in a general sense, it is often a safe idea to check with a doctor about any vaccines or medicines that may be necessary depending on the length of stay and the travel itinerary.

malaria is also a possibly serious consequence of mosquito bites, and preventative measures are equally necessary for those travelers expecting to spend a significant amount of time in the country.

specifically, it is a useful measure for those travelers looking to explore forested areas, areas undergoing agricultural development, or the states of acre, amapa, amazonas, western maranhao, northern mato grosso, para, rondonia, roraima, and tocantins - it may be necessary to take prescription medication before, during, and after the trip to be absolutely safe.