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Hi. Welcome to JustAnswer. My name is Uzair.I am reviewing your post and will get back to your reply momentarily.
Yes, you are right this can be due to allergy and coughing that causes blockage of eustachian tube which run between the middle of your ears and the back of your nose. You may experience a feeling of fullness or obstruction in your ear. Try chewing gum as chewing opens up the tube, decongestants can be helpful. Steam inhalation with menthol crystals in it would be beneficial. You have to take tablet fexofenedine or any other anti allergic to get control on your cough so that cause can be cured.
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