Antiprotozoans Flashcards
What is Amebiasis caused by?
Entamoeba histolytica
What are the symptoms of Amebiasis?
Diarrhea
Abdominal Pain
Weight loss
What drugs are used to treat Amebiasis?
Iodoquinol
Paromomycin
Metronidazole
Tinidazole
What is the MOA of Iodoquinol?
chelates iron needed for aembia
What are the ADRs of Iodoquinol?
Rash Acne Thyroid Enlargement Nausea/Vomiting Diarrhea Vision Loss
What is the MOA of Paromomycin?
Irreversibly binds to 30S ribosomal subunit and inhibits protein synthesis
What is Paromomycin?
Aminoglycoside
What are the ADRs of Paromomycin?
Nausea
Cramps
Diarrhea
What is the MOA of Tinidazole?
interact with DNA to cause strand breakage
What are the ADRs of Tinidazole?
metallic taste
Stomatitis
Dyspepsia
Peripheral Neuropathy
What must you dose adjust for with Tinidazole?
liver
What is Cryptosporidiosis caused by?
Cryptosporidium parvum
What are the symptoms of Cryptosporidiosis?
Diarrhea Abdominal Cramps Anorexia Low-grade fever Nausea Vomiting
What drug is used to treat Cryptopsoridiosis?
Nitazoxanidine
What is the MOA of Nitazoxanide?
Disrupting protozoal energy metabolism by blocking electron transfer mediated by pyruvate ferredoxin oxidoreductase
What are the ADRs of Nitazoxanide?
Abdominal pain Diarrhea Vomiting Headache Yellowing of the eyes
What must you dose adjust for with Nitazoxanide?
liver
What is Giardiasis caused by?
Giardia Lamblia
What spreads Giardia Lamblia?
contaminated drinking water
What are the symptoms of Giardiasis?
Malaise heartburn Vomiting Colicky pain after eating Belching Flatulence Diarrhea
Where does Giardiasis effect?
the small intestine
What are the drugs used to treat Giardiasis?
Metronidazole
Tinidazole
Nitazoxanide
What is used to treat Leishmaniasis?
Sodium Stibugluconate
What are the ADRs of Sodium Stibugluconate?
Muscle Pain
Joint Stiffness
Bradycardia
What must you monitor with Sodium Stibugluconate?
ECG
HR
What is toxoplasmosis caused by?
Toxoplasma gondii
How is the toxoplasmosis infection acquired?
through eating undercooked meat
What symptoms can you get from toxoplasmosis if you are immunocompromised?
Retina and encephalitis
What symptoms can you get from toxoplasmosis if you are immunocompetent?
Asymptomatic
What drugs do you use to treat toxoplasmosis?
Pyrimethamine
Sulfadiazine
Clindamycin
Atovaquone
What is the MOA of Pyrimethamine?
Folic acid antagonist
What are the ADRs of Pyrimethamine?
Nausea/Vomiting
Glossitis
Bone Marrow Suppression
What patients should you avoid using Pyrimethamine in?
those with anemia due to folic acid deficiency
What should you monitor with Pyrimethamine?
CBC
What do you dose adjust for with Pyrimethamine?
Renal
What is the MOA of Sulfadiazine?
inhibits dihydropteroate synthase which inhibits the production of folic acid, necessary to make DNA
What are the ADRs of Sulfadiazine?
Nausea/Vomiting
What must you dose adjust for with Sulfadiazine?
Renal
What is Trichomoniasis caused by?
Trichomonas Vaginalis
What are the drugs of choice to treat Trichomoniasis?
Metronidazole
Tinidazole
What are the ADRs of Nifurtimox?
Nausea/Vomiting Peripheral Neuropathy Weight loss Memory loss Insomnia Vertigo Headache
What must you monitor with Nifurtimox?
WEight
What must you adjust for with Nifurtimox?
Liver
What is the MOA of pentamidine?
disrupting synthesis of DNA, RNA, and Phospholipids
What are the ADRs of Pentamidine?
Hypotension Hypo/Hyperglycemia Necrosis at site of IM injection Leukopenia AKI Dysrhythmias
What must you monitor with Pentamidine?
SCr
BUN
CBC
What must you dose adjust for with Pentamidine?
Renal
What is the MOA of Suramin?
inhibit enzymes
What are the ADRs of Suramin?
Vomiting Itching Rash Parasthesias Photophobia AKI
What must you monitor with Suramin?
SCr
BUN
What must you dose adjust for with Suramin?
Renal
What is the MOA of Melarsoprol?
Inactivation of enzymes inside the parasite
What are the ADRs of Melarsoprol?
Hypertension
Albuminuria
Peripheral Neuropathy
Myocardial damage
What must you dose adjust for with Melarsoprol?
Liver
What is the MOA of Eflornithine?
irreversible inhibition of ornithine decarboxylase
What are the ADRs of Eflornithine?
Anemia Leukopenia Diarrhea Seizures Hair Loss
What must you dose adjust for with Eflornithine?
Renal