Welcome to HCM ,
BP medicine which you are taking at present does not have side effect of nose block or ear block ,
for BP control you are taking two medicine at present , i would like to suggest few healthy life style tips for better BP control,
-     Take good quantity of fresh fruits, fresh green leafy vegetables, pulses, legumes, nuts like almond, wall nut, soybeans, lentils.
-     Restrict salt intake 
-     Reduce table salt and avoid bakery items, fried food, sweets, and ice cream.
-     Do regular brisk walking 
-     Do stress 
relaxation techniques like 
yoga.
-     Quit any form of Tobacco if you are using.
-     Limit alcohol intake.
-     Say ‘No’ to all forms of addiction.
for your ear and head block please 
consult ENT specialist and follow his advice ,
take care