store between 36-80 ° F.

Information

Molecular weight

354.0985

Molecular formula

C9H11IN2O5

CAS number

54-42-2

Precautions

  • Deep ulceration of the stromal layers of the cornea.
  •  Pregnancy and lactation.
  • Avoid prolonged use.