
What Causes Persistent Irritation In Throat And Cough?

post nasal drip causes irritation of the throat lining
Detailed Answer:
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It is possible that it may be related to post nasal drip.
This would cause irritation at the back of the throat and it is the most common cause of persistent/chronic coughing (cough lasting more than a few weeks).Treatment would consist of the use of an antihistamine decongestant combination.
This is over the counter medication eg benadryl d, allegra d, zyrtec d, claritine d
If this is not helpful on its own, you may need a nasal spray such as flonase, rhinocort, nasonex, nasocort etc- These may require a prescription
Other causes of chronic cough include asthma, GERD (gastroesophageal reflux).
If you have a history of reflux (GERD), then this is likely contributing as well and a change in diet along with reflux medication, would be needed.
I hope this helps, feel free to ask any other questions

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