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Anti Viral Drugs
Pharmacology
| Question | Answer |
|---|---|
| Seven class of antiviral drugs | 1. inhibition of viral penetration and uncoating 2. inhibition of viral DNA polymerase |
| seven class continued | 3. inhibition of viral dna and rna polymerase 4. inhibition of viral rna polymerase 5. inhibition of viral reverse transcriptase 6. inhibition of viral aspartate protease 7. inhibition of viral neuraminidase |
| inhibition of viral penetration and uncoating | amantadine and rimantadine |
| inhibition of viral dna polymerase | herpes medications-acyclovir, gancyclovir, famcyclovir, valacyclovir |
| inhibition of viral dna and rna polymerase | foscarnet |
| inhibition of viral rna polymerase | ribavirin |
| inhibition of viral reverse transcriptase | zidovudine, didanosine, zalcitabine, stavudine, lamivudine, nevirapine |
| inhibition of viral aspartate protease (for aids) | indinavir, ritonavir, saquinavir, nelfinavir |
| inhibition of viral neuraminidase | zanamivir, oseltamivir |
| -ivir | influenza |
| -ovir | herpes |
| -avir | aids |
| Indications for amantadine | influenza and parkinson's disease |
| side effects for amantadine | livedo reticularis and anticholinergic effects |
| method of action of ribavirin | inhibits viral RNA polymerase and end capping of viral mRNA |
| What is the indication of Ribavirin? | RSV |
| Side Effects of Ribavirin | Teratogenic |
| MOA of Acyclovir | Inhibits viral DNA polymerase |
| What mutation occurs that yields the organism resistant to acyclovir? | decrease activity to viral thymidilate kinase |
| indications of acyclovir | herpes and shingles ONLY |
| side effects of acyclovir | nephropathy, neurotoxicity, and crystalluria |
| famciclovir and galacyclovir | for herpes simplex, actions similar to acyclovir |
| use of ganciclovir? moa? | cmv. similar to acyclovir BUT only in herpres, in CMV phosphotransferase. |
| side effects of ganciclovir | leukopenia, thrombocytopenia, seizure in overdose, crystalluria |
| MOA of foscarnet | inhibition of dna and rna polymerase |
| use of foscarnet | cmv retinitis in AIDS patients |
| side effects of foscarnet | nephrotoxicity |
| what medication with foscarnet causes severe hypocalcemia? | iv pentamidine |
| moa of zanamavir and oseltamivir | inhibits neuraminidases of influenza a and b |