QUESTION: If there is Plasmodium Vivax present, then is the patient infected with malaria or not? ANSWER: Yes! Plasmodium vivax is one of the several different species of malaria that can infect humans and cause disease. The other main species found in humans are Plasmodium falciparum, P. ovale and P. malariae. … [Read more...]
Malaria Fever
QUESTION: How many days will the fever last? ANSWER: There is no set amount of time for the duration of a malaria fever, and in fact it will depends on several factors, namely the type of malaria the patient has, their level of acquired immunity, whether they were taking preventative medicine for malaria (prophylaxis) at the time of infection and how quickly they receive appropriate … [Read more...]
Illness from Uganda trip
QUESTION: I just came back from a visit to Uganda Africa. I was unable to take Malarone as I had bad side effects. Vomiting. I was only exposed once when we walked into a swampy rain forest. This of-course was the only day I did not have repellent. We were taking the kids on a nature walk and the German volunteer got a little lost. I ran as fast as could out of the area. Started to feel tired … [Read more...]
Primaquine for Malaria Treatment
QUESTION: In India what is the duration of primaquine therapy in confirmed Malaria infection? ANSWER: Primaquine is usually used to kill the hypnozoite stages of Plasmodium vivax or P. ovale. This life stage of the malaria parasite can reside, dormant in the liver's hepatocyte cells, even after the patient has completed the normal course of treatment for the infection; at this stage, the … [Read more...]
Is there malaria in North America?
QUESTION: Are there malaria-infected mosquitoes in North America? ANSWER: North America is usually defined as including Canada, the United States and Mexico. Of these, Mexico has known regions of regular malaria transmission; specifically the regions bordering Guatemala and Belize in the south (Chiapas, Quintana Roo and Tabasco), rural areas in the tropical lowlands slightly further north … [Read more...]
Causes of malaria, treatment with drugs and emerging resistance
QUESTION: What is malaria and what causes it besides bacteria? What is the name of the causal agent for malaria, which drug is used to cure it and how do the pathogens become resistant to the drugs? ANSWER: There are many questions in there! Malaria is actually caused by a single-celled animal, called a protozoan; it's not a bacterial disease. There are different species of these … [Read more...]
Causes of malaria
QUESTION: What are the causes of malaria? ANSWER: Malaria is caused by parasites of the genus Plasmodium. These are single-celled animals known as protozoans (from the Greek 'protos' and 'zoia' which together mean 'first animal') and they are transmitted via mosquitoes that feed on blood; the parasites need both mosquito and human hosts to complete their life cycle (see below a graphic of … [Read more...]
What are the strains of malaria?
QUESTION: What are the different strains of malaria? ANSWER: Malaria is caused by small, single-celled parasites called protozoans, and specifically ones of the genus Plasmodium. There are many, many species of Plasmodium, which infect a wide variety of different species, from lizards and birds to rodents, bats and primates. Of all the species of malaria, four main ones infect humans - … [Read more...]
Can malaria come back?
QUESTION: If you had malaria once, can it return for a second time without being in a malaria area? ANSWER: Yes. There are several ways in which malaria can come back without being re-infected again. The blood forms of the parasites can sometimes persist at low numbers, so that the patient no longer has any symptoms; if these blood forms begin to reproduce again, the patient will once … [Read more...]
Treatment for Malaria
QUESTION: How do you treat malaria? ANSWER: Malaria can be treated with a number of different types of medication; which one to use depends on the type of malaria you have, as well as whether resistant strains are known to occur in your area. Below I have copied the response I wrote to a similar question on malaria treatment, posted on the 2nd of May, 2011: In most cases of … [Read more...]