🪱 Signs of Parasite Infection in Children Many parasites like Ascaris, Giardia, pinworms, or hookworms cause both digestive and behavioral symptoms. 🧠 Behavioral & Neurological: • Irritability, mood swings • Restlessness or hyperactivity (especially at night) • Grinding teeth in sleep (bruxism) • Sleep disturbances or nightmares 🍽️ Digestive: • Stomach pain, bloating, or cramping (often near the belly button) • Gas or frequent burping • Constipation or diarrhea • Greasy, smelly stools • Loss