Pentamidine Isethionate 300 mg Powder Vial by Xgen Pharma (RX)Pentamidine Isethionate 300 mg Powder Vial is an antimicrobial medication primarily used to treat and prevent Pneumocystis pneumonia (PCP), a serious lung infection often seen in individuals with weakened immune systems, such as those with HIV AIDS. Additionally, it is used for certain tropical diseases like leishmaniasis and trypanosomiasis (African sleeping sickness). The medication is administered intravenously or by inhalation under the