Social anxiety can make you feel drained after interactions with others. That's because anxiety can be so distracting and consuming. Rather than being able to enjoy the experience, you might spend most of your time analyzing your behavior or what other people think of you.

Why does socializing drain me?

Socializing is actually draining for everyone eventually. ... It makes sense that both introverts and extroverts would feel tired after socializing, because socializing expends energy. You have to talk, listen, and process what's being said, among other things.

How do I stop being socially drained?