Antiprotozoan drugs of choice include: chloroquine for malaria; diiodohydroxyquin for asymptomatic intestinal amebiasis; metronidazole for acute amebic colitis, extraintestinal amebiasis and trichomoniasis; quinacrine for giardiasis; quinine-pyrimethamine-sulfadiazine for chloroquine-resistant falciparum malaria, and trimethoprim-sulfamethoxazole for pneumocystis pneumonia. Anthelmintic drugs of choice include: mebendazole for roundworm, pinworm, whipworm and hookworm infections; niclosamide for tapeworm infections, and thiabendazole for trichinosis.
用于疟疾的氯喹;用于无症状肠道阿米巴病的双碘喹啉;用于急性阿米巴结肠炎、肠外阿米巴病和滴虫病的甲硝唑;用于贾第虫病的奎纳克林;用于耐氯喹恶性疟原虫疟疾的奎宁-乙胺嘧啶-磺胺嘧啶,以及用于肺孢子菌肺炎的甲氧苄啶-磺胺甲恶唑。驱虫的首选药物包括:用于蛔虫、蛲虫、鞭虫和钩虫感染的甲苯达唑;用于绦虫感染的氯硝柳胺,以及用于旋毛虫病的噻苯达唑。