Anyone can get a parasitic infection. Since many parasites thrive in tropical or subtropical regions where it is warm and moist, people who travel to these areas are at an increased risk for contracting parasitic infections.
However, some individuals are at greater risk than others.People with a compromised immune systems or those who already have an illness people without a clean supply of water are at risk for contracting a Giardia infection. People who swim in lakes, rivers, and ponds and ingest the water are also at risk.
Cats transmit toxoplasmosis which is a very harmful infection for pregnant women. If you are pregnant, avoid cleaning the litter box or coming into contact with cat feces. Childcare workers who come into contact with feces on a regular basis are also at an increased risk of parasitic infection.
Because there are many types of parasitic infections, the symptoms can vary. Most parasitic infections cause gastrointestinal symptoms such as diarrhea, gas, upset stomach, cramps or pain, nausea, vomiting, fever and dehydration. Parasitic infections can be diagnosed in a number of ways. In a fecal exam, also called a stool exam or an ova parasite test. In some cases, a blood tests can reveal if your infection is caused by a parasite. In extreme cases, x-rays, magnetic resonance imaging (MRI), and computerized axial tomography (CAT) scans can help identify if parasitic infections have caused lesions, or injury to your organs.
Not every parasitic infection has a treatment, and some infections can recur. Some can be treated with antibiotics and because diarrhea often leads to dehydration, be sure to drink plenty of fluids if you have an infection and consult your healthcare professional.