"My back is killing me" can mean two very different things. Sometimes the problem stays in the back: a deep ache across the low back that flares when you bend or sit too long. Other times the back is just where the problem starts, and the real misery runs down the leg. The distinction matters, because local back pain and sciatica come from different mechanisms and respond to different treatment. Getting it right early can save you weeks of care aimed at the wrong target.
What back pain is
Most low back pain is local and mechanical: it comes from the muscles, ligaments, joints, or discs of the spine itself, without significant nerve involvement. It typically feels like aching, stiffness, or a band of soreness across the low back. It may grab sharply with certain movements, but it stays in the back and perhaps the upper buttock. Common causes include lifting strains, prolonged sitting, facet joint irritation, and disc problems that haven't reached a nerve. This kind of pain often responds well to conservative care that restores joint motion, calms irritated soft tissue, and rebuilds movement tolerance.
What sciatica is
Sciatica describes pain radiating along the path of the sciatic nerve, from the low back or buttock down the back of the thigh, sometimes past the knee and into the calf or foot. It usually happens when a nerve root in the lower spine is compressed or irritated, most often by a herniated or bulging disc, or by narrowing around the nerve. The signature signs:
Leg pain that's often worse than the back pain. Burning, electric, or shooting quality rather than a dull ache. Tingling or numbness in the leg or foot. Pain that worsens with sitting, coughing, or sneezing. In more involved cases, weakness in the leg or foot.
A simple self-check (not a diagnosis)
Ask yourself three questions. Does your pain travel below the knee? Is the leg pain worse than the back pain? Do you have tingling or numbness anywhere in the leg or foot? "Yes" answers point toward sciatica; "no" across the board points toward local back pain. This is a rough screen, not a diagnosis. Overlapping conditions like hip problems and muscular referral can mimic either one, which is why an examination matters.
Why the distinction changes the plan: local back pain and nerve-root pain respond to different care, and we treat both. See how we approach all three of the most common complaints in our overview of chiropractic care for back pain, sciatica, and headaches.
How treatment differs
For local back pain, care usually centers on restoring normal joint motion with specific adjustments, releasing guarded muscles, and gradually rebuilding activity. For sciatica, the priority is taking pressure off the involved nerve root, which may mean gentler techniques, spinal decompression, and positioning and exercise strategies chosen to reduce nerve irritation rather than provoke it. When a herniated disc is the driver, recovery follows its own timeline; our post on herniated disc and sciatica recovery covers what that process typically looks like. In every case, the plan is individualized, because what helps one person's sciatica can aggravate another's.
When imaging helps
Not every backache needs a picture. But imaging earns its place when symptoms suggest nerve involvement, when pain follows trauma, or when several weeks of conservative care haven't moved the needle. We take X-rays in-house, same visit, when the exam indicates them. X-rays show alignment, degeneration, and bone problems. MRI becomes useful when we need to see the disc and nerve themselves, and we'll refer you for one when the findings would change the treatment plan. If you have red-flag symptoms (loss of bladder or bowel control, progressive leg weakness, or numbness in the groin area), seek emergency care rather than waiting for an appointment. For everything else, call us at 813-978-0020 and we'll help you sort out which problem you're dealing with.
Key takeaway: Back pain stays local; sciatica radiates down the leg, often with tingling or numbness, and usually means a nerve root is involved. Because the two respond to different treatment, an accurate diagnosis is the first step toward the right care.