| Term 
 
        | symptomatic giardiasis/2nd-3rd trimester = metronidazole 
 pregnancy = paromomycin
 
 pediatrics/metronidazole non-responders = nitazoxanide
 |  | Definition 
 
        | treatment of giardiasis protozoal infection): symptomatic
 2nd-3rd trimester
 pregnancy
 pediatrics
 non-responders
 |  | 
        |  | 
        
        | Term 
 
        | resolution of diarreha (1-2 weeks) cyst excretion (w/in days)
 complete resolution of intestinal dysfunction (~3 months):  transit time, radiologic changes
 |  | Definition 
 
        | evaluation of giardiasis treatment protozoal infection) |  | 
        |  | 
        
        | Term 
 
        | exclusive consumption of non-contaminated food and water cook food adequately
 boil or filter potentially contaminated water
 iodine disinfection of water is more effective than chlorine treatment
 treat asymptomatic carriers who may serve as a source of infection to others
 adhere to strict hand washing protocol
 dispose of diapers carefully
 breast feeding confers some protection for nursing infants through secretory IgA - particularly important in developing countries
 |  | Definition 
 
        | giardiasis prevention protozoal infection) |  | 
        |  | 
        
        | Term 
 
        | luminal agents - mild to moderate infection: (DIP)
 diloxanide
 iodoquinol
 paromomycin in pregnancy
 
 systemic agents - moderate to severe infection with liver involvement:
 metronidazole
 chloroquine
 |  | Definition 
 
        | treatment of amoebiasis protozoal infection) luminal agents
 systemic agents
 |  | 
        |  | 
        
        | Term 
 
        | monitor imaging monitor stool samples over 1-3 months
 GI involvement may resolve in 3-5 days
 liver involvement may resolve in 7-10 days (may continue to heal for up to 8 months).  if no response may require abscess aspiration/exploratory laparotomy
 |  | Definition 
 
        | evaluation of amoebiasis treatment protozoal infection) |  | 
        |  | 
        
        | Term 
 
        | adequate sanitation and eradication of cyst carriage 
 in high risk areas, infections may be minimized by:
 avoidance of unpeeled, uncooked fruits and vegetables that may have been washed in local water
 use of bottled water
 disinfection by iodination is recommended b/c cysts are resistant to readily attainable levels of chlorine
 
 there is no effective pharmacologic prophylaxis
 |  | Definition 
 
        | amoebiasis prevention (protozoal infection) |  | 
        |  | 
        
        | Term 
 
        | may be used to treat giardiasis and amoebiasis it is a nitroimidazole
 no alcohol, possible urine discoloration, and may cause dizziness
 |  | Definition 
 
        | clinical pearls of metronidazole |  | 
        |  | 
        
        | Term 
 
        | can be used in pregnancy for giardiasis and amoebiasis aminoglycoside
 renal and ototoxicity
 |  | Definition 
 
        | clinical pearls for paromomycin |  | 
        |  | 
        
        | Term 
 
        | can be used for giardiasis in metronidazole non-responders prodrug, active metabolite is tizoxanide
 patients should take with food
 |  | Definition 
 
        | clinical pearls of nitazoxanide |  | 
        |  | 
        
        | Term 
 
        | can be used for amoebiasis halogenated hydroxyquinoline
 amebicidal, intestinal
 |  | Definition 
 
        | clinical pearls of iodoquinol |  | 
        |  | 
        
        | Term 
 
        | mebendazole albendazole
 
 follow-up stool sample to ensure eradication and 2nd course of treatment PRN continued infection
 |  | Definition 
 
        | treatment of hookworm disease (helminth infection) |  | 
        |  | 
        
        | Term 
 
        | improvements in fecal sanitation use of footwear
 iron supplementation of food in endemic areas
 periodic mass therapy in endemic areas (expensive)
 significant protective immunity to intestinal nematodes appears not to develop naturally in humans.  vaccine development is being pursued.
 |  | Definition 
 
        | hookworm disease prevention (helminth infection) |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | treatment of ascariasis (helminth infection) |  | 
        |  | 
        
        | Term 
 
        | pyrantel pamoate mebendazole
 albendazole
 
 all bedding and clothing should be washed
 additionally, frequent hand washing and clipping fingernails to decrease ongoing transmission and re-infection
 |  | Definition 
 
        | treatment of enterobiasis (pinworm)(helminth infection) |  | 
        |  | 
        
        | Term 
 
        | enterobiasis (pinworm) strongyloidiasis
 |  | Definition 
 
        | parasitic infections that can be transmitted by autoinfection |  | 
        |  | 
        
        | Term 
 
        | ivermectin albendazole
 
 hyperinfection
 D/C immunosuppression
 initiate ivermectin
 periodic screenings to ensure eradication
 |  | Definition 
 
        | treatment of strongyloidiasis (helminth infection) |  | 
        |  | 
        
        | Term 
 
        | prevention of initial infection: improved fecal sanitation in endemic areas
 avoidance of skin contact with potentially contaminated soil
 
 screening/treatment of at-risk patients before initiation of immunosuppressive therapy
 |  | Definition 
 
        | strongyloidiasis prevention (helminth infection) |  | 
        |  | 
        
        | Term 
 
        | albendazole praziquantel
 
 pharm treatment generally deemed controversial, surgical options may be considered
 |  | Definition 
 
        | treatment of cysticercosis/neurocysticercosis (helminth infection) |  | 
        |  | 
        
        | Term 
 
        | eradiation of cysticerci by: adequate cooking of infected pork
 exposure to temperatures as low as 56 C for 5 minutes
 refrigerate or salting for long periods
 freezing at -9 C for 9 days
 
 minimize opportunities for ingestion of fecally derived eggs through:
 good personal hygiene
 effective fecal disposal
 treatment and prevention of human intestinal infections
 |  | Definition 
 
        | prevention of cysticercosis/neurocysticercosis (helminth infection) |  | 
        |  | 
        
        | Term 
 
        | mebendazole:  used for hookworm, ascariasis, and enterobiasis (pinworm) = helminth infections albendazole:  used for hookworm, ascariasis, enterobiasis (pinworm), strongyloidiasis, and cysticerosis/neurocysticerosis = helminth infections
 
 may take weeks to see results and focus on education to avoid reinfection and further spread of parasite
 |  | Definition 
 
        | clinical pearls of benzimidazole class |  | 
        |  | 
        
        | Term 
 
        | used for enterobiasis (pinworm) = helminth infection 
 may cause dizziness and somnolence
 |  | Definition 
 
        | clinical pearls of pyrantel pamoate |  | 
        |  | 
        
        | Term 
 
        | used for stronyloidiasis = helminth infection 
 may cause orthostatic hypotension
 take drug on an empty stomach with water:  2.5x increase in BA when taken w/ food
 taking w/out food limits side effects
 |  | Definition 
 
        | clinical pearls of ivermectin |  | 
        |  | 
        
        | Term 
 
        | used for cysticerosis/neurocysticerosis = helminth infections 
 may cause diziness
 |  | Definition 
 
        | clinical pearls of praziquantel |  | 
        |  | 
        
        | Term 
 
        | TREATMENT DEPENDS ON GEOGRAPHICAL AREA, RESISTANCE/SENSITIVITY PATTERNS, AND PLASMODIUM SPP. 
 chloroquine or hydroxycholoroquine
 atovaquone-proguanil
 artemether-lumefantrine
 mefloquine
 quinine + tetracycline or doxycycline
 quinidine + tetracycline, doxycycline, or clindamycin
 artesuante - not available in the US
 |  | Definition 
 
        | treatment options for malaria |  | 
        |  | 
        
        | Term 
 
        | dosed per body weight should not exceed adult dosing
 tetracycline and doxycycline not recommended (patients < 8 yo)
 |  | Definition 
 
        | treatment of malaria in pediatrics |  | 
        |  | 
        
        | Term 
 
        | malaria parasite sequester and replicate in the placenta many complications including miscarriage and death of the fetus
 3x more likely to develop severe infection vs. non-pregnancy females
 may require alternative medications:  chloroquine, quinine, clindamycin recommendation depends of resistance/susceptibility patterns
 risk vs. benefit assessment (most are category C/D
 lactation consideration post delivery
 |  | Definition 
 
        | treatment of malaria in pregnancy |  | 
        |  | 
        
        | Term 
 
        | malarone, chloroquine, hydroxychloroquine, doxycycline, mefloquine, primaquine 
 treatment selection:
 geographic area of travel
 resistance/sensitivity patterns
 
 generally 1-2 days before travel, qd during stay, and continued 4 weeks post travel
 exception:  malarone - 1-2 days before, during, and 7 days after
 
 primaquine:  considered for terminal prophylaxis, contraindicated for G6PD deficient individuals
 |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | contact CDC - avoid outbreaks plan daily activities to avoid peak exposure times and places, night better than day
 wear appropriate clothing
 mosquito netting
 insecticides:  DEET, picaridin, oil of lemon eucalyptus
 treat clothing and other equipment:  premethrin (pretreatment), DEET (reapplication post-wash)
 |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | premethrin - 10 minutes malathion - 90 minutes
 lindane - 4 minutes, dosed of length of hair
 |  | Definition 
 | 
        |  |