Use AerobiKA only if the doctor prescribes it. AerobiKA OPEP Device is not recommended for patients who are unable to tolerate the increased work of breathing. It is also not advised for patients who have/had intracranial pressure (ICP) > 20 mm Hg, hemodynamic instability (blood pressure instability), recent facial, oral, or skull surgery or trauma, acute sinusitis, epistaxis (bleeding nose), oesophageal surgery, nausea, active hemoptysis (bleeding from lungs), untreated pneumothorax (untreated collapsed lung), or known or suspected tympanic membrane rupture or other middle ear pathology. Please seek medical advice in this regard. The device should not be shared with others. Store in a clean and dry place. Keep out of reach of children and pets.