Symptoms and Impact of Parasitic Worm Infections Parasitic worm infections can lead to a variety of symptoms affecting the digestive, nervous, and blood systems. Here’s a closer look at these symptoms: Digestive Symptoms Individuals with worm infections may experience recurring abdominal pain around the navel area, which becomes more intense with pressure. Additionally, they often have a decreased appetite, indigestion, nausea, acid reflux, and alternating diarrhea or constipation. Nervous System Symptoms People with worm infections may exhibit signs of restlessness, convulsions, night terrors, and bruxism (teeth grinding during sleep). Anemia When the condition is severe, anemia may occur, manifesting as... Learn more