(Concern) My left ear occasionally feels clogged.

Occasional sharp stabbing pain in the left ear as if pierced by a needle

I feel overwhelmedㅜ but my right ear is okay..

It feels like climbing a high mountain, with a heaviness that turns into pain.

Even while exercising, I sometimes stop briefly and wait for the fatigue to settle down.

It's not just an occasional thing; it's when I try to go to the hospital.

The symptoms have disappeared, so it's a bit of an ambiguous situation.

Should I go to the ENT clinic? I'm curious^^