Coughing is pretty common and should go away on its own. However, if you’ve been coughing for quite a while – that might be a sign of allergies or another medical condition that you need to check with your doctor.
If you’ve recently bought yourself an air purifier and suspect it might be the reason for your continuous coughing – I can totally relate to how you’re feeling. I was in a very similar situation a few years back.
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