Amphotericin B Dosage
Medically reviewed by Drugs.com. Last updated on Aug 16, 2023.
Applies to the following strengths: 50 mg; 100 mg/mL
Usual Adult Dose for:
- Ocular Fungal Infection
- Aspergillosis - Invasive
- Blastomycosis
- Candida Urinary Tract Infection
- Candidemia
- Coccidioidomycosis
- Cryptococcal Meningitis - Immunocompetent Host
- Histoplasmosis - Immunocompetent Host
- Oral Thrush
- Sporotrichosis
- Leishmaniasis
- Mucormycosis - Invasive
- Systemic Fungal Infection
Usual Pediatric Dose for:
- Blastomycosis
- Candidemia
- Cryptococcal Meningitis - Immunosuppressed Host
- Systemic Fungal Infection
- Sporotrichosis
Additional dosage information:
Usual Adult Dose for Ocular Fungal Infection
5 to 10 micrograms INTRAVITREALLY
- Use with systemic voriconazole.
Comments:
- Local drug concentration is lower if injected at the end of a pars plana vitrectomy, reducing retinal toxicity concerns.
Use(s): Aspergillus endophthalmitis
Usual Adult Dose for Aspergillosis - Invasive
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to a final daily dose of 0.5 to 0.7 mg/kg IV once a day depending on cardio-renal status.
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Cumulative dose: Up to 3.6 grams
Duration of therapy: Up to 11 months
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Usual Adult Dose for Blastomycosis
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Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the final daily dose.
Pulmonary blastomycosis (moderately severe to severe): 0.7 to 1 mg/kg IV once a day for 1 to 2 weeks or until improvement is noted
- Follow with oral itraconazole.
Disseminated extrapulmonary blastomycosis(moderately severe to severe): 0.7 to 1 mg/kg IV once a day for 1 to 2 weeks or until improvement is noted
- Follow with oral itraconazole.
Immunocompromised patients with blastomycosis: 0.7 to 1 mg/kg IV once a day for 1 to 2 weeks or until improvement is noted
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Usual Adult Dose for Candida Urinary Tract Infection
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the final daily dose.
Patients undergoing urologic procedures: 0.3 to 0.6 mg/kg IV once a day for several days before and after the procedure
Fluconazole-resistant candida glabrata: 0.3 to 0.6 mg/kg IV once a day for 1 to 7 days
Symptomatic ascending candida pyelonephritis from fluconazole-resistant candida glabrata: 0.3 to 0.6 mg/kg IV once a day for 1 to 7 days
- Use with or without flucytosine
Symptomatic ascending candida pyelonephritis from fluconazole-resistant candida kryseu: 0.3 to 0.6 mg/kg IV once a day for 1 to 7 days
Maximum IV dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Cystitis due to fluconazole-resistant species: 50 mg/mL in sterile water as a bladder irrigation once a day for 5 days
Candida urinary tract infection with fungus balls in patients with nephrostomy tubes: 25 to 50 mg in 200 to 500 mL sterile water IRRIGATED THROUGH the nephrostomy tubes
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
- Four week induction therapy is reserved for meningoencephalitis without neurological complications and cerebrospinal fluid yeast cultures that are negative after 2 weeks of treatment.
- In patients with neurological complications, consider using 6 weeks of induction therapy.
- If flucytosine is not given or treatment is interrupted, consider lengthening induction treatment at least 2 weeks.
- Patients at low risk of therapeutic failure (e.g. early diagnosis, no uncontrolled underlying disease, not immunocompromised, and excellent clinical response) consider decreasing induction treatment to 2 weeks.
Use(s): Candiduria
Usual Adult Dose for Candidemia
Candida chorioretinitis without vitreous and with macular involvement: 5 to 10 mcg/0.1 mL sterile water by INTRAVITREAL injection
- For use with concomitant antifungal treatment (oral or IV)
Central nervous system candidiasis in patients in whom a ventricular device cannot be removed: 0.01 to 0.5 mg in 2 mL of 5% dextrose administered THROUGH THE DEVICE into the ventricle
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Usual Adult Dose for Coccidioidomycosis
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the final daily dose.
Severe, non-meningeal infection: 0.7 to 1 mg/kg/day IV
Duration of therapy: Until clinical improvement
- Follow with a triazole.
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Use(s): Coccidioidomycosis
Usual Adult Dose for Cryptococcal Meningitis - Immunocompetent Host
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to thefinal daily dose depending on cardio-renal status.
Induction dose: 0.7 to 1 mg/kg IV once a day for at least 4 weeks
- Use in combination with flucytosine.
- Consolidation treatment is done with fluconazole.
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
- Four week induction therapy is reserved for meningoencephalitis without neurological complications and cerebrospinal fluid yeast cultures that are negative after 2 weeks of treatment.
- In patients with neurological complications, consider using 6 weeks of induction therapy.
- If flucytosine is not given or treatment is interrupted, consider lengthening induction treatment at least 2 weeks.
- Patients at low risk of therapeutic failure (e.g. early diagnosis, no uncontrolled underlying disease, not immunocompromised, and excellent clinical response) consider decreasing induction treatment to 2 weeks.
Use(s): Treatment of cryptococcal meningoencephalitis
Usual Adult Dose for Histoplasmosis - Immunocompetent Host
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the final daily dose.
Moderately severe to severe pulmonary histoplasmosis: 0.7 to 1 mg/kg IV once a day
Duration of therapy: 1 to 2 weeks
- Follow with itraconazole.
- May use concomitant methylprednisolone for respiratory complications.
- Use this formulation if nephrotoxicity risk is low.
Moderately severe to severe progressive disseminated histoplasmosis: 3 mg/kg IV once a day
Duration of therapy: 1 to 2 weeks
- Follow with itraconazole.
- Use this formulation if nephrotoxicity risk is low.
Progressive disseminated histoplasmosis: 1 mg/kg IV once a day for 4 to 6 weeks
OR
1 mg/kg IV once a day for 2 to 4 weeks, followed by itraconazole
- Longer therapy may be needed for severe disease, immunosuppression, or primary immunodeficiency disorders.
CNS histoplasmosis: 1 mg/kg IV once a day
Duration of therapy: 4 to 6 weeks
- Follow with itraconazole.
- Use this formulation if nephrotoxicity risk is low.
Histoplasmosis in pregnancy: 3 to 5 mg/kg IV once a day
Duration of therapy: 4 to 6 weeks
- Use this formulation if nephrotoxicity risk is low.
Progressive disseminated histoplasmosis: 1 mg/kg IV once a day
Duration of therapy: 4 to 6 weeks; 2 to 4 weeks if followed by itraconazole
- Longer therapy may be needed for severe disease, immunosuppression, or primary immunodeficiency.
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
- Mild to moderate acute pulmonary histoplasmosis does not usually require treatment.
Usual Adult Dose for Oral Thrush
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Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the final daily dose.
Fluconazole-refractory oropharyngeal candidiasis: 0.3 mg/kg IV once a day
Esophageal candidiasis: 0.3 to 0.7 mg/kg IV once a day
- Use only if patients cannot tolerate oral therapy.
- Switch to oral fluconazole therapy when the patient can tolerate oral intake.
Fluconazole-refractory esophageal candidiasis: 0.3 to 0.7 mg/kg IV once a day
Duration of therapy: 21 days
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Usual Adult Dose for Sporotrichosis
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the final daily dose of 0.5 to 0.7 mg/kg IV once a day.
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Cumulative dose: Up to 2.5 grams total
Duration of therapy: Up to 9 months
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Usual Adult Dose for Leishmaniasis
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the final daily dose.
Visceral Leishmaniasis: 0.75 to 1 mg/kg IV once a day or every other day for 20 to 30 doses
Mucosal Leishmaniasis: 0.1 to 1 mg/kg IV once a day for 20 to 45 doses
Cutaneous Leishmaniasis: 0.7 mg/kg IV once a day for 25 to 30 doses
Mucocutaneous Leishmaniasis: 0.7 to 1 mg/kg IV every other day for up to 25 to 45 doses
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Usual Adult Dose for Mucormycosis - Invasive
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to a final daily dose of 0.5 to 0.7 mg/kg depending on cardio-renal status.
- A cumulative dose of at least 3 grams is recommended; although 3 to 4 grams infrequently cause lasting renal impairment, the dose is considered reasonable if clinical evidence of deep tissue infection is present, as this infection usually follows a rapidly fatal course.
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
- This disease generally occurs in association with diabetic ketoacidosis; it is imperative for diabetic control to be restored for treatment to be successful.
Use(s): Rhinocerebral mucormycosis (phycomycosis)
Usual Adult Dose for Systemic Fungal Infection
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose: 1 mg in 50 mL dextrose IV over 30 minutes
- If initial dose is well tolerated, increase over a period of 2 days to:
Duration of therapy: 10 to 14 days
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
- This disease generally occurs in association with diabetic ketoacidosis; it is imperative for diabetic control to be restored for treatment to be successful.
Use(s): Systemic mycosis
Usual Pediatric Dose for Blastomycosis
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the recommended daily dose.
Children with severe blastomycosis: 0.7 to 1 mg/kg IV once a day
- Follow with fluconazole
Newborns with evidence of infection: 1 mg/kg IV once a day
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Usual Pediatric Dose for Candidemia
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the maintenance dose.
Maintenance dose: 1 mg/kg IV once a day
- An infusion time of 3 to 6 hours is recommended
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Usual Pediatric Dose for Cryptococcal Meningitis - Immunosuppressed Host
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose (patients with good cardio-renal function and well tolerated test dose): 0.25 mg/kg slow IV daily
Initial dose (severe and rapidly progressive infection): 0.3 mg/kg slow IV daily
Initial dose (patients with impaired cardio-renal function OR severe reaction to test dose): use smaller doses (e.g. 5 to 10 mg)
- Gradually increase dose by 5 to 10 mg/day to the final daily dose.
Induction dose: 0.7 to 1 mg/kg IV once a day - with concomitant fluconazole or flucytosine
Duration of therapy: 5 to 7 days
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Use(s): HIV-infected patients or organ transplant recipients with cryptococcal disease (meningeal and disseminated non-meningeal)
Usual Pediatric Dose for Systemic Fungal Infection
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose: 1 mg in 50 mL dextrose IV over 30 minutes
- If initial dose is well tolerated, increase over a period of 2 days to:
Duration of therapy: 10 to 14 days
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
- This disease generally occurs in association with diabetic ketoacidosis; it is imperative for diabetic control to be restored for treatment to be successful.
Use(s): Systemic mycoses
Usual Pediatric Dose for Sporotrichosis
**VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG**
Test dose: 1 mg in 20 mL dextrose, slow IV over 20 to 30 minutes, with monitoring for 2 to 4 hours afterward.
Initial dose: 1 mg in 50 mL dextrose IV over 30 minutes
- If initial dose is well tolerated, increase over a period of 2 days to final dosing.
Disseminated sporotrichosis: 0.7 mg/kg IV once a day
- After a favorable response is seen, switch to itraconazole.
Maximum dose: 1.5 mg/kg total daily dose - UNDER NO CIRCUMSTANCES SHOULD THIS DOSE BE EXCEEDED
Comments:
- Administer primarily for progressive, potentially life-threatening fungal infections.
- Excess dosage can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Administer by slow IV infusion, over approximately 2 to 6 hours, depending on dose.
- The recommended concentration for infusion is 0.1 mg/mL.
- Patient tolerance varies greatly; individualize dose based on patient clinical status (e.g. site and severity of infection, cardio-renal function).
- A single test dose is preferred; monitor temperature, pulse, respiration, and blood pressure every 30 minutes for 2 to 4 hours.
- Optimal daily doses and ideal treatment durations are unknown.
Use(s): Sporotrichosis
Renal Dose Adjustments
Use with caution
Liver Dose Adjustments
Data not available
Dose Adjustments
- Whenever therapy is interrupted for 7 days or longer, resume therapy at the lowest dosage level and increase as outlined in dosage guidelines.
Pregnancy: Use for disseminated or CNS disease
Precautions
US BOXED WARNING(S):
- This drug should be used PRIMARILY for progressive and potentially life-threatening fungal infections.
- Do not use for noninvasive fungal disease such as oral thrush, vaginal candidiasis and esophageal candidiasis in patients with normal neutrophil counts.
- Do not use injectable doses greater than 1.5 mg/kg.
- EXERCISE CAUTION to prevent overdosage, which can lead to potentially fatal cardiac or cardiopulmonary arrest.
- Verify the product name and dosage before administration, especially if dosage exceeds 1.5 mg/kg.
Consult WARNINGS section for additional precautions.
Dialysis
- This product is poorly dialyzable and not hemodialyzable.
Other Comments
Administration advice:
- VERIFY PRODUCT NAME AND DOSAGE, ESPECIALLY IF DOSE EXCEEDS 1.5 MG/KG
- Whenever therapy is interrupted for 7 days or longer, resume therapy at the lowest dosage level and increase as outlined in dosage guidelines.
Storage requirements:
- Refrigerate; protect from light.
Monitoring:
- Monitor renal function frequently during therapy.
- Regularly monitor liver function, serum electrolytes (particularly potassium and magnesium), blood counts, and hemoglobin concentrations.
- Use lab test results to guide dose adjustments.
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