Fungal infection + malaria Flashcards
Aspergillosis is treated with what antifungal?
Voriconazole or Amphotericin
examples of the Triazoles
Fluconazole, Itraconazole, posaconazole and voriconazole
Which triazole can be purchased OTC for candidia infection?
Fluconazole to those age 16 - 60 years max dose of 150mg
What is a side effect of Fluconazole
QT prolongation
Whihc triazole is more widely associated with liver damage?
Itraconazole - avoid in pt wiht liver disease
High doses and long duration of treatment with itraconazole is associated with what?
Heart failure
How should itraconazole capsules and solution be taken?
Solution - empty stomach
Capsules - with food
Examples of imadzoles
Clotrimazole, miconazole, ketoconazole. econazole
What are the imidazoles used for?
local treatment of vaginal candidiasis and dermatophyte infection
Miconazole is used in oral infection
What drug does Miconazole interact with
Warfarin
Examples of polyene antifungals
Amphotericin and nystatin
Echinocandin antifungal examples
Caspafungin and Micafungin
Drug of choice in nail infection/ringworm infection
Terbinafine
What electrolytes can become derranged with Amphotericin B
HypoK + hypoMG
What are 2 major side effects with Voriconazole
Hepatotoxcity and Photosensitivity
What is given as an adjunct to co-trimox in HIV patients wiht PCP?
Pred for 5 days
If a patient has threadworm what is the treatment?
All members of the family to be treated!
- Mebendazole ( a single dose given then can be repeated after 2 weeks)
How are roundworm treated>
Mebendazole
Niclosamide can be used to treat which Helminth infection
Tapeworm
What drug is used to treat norwegian scabies?
Ivermectin 200mcg/kg
Malaria bite prevention counselling points
- NET impregnated with permethrin
- DEET 20-50% (apply sunscreen first)
- Long sleeves/trousers
If Doxycycline is being used for malaria propyhlaxis, how should it be taken?
1 - 2 days before entering and 4 weeeks after leaving
What side effects make Mefloqunine undesirable to be used?
Psychosis, sucidal idealation
Mefloquine has to be taken how long before travel?
2-3 weeks
How long does malarone have to be taken after travel?
1 week
What antimalarial can be offered to a pregnant lady?
Chloroquine + proguanil (give 5mg folic acid)
-Doxy CI
How long are most antimalarials used for when leaving the area?
4 weeks
Which antimalarials can not be used in epilepsy
Chloroquine and mefloquine
What should patients on Warfarin be advised if starting antimalarials?
Start taking 2-3 weeks before departure and ensure INR stable before leaving. Check INR 7 days after starting and when completing course
What is first line TREATMENT of falciparum malaria
Riamet (artemether + lumefantrine) given at 8,24,36,48 and 60 hours
If a patient cannot tolerate treatment with Riamet, what alternative can be used?
Quinine 600mg TDS + Doxy 200mg OD (or clindamycin 450mg TDS if pregnant) for 7 days
What is the treatment option for Non-falciparum malaria?
Chloroquine