Read below about lower left back pain, including causes and common questions. Or get a personalized analysis of your lower left back pain from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

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A.I. Health Assistant Causes for Lower Left Back Pain

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced lower left back pain. This list does not constitute medical advice.

  1. 1.Low Back Strain

    A strain, commonly called a "pulled muscle," is when a muscle becomes overstretched and tears. A low back strain happens when one of the muscles in the lower back is stressed due to an unusual movement (such as lifting a heavy object, or lifting while twisting).

    This is usually a self-limiting problem, and should subside on its own within weeks.

    Rarity:
    Common
    Top Symptoms:
    lower back pain, back pain that gets worse when sitting, back pain that gets worse when straightening it, lower left back pain, lower right back pain
    Symptoms that always occur with low back strain:
    lower back pain
    Symptoms that never occur with low back strain:
    involuntary defecation, first time leaking urine, back numbness, toe numbness, foot numbness
    Urgency:
    Self-treatment
  2. 2.Herniated (Slipped) Disk in the Lower Back

    The backbone, or spine, is made up of 26 bones called vertebrae. In between the bones are soft disks filled with a jelly-like substance. These disks cushion the vertebrae and keep them in place. Although people talk about a slipped disk, nothing actually slips out of place. The outer shell of the disk ruptures, and the jelly-like substance bulges out. It may be pressing on a nerve, which is what causes the pain.A slipped disk is more likely to happen due to strain on the back, such as during heavy lifting, and older individuals are at higher risk.

    The pain associated with a slipped disk usually goes away within six weeks. If the pain lasts longer, consult a doctor. They may send you to see a back specialist for an MRI of your spine, and surgery may be considered.

    Rarity:
    Common
    Top Symptoms:
    lower back pain, moderate back pain, back pain that shoots down the leg, back pain that gets worse when sitting, leg weakness
    Urgency:
    Primary care doctor
  3. 3.Iliolumbar Syndrome

    Iliolumbar Syndrome is caused by a tear of the iliolumbar ligament, which connects the hip to the spine. It's caused by overuse or acute trauma to the area.

    1-2 months

    Rarity:
    Common
    Top Symptoms:
    lower back pain, back pain that shoots to the butt, severe back pain, back pain that shoots to the groin
    Symptoms that always occur with iliolumbar syndrome:
    lower back pain
    Urgency:
    Primary care doctor
  4. 4.Fibromyalgia

    Fibromyalgia is a disorder that causes widespread pain, tenderness, and fatigue.

    Fibromyalgia is generally a lifelong condition

    Rarity:
    Common
    Top Symptoms:
    fatigue, arthralgias or myalgias, anxiety, depressed mood, headache
    Symptoms that always occur with fibromyalgia:
    arthralgias or myalgias
    Urgency:
    Primary care doctor

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  5. 5.Osteoporotic Spinal Fracture

    Osteoporosis is a condition in which the density and quality of bone are reduced. Cracks can appear in the boney structures of the back (vertebrae) which can lead to back pain, back deformities and loss of height.

    Weeks to months

    Rarity:
    Uncommon
    Top Symptoms:
    mid back pain, spontaneous mid back pain, unintentional weight loss, back pain affecting the spine, back deformity
    Urgency:
    In-person visit
  6. 6.Lower Back Arthritis

    Osteoarthritis, most often simply called arthritis, is a disease of cartilage. In joints, where bones touch and move against one another, cartilage helps provide lubrication for smooth movement, and acts as a shock absorber. Cartilage is also present in between vertebrae, which are the bones comprising the spine. Osteoarthritis of the spine, also known as degenerative joint disease, happens when the cartilage between vertebrae dries out and shrinks. The vertebrae are thus not as able to move smoothly against one another. The ability to walk and perform normal daily activities can be impaired due to inflammation and pain in the lower back.

    Currently, there is no widely accepted cure for osteoarthritis, and medical care is centered on management of symptoms. General pain killers are likely to reduce pain symptoms in the short term (hours up to a day). Corticosteroid injections can reduce pain symptoms for months.

    Rarity:
    Common
    Top Symptoms:
    lower back pain, spontaneous back pain, back pain that gets worse when straightening it, back pain from overuse
    Urgency:
    Primary care doctor
  7. 7.Greater Trochanteric Pain Syndrome

    Greater trochanteric pain syndrome is a common cause of hip pain caused by damage to the tendons and/or bursa (fluid-filled sac near a joint) at the outside point of the hip known as the greater trochanter.

    Weeks to years

    Rarity:
    Uncommon
    Top Symptoms:
    lower back pain, pain in the outside of the hip, moderate hip pain, groin pain, limping
    Symptoms that always occur with greater trochanteric pain syndrome:
    pain in the outside of the hip
    Urgency:
    Primary care doctor
  8. 8.Sciatica

    The sciatic nerve is the largest nerve of the human body, and it runs through the buttock, down the thigh and into the calf, sending information to the muscles in the back of the thigh and leg, as well as the surrounding skin. The sciatic nerve itself is supplied by nerves coming from the spine in the lower back. Sometimes, one of the disks separating the vertebrae (bones of the spine) may bulge out a little bit, putting pressure on one of these nerve roots, causing sciatica, or shooting pain down the sciatic nerve.

    Problem will resolve itself within several weeks in 80-90% of cases.

    Rarity:
    Common
    Top Symptoms:
    back pain, back pain that shoots down the leg, numbness in one foot, pain in one leg, numbness in one thigh
    Symptoms that always occur with sciatica:
    back pain that shoots down the leg
    Urgency:
    Self-treatment
  9. 9.Lower Back (Sacral Vertebral) Fracture

    A sacral stress fracture is a small break in the sacrum. The sacrum is a large triangular bone at base of the spine. The sacrum connects to the pelvis.

    Variable depending on severity

    Rarity:
    Rare
    Top Symptoms:
    lower back pain, back pain that shoots to the butt, back pain that shoots down the leg, severe back pain, lower back pain from an injury
    Symptoms that always occur with lower back (sacral vertebral) fracture:
    lower back pain from an injury
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Lower Left Back Pain

  • Q.Does your back pain radiate anywhere?
  • Q.What is your body mass?
  • Q.Were you lifting weights or straining yourself right before your symptoms started?
  • Q.Any fever today or during the last week?

If you've answered yes to one or more of these questions, try our lower left back pain symptom checker to find out more.

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Lower Left Back Pain Symptom Checker Statistics

  • People who have experienced lower left back pain have also experienced:

    • 8% Pain in the Lower Left Abdomen
    • 5% Rib Pain on One Side
    • 4% Pain in One Hip
  • People who have experienced lower left back pain had symptoms persist for:

    • 29% Less Than a Week
    • 29% Over a Month
    • 22% Less Than a Day
  • People who have experienced lower left back pain were most often matched with:

    • 42% Herniated (Slipped) Disk in the Lower Back
    • 42% Iliolumbar Syndrome
    • 14% Low Back Strain
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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