I Have Clubbing Of The Fingernails, Bloating, Dizziness, Thyroid Problems,

I have clubbing of the fingernails, bloating, dizziness, thyroid problems, dry mouth, constipation, coughing, breathing difficulty, nausea, eye problems, small Esophigis, heart burn, among many more symptoms. Can you tell me what these symptoms could be caused from? Thank you.