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A cough is your body's response to something that bothers your throat or airways. Many things can cause a cough. You might cough because of a cold or influenza (flu), bronchitis, or asthma. Smoking, post-nasal drip, allergies, and stomach acid that backs up into your throat also can cause coughs.
A cough is a symptom, not a disease. Most coughs stop when the cause, such as a cold, goes away. You can take a few steps at home to cough less and feel better.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Call 911 anytime you think you may need emergency care. For example, call if:
Call your doctor or nurse advice line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse advice line if:
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Current as of: March 1, 2023
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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