Pentamidine Isethionate 300 mg for Inhalation Solution by Seton Pharma (RX)Pentamidine Isethionate 300 mg for Inhalation Solution is primarily used for the prophylactic treatment and prevention of Pneumocystis pneumonia (PCP) in patients who are at high risk, particularly those with HIV AIDS. This antifungal and antiprotozoal medication is delivered via nebulizer, targeting the lungs directly to prevent the onset of PCP by inhibiting the growth of Pneumocystis jirovecii. By providing local treatment to the respiratory