Clinical pharmacy and pharmacy practice Flashcards
What is malaria?
It is a parasitic infection caused by plasmodium species
Which specie causes malaria in tropical Africa
Plasmodium falciparum others include p.ovale,p.vivax and p.malariae
Transmission of malaria?
It starts through the bite of infected female anopheles mosquitoes
What are the signs and symptoms of malaria
Fever
Headache
Chills
Sweating
Anorexia
Nausea
Vomiting
Abdominal discomfort
Classification of malaria
Acute uncomplicated
Severe malaria
Acute complicated
Objective is to cure the infection
Severe malaria
Primary objective is to prevent death
prevent the emergence and spread of resistance to anti malarial drugs ,tolerability
Diagnosis
Primary diagnosis is the presence of fever in the last 24hrs
Parasitological diagnosis include
Light microscopy and Rapid diagnostic test
treatment of uncomplicated p falciparum malaria
Artemether + lumefantrine
Artesunate + Amodiaquine
Artesunate +Mefloquine
Artesunate + Sulfadoxine pyrimethamine sp
Dihydroartemisine +piperaquine
Treatment of severe falciparum malaria
Artesunate iv,im or rectal for children
Artemether im
Quinine iv infusion or im injection
Doxycycline
Clindamycin
Malaria in pregnancy
Avoid Artemisinin based combination in1st trimester
Recommended treatment is quinine+clindamycin for 7days
2nd and 3rd trimesters-ACTS or Artesunate +clindamycin for 7days or quinine +clindamycin
Misuse of drug?
Is the irrational or irresponsible use of drug.
what causes Typhoid fever
Gram negative salmonella typhi
it is an infection of the reticulo-endothelial system, intestinal lymphoid tissue and the gall bladder.
Transmission of typhoid fever
transmitted through the feco-oral route as a result of poor personal and food hygiene.
Pathogenesis of Typhoid include
-ingestion of contaminated food or water
-salmonella bacteria invades the small intestine and enters the blood stream
-it is then carried by white blood cells into the liver, spleen and bone marrow
-it multiplies and re enters the blood stream
-Bacteria then invades the gall bladder,billiary system and lymphatic tissue of the bowel and multiply in high numbers
-it then passes through the intestinal tract and can be detected for diagnosis in labs.
symptoms of Typhoid fever
-Lethargy
poor appetite
fever(39-40 degrees)
Diarrhoea
constipation
chest congestion
abdominal pain and discomfort are common
headaches
slow heart beat
vomiting
Diagnosis of Typhoid
prolonged fever,rashes,bradycardia and leucopenia
PCR on peripheral mononuclear cells
stoola nd urine cultures are positive in the 2nd week
blood cultures are positive in the 1st week
the confirmation is from bone marrow aspirate cultures