I have been having lower back pain for months and it's getting worse. and i've started to notice that it looks somewhat bruised on my lower back.

Spine nerve irritate: You may have over use this muscle or that there is the spinal nerve root irritation. Spinal nerve root irritation always causes muscle spasms. If the pain is primarily due to nerve damage, there are symptoms of pins and needles, numbness, burning, shooting and sharp pains. If the pain is due to nerve irritation with predominant muscle spasm, the pain is usually aching, cramping, dull, and the.

Probable spondylosis: Likely arthritis is the culprit. Muscle spasm generally comes with it, and can cause some swelling and burning. The primary cause of bruising or scarring is from heating pad overuse, to try and relieve some of the pain. Best to have a doctor evaluate you for the best treatment modalities, which may include physical therapy, steroid injections, osteopathic or chiropractic adjustments, or other.

Need to be checked: You have had lower back pain for months you are only 22, i presume there is no history of injury, and you say you notice it is getting bruised.I will recommend you consult your doctor and get it checked to find thecause of pain for months. May be related to the work you do or exercises you might be doing or the way you are sleeping or from pelvis .You need a thorough history&exam & may be imaging.