A cough lasting five months is considered chronic. Rather than just suppressing it, it is important to identify the underlying cause, which is often easily treatable, such as allergies, acid reflux, or asthma. For temporary relief of a dry cough, an over-the-counter cough suppressant containing dextromethorphan can help. If allergies or post-nasal drip are suspected, an antihistamine like cetirizine may be useful. However, because this has lasted several months, please consult a healthcare professional. They can safely evaluate you and prescribe targeted treatments. Do not worry, but a proper medical evaluation is the best step forward.
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What medication or cough syrup should I take for a chronic dry cough that has been coming and going for five months?