QUESTION What drugs are used in the treatment of malaria? ANSWER There are a number of medicines used to treat malaria. Traditionally, chloroquine has been the first line drug of choice for uncomplicated, non-resistant malaria. However, several types of malaria, and most notably Plasmodium falciparum, the most severe and deadly kind, has become resistant to chloroquine in many places. In … [Read more...]
RTS,S Malaria Vaccine
QUESTION: What information can you provide on this vaccine candidate? ANSWER: RTS,S is a vaccine candidate against Plasmodium falciparum malaria which works by encouraging the host's body to produce antibodies and T cells which diminish the malaria parasite's ability to survive and reproduce in the liver. Produced by GlaxoSmithKline, RTS,S is the first vaccine candidate against … [Read more...]
ARCEVA for malaria
QUESTION: Is ARCEVA a good vaccine for malaria? ANSWER: ARCEVA isn't a vaccine for malaria, but it is a brand name of one type of medication used to treat the disease. It belongs to the group of drugs called artemisinin-based combination therapies (ACTs), which are recommended by the World Health Organisation to treat uncomplicated malaria caused by Plasmodium falciparum, the most … [Read more...]
Symptoms of Malaria
QUESTION: SYMPTOMS OF MALARIA? ANSWER: The symptoms of malaria include fever and flu-like illness, including shaking chills, headache, muscle aches, and tiredness. Nausea, vomiting, and diarrhea may also occur. Malaria may cause anemia and jaundice (yellow coloring of the skin and eyes) because of the loss of red blood cells. Infection with one type of malaria, Plasmodium falciparum, if … [Read more...]
BT and MT Malaria
QUESTION: What is MT and BT malaria? ANSWER: "MT" stands for "malignant tertian" and "BT" stands for "benign tertian" malaria. Tertian malaria describes fever which occurs every other day, in cycles. Of the main types of human malaria, Plasmodium vivax and Plasmodium ovale are the most stereotypically tertian. P. falciparum can be tertian, but it is more erratic and due to its severity, … [Read more...]
Incubation Period for Malaria
QUESTION: What is the incubation period of malaria? ANSWER: That depends on the species of malaria. Plasmodium falciparum has the shortest incubation time, typically 10 to 14 days. For P. vivax, incubation is usually between 10 to 17 days, but can be much longer (up to a year; the longest incubation time recorded for this species was 30 years!). P. ovale has an incubation period similar … [Read more...]
Will malaria come back?
QUESTION: As a result of a blood test I have just been informed that at some time I have had malaria. Though I have no idea when this was. I once was ill for 4 days with what I thought was flu and that is the only occasion I can remember. Therefore I have never been treated for malaria. Could you please tell me if there is any chance the disease will come back. ANSWER: That will … [Read more...]
Why do people die of malaria?
QUESTION: Why is it that people die of malaria? ANSWER: The symptoms of malaria are caused by the malaria parasite reproducing inside the patient's red blood cells and eventually destroying them. In this process, the malaria parasites also produce toxic waste chemicals and debris which build up in the patient's blood stream. The body produces a strong immune response as a reaction to … [Read more...]
Malaria Schizonts
QUESTION: What is the difference between schizont of Plasmodium vivax and P. falciparum? ANSWER: P. falciparum schizonts tend to fill up to about two-thirds of the host red blood cell, and contain 8-24 merozoites (see image below for development of schizont). However, schizonts of P. falciparum are rarely seen in peripheral blood; instead, multiple, smaller rings are the usual diagnostic … [Read more...]
Can malaria cause kidney failure?
QUESTION: Can malaria be a cause for kidney failure or brain fever? ANSWER: Malaria, and specifically Plasmodium falciparum malaria, the most severe and deadly form of the disease, can certainly cause both renal failure and brain fever. It usually does this by infecting red blood cells, which then become blocked in tiny blood vessels deep within organs. This process is called … [Read more...]