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What disease is the warning sign of lower back pain radiating down the thigh?

(Dan Tri) - Lower back pain radiating down the thigh is a typical sign of sciatica syndrome, which can be caused by a herniated disc. If not treated promptly, it can lead to complications such as muscle atrophy, leg weakness, loss of sensation, and seriously affect the ability to work.

Báo Dân tríBáo Dân trí19/11/2025

Mr. NVNhan (HCMC) sent a question to the Neurosurgery - Spine page asking for a doctor's advice as follows: "I am a technology driver, often having lower back pain. Is this disease caused by sitting too much? Recently, my pain has been worse, spreading down to my thighs, sometimes it is difficult to bend down. Is this condition dangerous, doctor?"

Below is the answer of Dr. CKII Le Trong Nghia - Deputy Head of Department of Neurosurgery - Spine, Nam Saigon International General Hospital.

Back pain is a very common problem among technology drivers. Sitting for long periods in a cramped position, shaking the whole body while driving is one of the main risk factors. A study on a group of drivers showed a high rate of back pain, closely related to uncomfortable seats, driving posture and long working hours.

What is worrying is that Mr. Nhan's symptoms have gotten worse. The pain is no longer localized in the back but has spread down to the thigh. This is a typical sign of sciatica syndrome, most likely caused by a herniated disc. Prolonged pressure has caused the disc to tear and the nucleus pulposus to escape, directly compressing the nerve roots that control the legs. The symptom of difficulty bending over is also a protective muscle spasm reaction of the body to avoid stretching the damaged nerve.

If not treated promptly, this prolonged condition can lead to serious complications such as muscle atrophy, limb weakness (weak legs), loss of sensation, seriously affecting the ability to walk and work.

Đau thắt lưng lan xuống đùi là dấu hiệu cảnh báo bệnh gì? - 1

With this condition, the patient should not be subjective. When the symptoms have spread to the legs, it means the level of compression is high and should be examined by specialists in the Department of Neurosurgery - Spine as soon as possible.

The most important diagnostic method today is magnetic resonance imaging (MRI) to accurately determine the location, extent of herniation and nerve compression, thereby providing timely treatment regimen.

Đau thắt lưng lan xuống đùi là dấu hiệu cảnh báo bệnh gì? - 2

Doctor examines patient (Photo: BVCC).

At Nam Saigon Hospital, the Neurosurgery - Spine Department is equipped with a modern equipment system and a team of experienced doctors in treating spinal diseases, especially those from occupational groups that require sitting for long periods of time such as technology drivers, office workers or long-distance drivers.

Early and proper medical examination helps patients promptly detect the extent of damage, avoiding the pain from progressing to the stage of nerve compression causing paralysis or affecting mobility.

In order to encourage the community to pay more attention to spinal health - an issue that is often neglected by people who work hard every day, Nam Sai Gon Hospital has launched a gratitude program with a 50% discount on examination fees for spinal diseases on the occasion of Vietnamese Teachers' Day. The program takes place from November 15-30, applicable to customers who make an appointment in advance.

Patients should arrange to go to the hospital for early examination to avoid unfortunate complications. With proper treatment, most patients can return to work after a short time and control symptoms effectively.

South Saigon International General Hospital

Address: 88 Street No. 8, Trung Son Residential Area, Binh Hung Commune, HCMC

Hotline: 1800 6767

Website: https://benhviennamsaigon.com/

Fanpage: https://www.facebook.com/BenhVienDaKhoaQuocTeNamSaiGon

Source: https://dantri.com.vn/suc-khoe/dau-that-lung-lan-xuong-dui-la-dau-hieu-canh-bao-benh-gi-20251118205813329.htm


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