Tobramycin Inhalation
Generic Name: tobramycin inhalation
Brand Names:
Tobramycin Inhalation
11 DESCRIPTION Tobramycin Inhalation Solution is a sterile, clear, colorless to pale yellow, non-pyrogenic, aqueous solution with pH and salinity adjusted. Tobramycin Inhalation Solution is administered by a compressed air driven reusable nebulizer. The chemical formula for tobramycin is C 18 H 37 N 5 O 9 and the molecular weight is 467.52. Tobramycin is O-3-amino-3-deoxy-α-D-glucopyranosyl-(1→4)-O-[2,6-diamino- 2,3,6-trideoxy-α-D-ribo-hexopyranosyl-(1→6)]-2-deoxy-L‑streptamine.
Overview
11 DESCRIPTION Tobramycin Inhalation Solution is a sterile, clear, colorless to pale yellow, non-pyrogenic, aqueous solution with pH and salinity adjusted. Tobramycin Inhalation Solution is administered by a compressed air driven reusable nebulizer. The chemical formula for tobramycin is C 18 H 37 N 5 O 9 and the molecular weight is 467.52. Tobramycin is O-3-amino-3-deoxy-α-D-glucopyranosyl-(1→4)-O-[2,6-diamino- 2,3,6-trideoxy-α-D-ribo-hexopyranosyl-(1→6)]-2-deoxy-L‑streptamine.
Uses
1 INDICATIONS AND USAGE Tobramycin Inhalation Solution is indicated for the management of cystic fibrosis patients with Pseudomonas aeruginosa . Safety and efficacy have not been demonstrated in patients under the age of six years, patients with FEV 1 less than 40% or greater than 80% predicted, or patients colonized with Burkholderia cepacia [see Clinical Studies ( 14 )] . Tobramycin Inhalation Solution is an inhaled aminoglycoside antibacterial indicated for the management of cystic fibrosis patients with Pseudomonas aeruginosa . ( 1 ) Safety and efficacy have not been demonstrated in patients under the age of six years, patients with a forced expiratory volume in one second (FEV 1 ) less than 40% or greater than 80% predicted, or patients colonized with Burkholderia cepacia . ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION For oral inhalation only ( 2.1 ) Administer the entire contents of one ampule twice daily by oral inhalation in repeated cycles of 28 days on drug, followed by 28 days off drug. ( 2.1 ) 2.1 Dosage Tobramycin Inhalation Solution is for oral inhalation only [see Dosage and Administration ( 2.2 )] . The recommended dosage of Tobramycin Inhalation Solution for patients six years of age and older is to administer one single-use ampule (300 mg/4 mL) twice daily by oral inhalation in repeated cycles of 28 days on drug, followed by 28 days off drug. The doses should be taken as close to 12 hours apart as possible and not less than 6 hours apart. The 300 mg/4 mL dose of Tobramycin Inhalation Solution is the same for patients regardless of age or weight.
Side Effects
6 ADVERSE REACTIONS Common adverse reactions (more than 5%) occurring more frequently in Tobramycin Inhalation Solution patients are forced expiratory volume decreased, rales, red blood cell sedimentation rate increased, and dysphonia. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Prasco Laboratories at 1-866-525-0688 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in clinical trials of drugs cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Interactions
7 DRUG INTERACTIONS Concurrent and/or sequential use of Tobramycin Inhalation Solution with other drugs with neurotoxic, nephrotoxic or ototoxic potential should be avoided. ( 7.1 ) Tobramycin Inhalation Solution should not be administered concomitantly with ethacrynic acid, furosemide, urea, or intravenous mannitol. ( 7.2 ) 7.1 Drugs with Neurotoxic, Nephrotoxic, or Ototoxic Potential Concurrent and/or sequential use of Tobramycin Inhalation Solution with other drugs with neurotoxic, nephrotoxic, or ototoxic potential should be avoided. 7.2 Diuretics Some diuretics can enhance aminoglycoside toxicity by altering antibiotic concentrations in serum and tissue.
Warnings
5 WARNINGS AND PRECAUTIONS Caution should be exercised when prescribing Tobramycin Inhalation Solution to patients with known or suspected auditory, vestibular, renal, or neuromuscular dysfunction. ( 5.1 , 5.2 , 5.3 and 5.5 ) Aminoglycoside may aggravate muscle weakness because of a potential curare-like effect on neuromuscular function. ( 5.3 ) Bronchospasm can occur with inhalation of Tobramycin Inhalation Solution. ( 5.4 ) Audiograms, serum concentration, and renal function should be monitored as appropriate. ( 5.2 and 5.5 ) Fetal harm can occur when aminoglycosides are administered to a pregnant woman. Apprise women of the potential hazard to the fetus. 4 CONTRAINDICATIONS Tobramycin Inhalation Solution is contraindicated in patients with a known hypersensitivity to any aminoglycoside. Tobramycin Inhalation Solution is contraindicated in patients with a known hypersensitivity to any aminoglycoside. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Aminoglycosides can cause fetal harm. Published literature reports that use of streptomycin, an aminoglycoside, can cause total, irreversible, bilateral congenital deafness when administered to a pregnant woman [Warnings and Precautions ( 5.6 )] .
Storage
16.2 Storage and Handling Tobramycin Inhalation Solution should be stored under refrigeration at 2°C ‑ 8°C (36°F ‑ 46°F). Upon removal from the refrigerator, or if refrigeration is unavailable, Tobramycin Inhalation Solution pouches (opened or unopened) may be stored at room temperature [up to 25°C (77°F)] for up to 28 days.
Frequently Asked Questions
What is Tobramycin Inhalation used for?▼
1 INDICATIONS AND USAGE Tobramycin Inhalation Solution is indicated for the management of cystic fibrosis patients with Pseudomonas aeruginosa . Safety and efficacy have not been demonstrated in patients under the age of six years, patients with FEV 1 less than 40% or greater than 80% predicted, or patients colonized with Burkholderia cepacia [see Clinical Studies ( 14 )] . Tobramycin Inhalation Solution is an inhaled aminoglycoside antibacterial indicated for the management of cystic fibrosis patients with Pseudomonas aeruginosa . ( 1 ) Safety and efficacy have not been demonstrated in patients under the age of six years, patients with a forced expiratory volume in one second (FEV 1 ) less than 40% or greater than 80% predicted, or patients colonized with Burkholderia cepacia . ( 1 )
What are the side effects of Tobramycin Inhalation?▼
6 ADVERSE REACTIONS Common adverse reactions (more than 5%) occurring more frequently in Tobramycin Inhalation Solution patients are forced expiratory volume decreased, rales, red blood cell sedimentation rate increased, and dysphonia. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Prasco Laboratories at 1-866-525-0688 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in clinical trials of drugs cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Can I take Tobramycin Inhalation during pregnancy?▼
8.1 Pregnancy Risk Summary Aminoglycosides can cause fetal harm. Published literature reports that use of streptomycin, an aminoglycoside, can cause total, irreversible, bilateral congenital deafness when administered to a pregnant woman [Warnings and Precautions ( 5.6 )] .
What are the important warnings for Tobramycin Inhalation?▼
5 WARNINGS AND PRECAUTIONS Caution should be exercised when prescribing Tobramycin Inhalation Solution to patients with known or suspected auditory, vestibular, renal, or neuromuscular dysfunction. ( 5.1 , 5.2 , 5.3 and 5.5 ) Aminoglycoside may aggravate muscle weakness because of a potential curare-like effect on neuromuscular function. ( 5.3 ) Bronchospasm can occur with inhalation of Tobramycin Inhalation Solution. ( 5.4 ) Audiograms, serum concentration, and renal function should be monitored as appropriate. ( 5.2 and 5.5 ) Fetal harm can occur when aminoglycosides are administered to a pregnant woman. Apprise women of the potential hazard to the fetus. 4 CONTRAINDICATIONS Tobramycin Inhalation Solution is contraindicated in patients with a known hypersensitivity to any aminoglycoside. Tobramycin Inhalation Solution is contraindicated in patients with a known hypersensitivity to any aminoglycoside. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.