An agent that kills viruses or suppresses their replication and, hence, inhibits their capability to multiply and reproduce. For example, amantadine (BRAND name: SYMMETREL) is a synthetic (man-made) drug that inhibits the multiplication of the influenza A virus and has been used to prevent the flu. Given within 24-48 hours of the onset of symptoms it can lessen the severity of the disease, particularly in individuals at high-risk such as those who are immunosuppressed or in a nursing home. Rimantadine (BRAND name: FLUMADINE) is related in structure and anti-influenza A action to amantadine but has fewer side effects.
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Opposing a virus; interfering with its replication; weakening or abolishing its action ( e.g., zidovudine, acyclovir).

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an·ti·vi·ral -'vi-rəl also an·ti·vi·rus -rəs adj acting, effective, or directed against viruses <\antiviral drugs>
antiviral n an antiviral agent and esp. a drug

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an·ti·vi·ral (an″te-) (an″ti-viґrəl) 1. destroying viruses or suppressing their replication. 2. an agent that destroys viruses or suppresses their replication.

Medical dictionary. 2011.

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  • Antiviral — Saltar a navegación, búsqueda Los antivirales son un tipo de medicamento usado para el tratamiento de infecciones producidas por virus. Tal como los antibióticos (específicos para bacteria), existen antivirales específicos para distintos tipos de …   Wikipedia Español

  • antiviral — antiviral, ale, aux [ ɑ̃tiviral, o ] adj. et n. m. • v. 1950; de 1. anti et viral ♦ Méd. Se dit d une substance active contre les virus. ⇒ virocide. Médicaments antiviraux. N. m. L AZT est un antiviral. ● antiviral, antivirale, antiviraux… …   Encyclopédie Universelle

  • antiviral — ANTIVIRÁL, Ă, antivirali, e, adj. (med.) Care distruge viruşii. – Din fr., engl. antiviral. Trimis de ana zecheru, 26.02.2004. Sursa: DEX 98  antivirál adj. → viral Trimis de siveco, 13.09.2007. Sursa: Dicţionar ortografic  ANTIVIRÁL antivirală …   Dicționar Român

  • Antiviral — may refer to:*Antiviral drug *Antiviral protein (see AVP) *Antivirus software * Antiviral Therapy , an academic journal …   Wikipedia

  • antiviral — adj. y n. m. Farm. Antivirus (medicamento). * * * antiviral. adj. antivírico. U. t. c. s. m …   Enciclopedia Universal

  • antiviral — UK US /ˌæntiˈvaɪrəl/ adjective ► protecting against viruses that attack the body: »Relenza is an antiviral drug produced by GlaxoSmithKline. ► [before noun] IT ANTI VIRUS(Cf. ↑anti virus) …   Financial and business terms

  • antiviral — Que destruye los virus. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud, Ediciones Hancourt, S.A. 1999 …   Diccionario médico

  • antiviral — adj. 2 g. s. m. [Biologia] Diz se de ou substância que combate vírus.   ‣ Etimologia: anti + viral …   Dicionário da Língua Portuguesa

  • antiviral — adj. antivírico. U. t. c. s. m.) …   Diccionario de la lengua española

  • antiviral — [an΄tī vī′rəl; an΄tē vī′rəl, an΄tivī′rəl] adj. capable of checking the growth or effect of a virus …   English World dictionary

  • Antiviral — Un antiviral désigne une molécule perturbant le cycle de réplication d un ou de plusieurs virus, permettant ainsi de ralentir mais rarement d arrêter une infection virale. C est avec les vaccins et la prévention, la seule méthode connue… …   Wikipédia en Français

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