Antivirals Flashcards
How do most Anti-herpes drugs work?
Theyre nucleoside analgues that interfere with nucleic acid synthesis
What anti-herpes drugs arnt nucleoside analagues?
Foscarnet & Cidofovir
Name all the anti-herpes nucleoside analogues
Aciclovir Famciclovir Vacciclovir Ganciclovir Valganciclovir (pro-ganciclovir)
What are the 3 categories of Anti-HIV drugs?
Nucleoside analogue
Non-nucleoside reverse transcriptase inhibitor
Viral protease Inhibitor
What are the anti-viral HIV nucleoside inhibitors?
Zidovudine (ZDV, AZT)
What are the non-nucleotide reverse transcriptase inhibitors? HIV
Nevirapine
What are the Viral protease inhibitors for HIV?
Saquinovir
What drugs are used for Viral respiratory infections & which is a nucleoside analogue?
Oseltamavir
Zanamavir
Ribavarin (nucleoside analogue)
What are the 4 anti-virals for chronic HEP B or C?
Lamivudine
Adefovir Dipivoxil
Ribavarin
Interferon-alpha
Which chronic HEPB/C drug is a nucleoside analogue?
Lamivudine
Which antivirals target HSV?
Aciclovir
Famciclovir
Valaciclovir
Foscarnet
How would you treat shingles?
Famciclovir & valaciclovir
What would treat Varicella-Zoster Virus VZV?
Aciclovir
Foscarnet
How do you treat CMV?
Cidofovir
Valganciclovir
Ganciclovir
Foscarnet
What does foscarnet treat?
All 3 herpes viruses bar EBV
What does cidofovir treat?
CMV retinitis
What does aciclovir treat?
HSV & VZV
What does famciclovir & valciclovir treat?
HSV & shingles
What does Ganciclovir & valanciclovir treat?
CMV
How can aciclovir be given?
Orally
IV
Topically
Why would you avoid Aciclovir in someone with renal impairment?
It leads to neurological toxicity
How are famciclovir & valciclovir given?
Orally
How do we give ganciclovir & valganciclovir?
Ganciclovir - IV
Valganciclovir - Orally
Whats dangerous about ganciclovir & Valganciclovir?
They have bone marrow toxicicty & require constant blood count monitoring
Why do we only use Foscarnet in serious infections?
It can only be given as IV
And is extremely nephrotoxic
How is HIV treated?
With combination therapy of:
Zidovudine
Nevirapine
Saquinavir
All HIV drugs are quite toxic but what does zidovudine specifcally cause?
Anaemia & Neutropenia (selective depression of neutrophil cell line)
Which chronic HEP B/C drug is part of the host immune response as well?
Interferon-alpha
How do we administer interferon-alpha?
Subcutaneous
Is interferon-alpha a safe treatment?
Not really its got serious side effects
How would we use ribavarin?
Orally to treat Chronic HEP C
Inhalation to treat RSV
What drug treats both HIV & HEP B?
Lamivudine
How would we administer Lamivudine?
ORally
Which drug treats purely HEP B & how do we take it?
Adefovir Dipivoxil taken orally will treat HEP B
What two drugs are used for Influenza A/B?
Zanamavir
Oseltamavir
Which antivirals treat HSV?
Aciclovir
Famciclovir
Valaciclovir
Foscarnet
Which antivirals treat CMV?
Ganciclovir
Valganciclovir
Cidofovir
Foscarnet
Which antivirals treat VZV?
Aciclovir
Foscarnet
What drugs treat HIV?
Zamivudine
Saquinovir
Nevirapine ‼️
Lamivudine
What drugs treat HEP B?
Interferon-alpha
Adefovir Dipivoxil
Lamivudine
What treats respiratory syncitial virus?
Ribavarin
What treats chroninc HEP C?
Ribavarin
What treats influenza A/B?
Oseltamavir
Zanamavir
Which antivirals are orally prescribed?
Adefovir Dipixoil (HEP B) Lamivduine (HEP B) Ribavarin (HEP C) Valganciclovir (CMV) Aciclovir (HSV) Valciclovir (HSV & shingles) Famciclovir (HSV & shingles)
What antivirals are iven IV?
Aciclovir (VSV)
Ganciclovir (CMV)
Foscarnet (HSV,VSV,CMV)
What antivirals are given topically?
Aciclovir (HSV)
What antiviral causes neurological toxicity?
Aciclovir
What antiviral causes Bone marrow toxiicty?
Ganciclovir
Valganciclovir
Which antibirals are highly nephrotoxic?
Foscarnet
Which antiviral can cause neutropenia?
Zidovudine, also causes anaemia