Numbness or weakness of the face, arm, or legs -- especially on just one side of the body
Slurred or unusual speech
Trouble seeing in one or both eyes
Trouble walking, dizziness, or balance problems
toxic reaction, which occurs when insect or spider
venom acts like a poison in the body.
Venom from insect stings or spider bites and medicines such as penicillin are
common causes of serum sickness.
Lyme disease, a
bacterial disease that can be passed by the bite of a deer tick. Symptoms begin
within 3 weeks of a bite and often include an expanding red rash in addition to
Encephalitis caused by the West Nile
virus. West Nile virus is spread to people by infected mosquitoes. Most
infections are mild. Symptoms usually appear within 3 to 15 days of the
Malaria, which is caused by a parasite
that infects human liver cells and red blood cells. Malaria is an infectious
disease carried by certain mosquitoes. Symptoms in the early stages of malaria
can be similar to those of many other illnesses caused by bacterial, viral, or
parasitic infections. You may have malaria if you have symptoms of malaria and
you have been in an area where malaria is present (such as Central or South
America, Africa, or Asia), especially in the past 2 months.
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
July 08, 2013
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this