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Complications
By Mayo Clinic staffComplications related to typical ascariasis are rare. However, potentially dangerous complications can develop if you have a heavy infestation.
- Nutritional deficiencies. Children with ascariasis are especially at risk of nutritional deficiencies. Loss of appetite and insufficient absorption of digested foods can occur as a large number of parasites take nourishment from the host's body.
- Intestinal blockage and perforation. In heavy ascariasis infestation, a mass of worms can block a portion of the intestine, causing severe abdominal cramping and vomiting. The blockage can even perforate the intestinal wall or appendix, causing hemorrhage or appendicitis.
- Allergic reactions. Some people develop allergic reactions to the ascaris worm's excretions and secretions, or to dead and dying worms. These reactions can cause signs and symptoms such as asthma, insomnia, eye pain and rashes.
