you have typical features of barotrauma
,which is a collection of fluid in the middle ears due to suddenpressure changes occurring inside the ears.The eustachian tube,a pressure tube in the throat aerating the ears,clogged up suddenly.You may put nasal drops 3drops twice daily each nostril
,lying down,wait 5 mins ,then inalation of steam is a must!A cetrizine
at nigth,an antibiotic,like Amox500 thrice daily for an adult,for a week and short course of steroid
10 mg thrice daily,to be taperse every 2 days,will heal you.and exercise your eustachian tube to open by chewing on gum constantky for a couple of days.