Do You Feel Full All the Time? Do You Feel Full All the Time? One of the many digestive mysteries about the human body is that feeling of fullness that makes no sense. Sure, you're accustomed to feeling full and possibly sluggish after eating a hearty meal, but what explains that feeling of fullness when you haven't eaten in several hours? If you feel full all the time and it is starting to bother you, there could be many reasons for that uncomfortable feeling. Why Do I Feel Full All the Time? There can be many reasons you may feel full all the time. The most common reason is excess gas. When you eat foods that don't agree with your tummy, or when you eat too much of something, you might develop more gas than usual. As this gas builds up, bloating can occur. Bloating makes you feel as though you have a very full stomach when in fact, you might not have any food in your stomach at all. The most common reason for bloating is eating a food that doesn't suit your stomach. For those who have an intolerance for dairy, it might be a glass of milk. For those who can't tolerate peppers, it might be a slice of that spicy pizza from the break room at work. For others, it can be almost anything that contains raffinose, such as leafy green veggies, some fruits and beans. Bloating can also be caused by air trapped in the