Quiz 2 Reverse Flashcards
1 - latent in trigeminal ganglia2 - latent in sacral ganglia
Which sites do HSV 1 & 2 prefer?
- Acyclovir - Zovirax- oral, topical, IV2. Valacyclovir - Valtrex - only oralProdrugs - prevent viral shedding
What are the meds for herpes & how do they work & drug forms?
RotavirusFecal-oral transmission
What is the MCC of severe diarrhea in children?
3 dose regimen to infants 6-32 wksSelf limiting - rehydration
Who gets the rotavirus vaccine & how do you treat when you get it?
RNA Readily inactivated w/ soap, water & disinfectantsMCC of bronchiolitis & PNA in kids <1yr
What type of virus is RSV?
Palivizumab - Synagis Tx - Ribavirin aerosol
What is the vaccine & Tx for RSV?
- Extracellular - w/in lung cavities2. Inside granulomas3. W/in macrophages
What are the 3 environments TB likes to be in?
Growth phase
What phase do TB drugs target?
8 weeks of 1. Rifampin2. Isoniazid3. Pyrazinamide4. EthambutolFollowed by 16 wks of:1. Rifampin2. Isoniazid
What is typical therapy for TB?
Pregnant ladies - yesKids - don’t use Ethambutol <5y/o
Can you use TB therapy in pregnant ladies & kids?
Hepatotoxicity!!!
What is the most common side effect of all TB drugs?
For TBinterferes w/ mycolic acid (cell wall)
How does isoniazid work?
Slow - drug levels rise & may cause peripheral neuropathyFast - Make more metabolite & may cause hepatotoxicity
What is the problem w/ slow/fast acetylators & isoniazid?
2C19 & 2D6Careful w/ MAOIs
What drug interactions should you consider with isoniazid?
Rifampin - TB TxBactericidal Used in active TBAlso urine & breast milk
What drugs cause your tears to turn red?
Active TB TxInhibits cell wall synthesisBacteriostatic
How does ethambutol work?
Active TB TxEffects ATP - disrupts plasma membrane & energy metabolism Bactericidal
How does pyrazinamide work?
- Optic neuritis - dec. acuity, scotoma, color blindness, visual defects 2. Hepatotoxicity3. GI
ADRs ethambutol
- Hyperuricemia2. Hepatotoxicity3. Loss of glycemic control4. GI
ADRs pyrazinamide
Aminoglycoside abxInterrupts formation of proteins Injectable only
How does streptomycin work?