Thank you for providing quick additional info.
You are having clogged ear/plugged ear from last one week.
Due to obstruction of eustachian tube(a connection between middle ear & back of nose),the pressure between middle & inner ear gets imbalanced and causes various symptoms like clogging/plugging of ears,difficulty in hearing,mild soreness & discomfort.
The symptoms usually last from few hours to few days but sometimes it can take upto several weeks.
Following will help you greatly:
-You need to swallow more often when you chew gum.Swallowing activates the muscle that opens the Eustachian tube.
-Another way is:Pinch your nostrils shut.Then take a mouthful of air.Now force the air into the back of your nose as if you were trying to blow your thumb and fingers off your nostrils.This will unplug your ears.
-Oral decongestants,nasal sparays,topical nasal steroids & anti histaminic medications may be required. Afrin is a brand of nasal spray used to ease nasal congestion that is available over-the-counter.The generic name for this medication is Oxymetazoline
-Take anti histamine tab.Benadryl once a day.It is also available as over the counter(OTC) without prescription.
If still your ears fail to open/unclog then you need to consult your doctor for examination & hence the prescription medications accordingly.
Hope this helped.
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Thank you *****