Antiprotozoals Flashcards
Antimalarial DMARD used for non-falciparum malaria? Considered a blood schizonticide
Chloroquine
Hydroxychloroquine
Chloroquine MOA?
Prevent polymerization of heme into hemozoin
DOC for chloroquine-resistant malaria and for severe falciparum malaria?
Quinine
DOC for pregnant patients with malaria?
Quinine
Quinine AE?
Blackwater fever
Cinchonism
Hemolysis in G6PD
Triad of blackwater fever, the severe complication of falciparum malaria?
Intravascular hemolysis
Massive hemoglobinuria
Acute renal failure
Other diseases that present with black urine?
Alkaptonuria
Porphyria
Tissue schizonticide used for radical cure of P. vivax and ovale malaria? Also a gametocide
Primaquine
Eradicates hypnozoites in the liver, prevent relapse
DOC for MDR malaria chemoprophylaxis?
Doxycycline
Antimalarial that is cardiotoxic (prolongs both PR and QT interval)?
Halofantrine
DOC for uncomplicated falciparum malaria in the Philippines?
Artemether-Lumifantrine (Co-Artem)
In summary, DOC for chloroquine resistant? MDR?
Resistant: Mefloquine, Malarone
MDT: Doxycycline - 4 days before, during the stay up to 4 weeks after departure
DOC for asymptomatic cyst carriers of Entamoeba histolytica?
Diloxanide furoate (luminal amoebicide)
Tissue amoebicide used as backup drug for severe intra and extraintestinal amebiasis?
Metronidazole
Backup drug for amebiasis if metronidazole cannot be used?
Emetine
Luminal amebicide for mild to moderate intestinal amebiasis used with metronidazole? Cause thyroid enlargement and peripheral neuropathy
Iodoquinol
DOC for severe intestinal and extraintestinal amebiasis?
Metronidazole
Also used in Giardiasis and Trichomoniasis
DOC for cryptosporidiosis at CD4<200?
Nitazoxamide
“Nitatago (crypts)”
DOC for prophylaxis and treatment of pneumocystosis?
Co-trimoxazole
Recommended at CD4<200
Backup drug for prophylaxis and treatment of pneumocystosis?
Pentamidine
Pentamidine effect on Respiratory system?
Respiratory stimulation followed by depression
DOC for prophylaxis and treatment of Toxoplasmosis?
Pyrimethamine-Sulfadiazine
First line drug for early-stage West African sleeping sickness (T. gambiense) and Kalaazar?
Pentamidine
does NOT cross BBB
DOC for advanced West African sleeping sickness?
Eflornithine
Treatment of hemolymphatic stages of East African sleeping sickness (T. rhodosiense)?
Suramin
DOC for East African sleeping sickness?
Melarsoprol
Crosses BBB
DOC for Chagas disease?
Nifurtimox
“Tiyaga mo in FURness”
DOC for LeiSSSSHmaniasis?
Sodium stibobluconate