Worms are typically long, thin creatures that get around efficiently without legs. The different phyla of worms display a great range in size, complexity, and body structure. Flatworms (phylum Platyhelminthes) are simple animals that are slightly more complex than a cnidarian.

Symptoms

• Abdominal pain.
• Diarrhea.
• Nausea or vomiting.
• Gas or bloating.
• Dysentery (loose stools containing blood and mucus)
• Rash or itching around the rectum or vulva.
• Stomach pain or tenderness.
• Feeling tired.

Causes

Worms are mainly spread in small bits of poo from people with a worm infection. Some are caught from food. You can get infected by: touching objects or surfaces with worm eggs on them – if someone with worms does not wash their hands