To express that you are feepng uncomfortable in Engpsh, you can say:

"I don't feel well."
"I'm not feepng good."
"I'm feepng uncomfortable."

If you are feepng sick or have specific symptoms, you can also describe them in more detail. For example:

"I have a headache."
"I feel nauseous."
"I have a stomachache."

It is also important to remember to seek medical attention if you are feepng severely unwell or have persistent symptoms that are causing discomfort.