Evaluation of CF Patient Perception of Symptom Improvement Following Inhaled Antibiotic Treatment

Inclusion criteria

Diagnosis of CF and chronic PA infection (defined as cultures positive for PA for > 6 months, including most recent culture). Have adequate understanding of English to give informed consent and follow study procedures. Patient must have completed their most recent course of TOBI or aerosolized tobramycin solution or any other aerosolized antibiotic at least 28 days prior to study entry. Parent/guardian of children 6 to 13 years old must agree to complete the CFQ-R and Global Rating of Change Questionnaires. Patient's physician must have decided to prescribe a 28 day course of TOBI for treatment of clinical symptoms (increased cough, increased sputum production/chest congestion, decreased exercise tolerance, or decreased appetite).