Ear pressure (increase pressure behind ear drum)

Pr

HELLO everyone....anyone have experience increase ear pressure (fluid) ...i am 28 weeks pregnant......i experience it...its irritate me. ...head and neck throat doctor according it's still there (in ear) full of pregnancy ..when l pressure the ear I feel alot of water....my ear clogging...now dr prescribe me allegra and claritin choose anyone...I take clartin....but my problem still same....what can I do....please help me....

Thanks