What are the symptoms of loss of lordosis?

Discomfort. Lordosis occurs naturally in the cervical (neck) and lumbar (lower back) spine. Loss of lordosis is accompanied by symptoms of discomfort or pain. It can also result in disurpted alignement of other structures resulting in pain and discomfort in other places.
Back pain. The spine is shaped in a double s. When there is loss of that shape, often due to compression fractures, it csuses pain and spasms.