Thanks for writing to health care magic.
Never miss your breakfast. You should cultivate a habit of having some thing in the morning.
You already take a fast of around 12 hrs when you do not eat any thing overnight and going on work with out having any thing is going to cause problems.
Prolonged fasting can be responsible for gastritis
which could be responsible for various problems you are facing like nausea
What is your age?
Did you ever have your blood sugar or blood pressure checked up?
Please reply in detail so that we can help you better.