Pentam 300 Dosage
Generic name: PENTAMIDINE ISETHIONATE 300mg in 3mL
Dosage form: injection, powder, lyophilized, for solution
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CAUTION: DO NOT USE SODIUM CHLORIDE INJECTION, USP FOR INITIAL RECONSTITUTION BECAUSE PRECIPITATION WILL OCCUR. Pentamidine isethionate should be administered IM or IV only. The recommended regimen for adults and pediatric patients beyond 4 months of age is 4 mg/kg once a day for 14 to 21 days. Therapy for longer than 21 days with pentamidine isethionate has also been used but may be associated with increased toxicity.
The contents of one vial (300 mg) should be dissolved in 3 mL of Sterile Water for Injection, USP at 22° - 30°C (72° - 86°F). The calculated daily dose should then be withdrawn and administered by deep IM injection.
The contents of one vial (300 mg) should first be dissolved in 3 to 5 mL of Sterile Water for Injection, USP, or 5% Dextrose Injection, USP at 22°- 30°C (72° - 86°F). The calculated dose of pentamidine isethionate should then be withdrawn and diluted further in 50 to 250 mL of 5% Dextrose Injection, USP.
The diluted IV solutions containing pentamidine isethionate should be infused over a period of 60 to 120 minutes.
Aseptic technique should be employed in preparation of all solutions. Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit.
After reconstitution with sterile water, the Pentam solution is stable for 48 hours in the original vial at room temperature if protected from light. To avoid crystallization,store at 22° - 30°C (72° - 86°F). Intravenous infusion solutions of pentamidine isethionate at 1 mg/mL and 2.5 mg/mL prepared in 5% Dextrose Injection, USP are stable at room temperature for up to 24 hours.
Intravenous (IV) solutions of pentamidine isethionate have been shown to be incompatible with fluconazole and foscarnet sodium. IV solutions of pentamidine isethionate have been shown to be compatible with IV solutions of zidovudine (AZT) and diltiazem hydrochloride.
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- Drug class: inhaled anti-infectives
Other brands: Nebupent