Hymenolepis Nana

taken from:http://clem.mscd.edu/~churchcy/BIO3270/Images/Worms/hymenolepis_cycle.htm

 

Physiology and Structure:

H. nana, also known as dwarf tapeworm is only 2-4cm long. It has a simple life cycle and does not require to be an intermediate host.

Clinical Syndromes:

As our intestine has a few worms, there are no symptoms for H. nana. In heavy infections, hyperinfection and autoinfection occur. Symptoms are diarrhea, abdominal pain, headache and anorexia.

Diagnosis:

Stool examination will reveal the characteristics of H. nana egg, with its six-hooked embryo and polar filaments.

Treatment, Prevention and Control:

Improved sanitation, proper personal hygiene can treat H. nana cases.