Symptoms can come and go for weeks if left untreated.

The source of the current outbreak is unknown, but certain types of fresh produce have historically been the culprit.

NBC News’ tally shows at least 26 states have reported cases of the parasitic stomach illness, as health authorities race to ...

Two parasitic illnesses are spreading this summer. Health officials say 10 cryptosporidium cases have been confirmed in Bexar ...

A literal stomach bug that causes “explosive diarrhea” has been spreading across the United States, including Florida.

Cases of an intestinal illness caused by a parasite is rising across the U.S. Here's what to know about transmission, ...

A parasitic illness known to cause what health officials call "explosive" diarrhea has been reported in Arkansas, according to the Centers for Disease Control.

Cases of cyclosporiasis continue to climb rapidly as 13 new states reported infections. See map tracking the spread.

Cyclosporiasis can ruin a summery picnic with explosive diarrhea and other food poisoning symptoms, according to the CDC. See ...