Pentamidine (formulated as a salt, pentamidine diisethionate or dimesilate) is an antimicrobial medication given for prevention and treatment of Pneumocystis pneumonia (PCP) caused by Pneumocystis jirovecii (formerly known as Pneumocystis carinii), a severe interstitial type of pneumonia often seen in patients with HIV infection. The drug is also the mainstay of treatment for stage I infection with Trypanosoma brucei gambiense (West African Trypanosomiasis).

Pentamidin (Handelsname Pentacarinat) ist ein Antiprotozoenmittel, welches in der Behandlung der Leishmaniose, ferner des Frühstadiums der Westafrikanischen Trypanosomiasis sowie bei Infektionen mit Pneumocystis jirovecii indiziert ist.

La pentamidine est un médicament antiparasitaire de la famille des trypanicides.