Itching around the anus, especially at night
Seeing worms, worm segments, or eggs in stool, underwear, or around the anus
Abdominal pain or cramping
Nausea or vomiting
Diarrhea or loose stools
Unexplained weight loss
Increased appetite or decreased appetite
Fatigue or weakness
Bloating or gas
Anal irritation or redness
Trouble sleeping
Grinding teeth at night
Coughing or wheezing after possible exposure
Itchy rash or skin irritation after contact with contaminated soil
A doctor can confirm with a stool test or tape test