V. Zaman et M. Zaki, RESISTANCE OF BLASTOCYSTIS-HOMINIS CYSTS TO METRONIDAZOLE, TM & IH. Tropical medicine & international health, 1(5), 1996, pp. 677-678
Blastocystis hominis cysts concentrated from faeces were resistant to
metronidazole up to a concentration of 5 mg/ml. A cysticidal drug is t
herefore needed for radical treatment, to avoid relapse and to prevent
transmission.