What causes a disc bulge?
Many of us have bulging discs and we don’t know it, however, for some the disc will cause a nerve root irritation. Sometimes this irritation or sciatica can start gradually for no apparent reason, sometimes it can start suddenly after an incident such as lifting and twisting at the same time. I saw someone recently who had this problem after lifting golf clubs out of the boot of his car (bending and twisting). Usually a nerve root irritation from a bulging disc starts with pain, often building in intensity over 24-48 hours. The pain can be very severe and distressing.