During taking this medicine, do not drive or operate machinery.
Not recommended for productive cough pertussis, bronchial asthma, chronic cough and children under 2 years of age unless directed by physician.
Do not take higher than recommended dosage.
If pregnant or breast-feeding, ask a health professional before use.
Do not use if taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug.