Disease associated with vectors Flashcards
Which treatment for malaria is not recommended in the USA?
Halofantrine because of cardiac adverse events including deaths
What does G6PD deficiency cause if you take primaquine?
Hemolysis
Which are the 2 reliable supply regimens for the treatment of malaria?
- Atovaquone-proguanil:
Adult dose: 250 mg/ 100 mg proguanil
Which travellers have the highest relative incidence rate for malaria?
Travelers to West Africa & ?; Oceania
A. Trypanosomiasis (rhodesience) is common in game paks of East Africa. What are the signs & symptoms? Preventive measures?
- Fever eschar at the site of the bite, h/a, CNS involvement
- Wear light-color clothing avoid blue. Ins. Repellent partially effective
- Transmitted tse tse fly
Common diseases when travelling to East africa?
- Dengue
- Filariasis
- Leishmaniasis
- Onchocerciasis
- Schistosomiasis
- Myiasis
- Tungiasis
Other: motor vehicle accidents in sub-saharan among highest in the world
Name the clinical presentation of onchocerciasis? Vector? Infectious agent? Tx? Risk to traveller
- Highly pruritic, ocular lesions, visual loss to blindness
-Occure months to years after departure
- travellers living more than 3 months –most infection in expatriats - Femal black fly
- Filarial nematode
- Tx: ivermectin followed by 6 wks of Doxy
Diethylcarbamazine: severe & fatal post-tx
Sarcoptes scabiei causes which disease? Describ transmission, epidemiology, symptoms tx and prevention
- Scabies, human itch mite. Mite burtow into upper lawer of the skin
- Person-to-person contact (skin to skin)
- Norwegian scabies: more severe, common in elderly, disable, debilitated, immunosuppressed
- 2-6 wks after, intense itch at night
Norwegian is crusted - Dx: microscopic identification f mites
- Tx: permethrin 5% cream
Ivermectin reported safe - Avoid contact with skin or clothing
