According to Women's Fitness, “a bloated stomach is often caused by a sudden increase in fiber from vegetables, fruits and beans.” If you reduce your intake of these foods, the bloated feeling should disappear.
Low back pain is a common complaint and typically resolves itself within a few days to a few weeks. However, if it doesn't, you should seek medical care. According to the National Institute of Neurological Disorders, Americans spend at least $50 billion a year on lower back pain problems. Most acute back pain is the result of trauma or a disorder, such as arthritis.