Nontuberculous%20mycobacterial%20disease Management
Monitoring
Continual Monitoring
- Patients should have frequent sputum mycobacterial culture throughout the therapy
- The risk of adverse reactions &/or toxicities is relatively high in multidrug therapy
When monitoring for improvement, take into account the following factors:
- Symptomatic improvement after 6 months of appropriate therapy
- Radiographic regression of pulmonary findings after 6 months of appropriate therapy
- Conversion of sputum smear &/or culture to negative after 12 months of appropriate therapy
Evaluate Patients for Adverse Drug Reactions
GI Disturbances
- Associated w/ Clarithromycin, Azithromycin
- Dose & serum level related
- May also be seen w/ Rifabutin, Rifampicin
- Include metallic taste, vomiting, nausea, diarrhea
Rash
- Hypersensitivity reactions are seen w/ Rifampicin, Rifabutin
Arthralgia
- Commonly seen w/ Rifabutin
Ocular Toxicity
- Seen w/ Ethambutol, Rifabutin
Vestibular or Auditory Toxicity
- Seen w/ Azithromycin, Streptomycin, Amikacin
Monitor Laboratory Measurements as Necessary
- Monitor hematologic parameters, especially white blood cells in patients taking Rifabutin
- Monitor visual acuity (for Ethambutol, Rifabutin), red-green discrimination (for Ethambutol)
- Monitor LFT in patients taking the following drugs: Clarithromycin, Azithromycin, Rifabutin, Rifampicin, Isoniazid, Ethionamide
- Monitor renal function (for Rifabutin)