Keywords: cough preparations, coughing, respiratory tract infections
AbstractThe majority of people coming to the pharmacy wanting medication for coughs have respiratory tract infections that are usually minor and self-limiting. However, a cough may also be symptom of a more serious underlying condition and in these cases, referral to a medical doctor is important. Coughing is a reflex action caused by irritation or obstruction of the airway. The purpose of a cough is to clear the airway so that breathing can continue as normal. The most common cause of a cough is an infection, either bacterial or viral, that irritates the airways. Other common irritants include smoking, dust and a post-nasal drip. It is also important to be aware that for example asthma and congestive cardiac failure can present as an irritating cough, and that medications such as ACE-Inhibitors may provoke cough.
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