Itching around the anus, especially at night
Seeing worms or worm segments in stool, underwear, or around the anus
Abdominal pain or cramps
Nausea or vomiting
Diarrhea or...
Itching around the anus, especially at night
Trouble sleeping or waking up due to itching
Irritability or restlessness
Seeing tiny white thread-like worms near the anus or...