Dizziness, feeling faint, nausea, legs and arm s feeling weak.....Mainly in the morning. It doesn't happen every morning though. Just random spells.?

Possible vasovagal. It could be anything and u should ur doc but look up vasovagal and see if that matches up with your symptoms. Drink lots of fluids and less caffeine an soda and see if that helps. Check blood pressure when you have the sx.
Number of things. Could be a host of things such as vasovagal episodes, heart rhythm problems, vertigo or medication effects. Please have a thorough evaluation by your doctor.