Why do I need an ova and parasite test?Your health care provider may order tests if you or your child has symptoms of an intestinal parasite. These include:Diarrhea that lasts for more than a few daysAbdominal painBlood and/or mucus in the stoolNausea and vomitingGasFeverWeight lossSometimes these symptoms go away without treatment, and testing is not needed. But testing may be ordered if you or your child has symptoms of a parasite infection and are at higher risk for complications. Risk factors include:Age. Infants and older adults have weaker immune systems. This can make infections more dangerous.Illness. Certain illnesses such as HIV/AIDS and cancer can weaken the immune system.Certain medicines. Some medical conditions are treated with drugs that suppress the immune system. This can make a parasite infection more serious.Worsening symptoms. If your symptoms don't improve over time, you may need medicine or other treatment.
