Sciatica pain starts in the lower back. However, sometimes your knee starts hurting out of nowhere, and you wonder, “Can sciatica cause knee pain?” Yes, sciatica can be such a pain in the knee. It indeed originates from your back, but it has a tendency to travel downward.
What Does Sciatica Knee Pain Feel Like?
Understanding how sciatica knee pain feels can help you differentiate it from other types of knee pain. If your knee pain is due to sciatica, you might experience a dull ache, sharp pain, or unusual sensations at the front, back, or side of your knee.
Your knee might feel weak, making it hard to put weight on it, or it might give way. If you also have pain in other areas like your lower back, buttock, thigh, foot, or calf, it could be a sign that sciatica is causing your knee pain. In rare cases, sciatica can also cause groin pain.
How Can Sciatica Cause Knee Pain?
Sciatica pain occurs when the sciatica nerve in your lower back experiences pressure. Although the problem isn’t your knee, you feel pain in it. Following is how sciatica contributes to your knee pain:
- Lumbar Radiculopathy
“Lumbar” refers to the lower back, and “radiculopathy” means nerve root damage where the nerves leave the spine. This can happen because of a herniated disc, spinal stenosis, osteoarthritis, or other causes. The risk of lumbar radiculopathy increases as you age. Specialist assessment can help in this regard. - Tight Hamstrings
Your hamstrings are the muscles at the back of your thighs. Tight hamstrings can also cause sciatica and knee pain. When your hamstrings are tight, they put extra pressure on your lower back as they alter the curve of your spine. This can strain your spinal joints and press on the sciatic nerve, leading to sciatica and knee pain.
Can Sciatica Cause Knee Pain in Both Knees?
Sciatica usually affects only one leg at a time. Therefore, it’s rare for it to cause pain in both knees at once. When knee pain is linked to sciatica, it often comes with other symptoms like pain in the lower back, buttocks, or down the leg.
What Helps Knee Pain from Sciatica?
Treatments for knee pain from sciatica aim to relieve the pressure on the nerve and manage knee symptoms. Common treatments include:
Medications
- Over-the-Counter Pain Relievers: NSAIDs like ibuprofen (Advil, Motrin) or acetaminophen (Tylenol) can help reduce sciatica-related knee pain.
- Prescription Medications: In more serious cases, doctors may prescribe muscle relaxants or medications for nerve pain to better control the symptoms.
Physical Therapy
- Tailored Exercise Programs: Physical therapy helps strengthen muscles around the knee and improve flexibility. A physical therapist can create a program with exercises to relieve pressure on the sciatic nerve and improve movement.
- Stretching Exercises: Gentle stretches, such as knee-to-chest or lower trunk rotations, can help reduce nerve compression. This can eliminate the knee pain.
Corticosteroid Injections
These injections reduce inflammation around the sciatic nerve, helping to relieve knee pain. This option is usually considered if other treatments don’t work.
Surgery
Non-invasive treatments fail to work in severe cases of sciatica. Therefore, an orthopedic surgeon can consider performing a surgery to release the pressure on your sciatica nerve. This could involve procedures like discectomy or laminectomy.
Wrapping Up
The knee is one the most efficient weight-bearing joints in your knee. When its performance turns poor, your daily life can be disturbed. If you have sciatica pain, you might wonder, “Can sciatica cause knee pain?” Yes, but luckily, there are treatments to help you find relief.
Visit Dr. Gombera at Mufaddal Gombera, MD. Our board-certified, fellowship-trained orthopedic surgeon specializes in the treatment of injuries to the shoulder, hip, and knee. Call us at (713) 794-3457 to secure an appointment.
