A persistent cough may be a sign of a serious condition. If cough persists for more than 1 week, tends to recur, or is accompanied by fever, rash, or persistent headache, consult a doctor.
Use more than the recommended dose.
Give this product to a child who has heart disease, high blood pressure, thyroid disease, or diabetes unless directed by a doctor.
Do not take this product, unless directed by a doctor, if you have a breathing problem such as emphysema or chronic bronchitis, or if you have glaucoma or difficulty in urination due to enlargement of the prostate gland.
if you are now 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 MAOI drug. If you do not know if your prescription
drug contains an MAOI, consult a doctor or pharmacist before
taking this product
Stop use and ask a doctor if:
symptoms do not improve
new symptoms occur
redness or swelling is present
nervousness, dizziness or sleeplessness occur
symptoms do not improve within 7 days or are accompanied by
cough persists for more than 1 week, tends to recur, or is accompanied by a fever, rash, or persistent headache.
Ask a doctor before use if you have:
high blood pressure
difficulty in urination due to enlargement of the prostate gland
persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema or where cough is accompanied by excessive phlegm (mucus)