Por favor muéstrame oraciones como ejemplos con After drinking coffee, I feel uncomfortable, heavy in my chest. After a deep breath it will become more comfortable. I don't feel worried. What is this feeling called? I think it is not "nervous" or "anxiety" because I don't feel worried. Thanks! . Dime tantas expresiones diarias como sea posible.

See a translation

You have perfectly described anxiety, at least the way I use the word. It is a physical feeling of tension, shortness of breath, tightness in your chest, etc.

I feel anxious.
The coffee makes me anxious.
The coffee gives me anxiety.
I feel jittery. (Informal, usually describing a desire to move or fidget)
I’m in fight, flight, or freeze mode. (Psychologists use this phrase a lot!)

Feeling nervous or worried is a specific type of anxiety. It usually happens because you know something scary is going to happen soon.
I feel nervous about meeting my boyfriend’s family.
I’m nervous about my test tomorrow.

Anxiety is physical. Worry and nervousness are thoughts that usually cause anxiety.