About ribavirina nucleoside antimetabolite, triazole derivative, antiviral.mechanism of action of ribavirinribavirin is a nucleoside analogue and it is phosphorylated by adenosine kinase enzyme in the host cell to form ribavirin monophosphate.this will inhibits inosine monophosphate (imp) formation and also cause degradation of guanosine triphosphate (gtp) .all these results in inhibition of protein synthesis and suppression of elongation of viral mrnaindications for ribavirin1. respiratory syncytial virus (rsv) infection 2. influenza a & b virus infection 3. herpes simplex virus 4. hepatitis b virus 5. lassa fever 6. haemorrhagic fever 7. measles 8. para influenza virus infection in children
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