Back pain refers to any pain that occurs in the lower back area. Just as “headache” is a general term for pain in the head, back pain is a broad term that covers any painful condition in the back, regardless of the cause. It is an extremely common symptom — so common that very few people go through life without experiencing it at least once — and most cases can be resolved without surgery.

When back pain continues for a long time, it often leads to sleep disorders. If back pain is keeping you from sleeping well or reducing your sleep quality, it is a good idea to discuss both problems with a healthcare provider at the same time.

Types of Back Pain: How Long Has It Lasted?

Back pain is classified into three types based on how long the pain has continued.

CategoryDuration
Acute back pain6 weeks or less
Subacute back pain6 to 12 weeks
Chronic back pain3 months or more

Why Does Your Back Hurt?

The causes of back pain are more varied than you might think.

  • Muscle or ligament strain (about 70%): Suddenly lifting something heavy or repeatedly using poor posture can stretch or injure the muscles or ligaments in your back. This is the most common cause.
  • Age-related changes (about 10%): As we get older, the structures of the spine naturally wear down and can cause pain.
  • Herniated disc, spinal stenosis, and similar conditions (about 7%): These are what people commonly call a “slipped disc,” and they are actually less common than many people assume.

The good news is that about 80% of all people with back pain recover naturally without surgery. Even if you are worried, try non-surgical treatment first.

What Symptoms Can Appear?

  • Pain that stays in the lower back only
  • Pain that spreads to the buttocks, thighs, calves, or toes (this is called radicular pain or radiculopathy)
  • Tingling or unusual sensations in the legs
  • A feeling of weakness in the legs
  • Rarely: leg cramps, paralysis, or difficulty controlling bladder or bowel

Go to a hospital right away if you have any of these symptoms

  • Sudden weakness in your legs that makes it hard to walk
  • Difficulty controlling your bladder or bowel
  • Severe pain that does not ease even at night while resting
  • Fever or sudden unexplained weight loss

How Is Back Pain Treated?

Non-Surgical Treatment (Try This First)

Exercise For preventing and improving back pain, a combination of stretching, stabilization exercises, strengthening exercises, and aerobic exercise is recommended. Stretching helps restore a normal range of motion in the joints and relieves muscle tension. Regular exercise is the single most important preventive measure for strengthening the back muscles and reducing the risk of recurrence.

Bed rest In the early acute phase, reducing activity and resting for a few days can be helpful. During this time, placing a pillow under your knees to keep your hip and knee joints slightly bent will reduce the load on your lower back.

Medication When pain is severe, non-steroidal anti-inflammatory drugs (NSAIDs) and muscle relaxants are used.

Physical therapy Treatments include ultrasound therapy, high-frequency (radiofrequency) therapy, heat and cold packs, and traction therapy, which gently stretches the spine to relieve pressure.

Injection therapy A steroid medication is injected near the site of the herniated disc to reduce swelling. This can relieve pain for a period of several months.

Surgical Treatment (Only When Truly Necessary)

Surgery is considered when conservative treatment has been tried sufficiently without success, or when nerve damage symptoms such as leg paralysis or abnormal sensation are worsening and making daily life difficult. Only 1 to 2% of all patients with back pain actually need surgery.

What Is the Outlook After Treatment?

  • About 50% of people with acute back pain improve within 1 week.
  • About 80% see their symptoms resolve within 8 to 10 weeks.
  • Even patients with nerve-related symptoms from a herniated disc often recover with conservative treatment within 10 to 12 weeks.

However, about 60% of people who have had one episode of acute back pain may experience a recurrence within 2 years. Do not become complacent once the pain is gone — continuing stretching and back-strengthening exercises on a regular basis is very important.

The figures and timeframes above can vary depending on individual circumstances, so please check the latest information with your doctor or by calling 1345 (Immigration Contact Center — a free helpline for foreigners in Korea).

Frequently Asked Questions (Q&A)

Q1. My back hurts a lot. Does that mean I have a herniated disc?

A herniated disc occurs when a disc between the vertebrae weakens and pushes outward, pressing on a nerve. If you only have back pain and no tingling or numbness in your legs, a herniated disc is unlikely. Most back pain is caused by muscle or ligament problems, so there is no need to worry too much.

Q2. If my legs are tingling, does that automatically mean I have a herniated disc?

Leg tingling can also be caused by spinal stenosis, severe diabetes, tumors inside the spinal canal, and other conditions. In rare cases, tingling can appear with no identifiable cause. It is therefore not possible to conclude from leg tingling alone that you have a herniated disc.

The area where tingling appears depends on which disc is affected.

Disc locationWhere tingling is felt
Between the 4th and 5th lumbar vertebraeButtock → back of the thigh → side of the calf → big toe
Between the 5th lumbar vertebra and the tailboneBack of the calf → little toe side

If you have these symptoms, please get an accurate diagnosis from a doctor rather than guessing on your own.

Q3. Wouldn’t it be better to have surgery quickly while I’m young?

Because herniated disc and spinal stenosis arise from the natural aging process, the standard approach is to begin with conservative treatment first. After the initial 2 weeks of acute pain, inflammation often settles down and symptoms ease considerably. In many cases, the herniated disc material is gradually reabsorbed by the body over time, and symptoms improve enough that daily life is not significantly affected. Surgery should be considered when neurological symptoms such as leg paralysis appear or worsen.

Q4. If I don’t have surgery, will I become paralyzed?

“Paralysis” in this context means the functional inability to use your legs properly — not just unusual sensations, but a genuine loss of strength and movement. When this occurs, surgery does need to be considered. However, progressive paralysis from a herniated disc or spinal stenosis is actually uncommon. It is not a good idea to rush into unnecessary surgery out of excessive worry about symptoms.

Q5. Will surgery cure me completely?

Surgery repairs a damaged area; it does not replace it with something brand new. Back care and regular exercise remain essential even after surgery. It is not realistic to expect that surgery alone will allow you to live pain-free for the rest of your life. Prevention and healthy lifestyle habits matter far more.

Lifestyle Habits to Prevent Back Pain

Making changes to your daily habits is important for relieving and preventing back pain. Carrying too much weight in a bag can contribute to back pain, so try to keep your bag’s weight within 10% of your own body weight.

  • Change your posture regularly: If you work seated for long periods, sitting with good posture is important — but regularly changing your position and doing stretches is just as important for preventing back pain. Use a smartwatch alarm or similar reminder to get up and move around every 1 to 2 hours.
  • Use a backpack when possible: Carrying a shoulder bag on one side can throw your body out of balance and cause back pain. A backpack that distributes weight across both shoulders is a better choice.
  • Exercise consistently: People with back pain may have reduced activation of the deep stabilizing muscles of the trunk, so stabilization exercises to maintain core stability are important.
  • Be careful with back braces: Wearing a back brace temporarily during an acute episode is fine, but wearing one for a long time can actually weaken your back muscles.

Using Healthcare in Korea for Back Pain

Refugees and migrants living in Korea who are enrolled in the national health insurance system can use hospitals on the same terms as Korean nationals. You can check your health insurance enrollment status and premium payment history at the National Health Insurance Service (nhis.or.kr).

If you do not have health insurance, you may be able to use medical aid programs or free medical clinics for foreigners. For more details, please contact 1345 (Immigration Contact Center).

For questions about unpaid health insurance premiums or restrictions on visa extension related to health insurance, please also refer to the article Guide to Health Insurance Premium Arrears and Visa Extension Restrictions for Refugees and Humanitarian Stay Permit Holders.

The figures and treatment timeframes mentioned here can vary depending on each person’s condition. Please consult your doctor thoroughly before making any treatment decisions. If you have difficulty with Korean, you can request interpreter support from 1345 (Immigration Contact Center) or your nearest Korea Immigration Service (hikorea.go.kr).