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How painful is an ACL surgery?

Author

Emily Sparks

Published Jan 17, 2026

Most people have some surgery-related pain and discomfort for the first week or so. Not surprisingly, pain decreases with time. By the end of a week or two at the most, you should have very little discomfort. Swelling and bruising are also relatively common, and like discomfort, they're temporary.

Is ACL surgery a major surgery?

ACL reconstruction surgery can help restore range of motion, function and stability to the knee joint after an ACL injury. ACL reconstruction surgery is a common but major surgery with risks, like any other surgery.

Is pain common after ACL surgery?

After the ACL surgery, the patient experiences a lot of pain when they apply weight on the leg. Depending on the type of reconstructive surgery, the patient is required to use crutches for a specified period.

Is ACL surgery difficult?

Because revision ACL reconstruction is a more difficult operation to perform compared to primary ACL surgery, patients should choose an orthopedic surgeon with ample experience and with whom they feel comfortable. The doctor should take the time to answer all of a patient's questions in nontechnical terms.

Do they put you to sleep for ACL surgery?

Most ACL reconstructions are done under general anesthesia. So you'll be asleep during the surgery and not feel anything. The surgery usually takes 2 to 2½ hours, and you won't need to stay in the hospital overnight.

28 related questions found

How long is hospital stay after ACL surgery?

The operation will take between 1 hour and 1 hour and 30 minutes, and will usually require an overnight stay in hospital.

How soon can you walk after ACL surgery?

Walking unassisted and the timeline for recovery

Patients walk unassisted within 2-4 weeks, but for short periods. After 10-12 weeks, expect brisk walking, light jogging, and even plyometric exercise. Full recovery on ACL reconstruction is 6-12 months, or more with physical therapy.

How do you sleep after ACL surgery?

You can sleep on your back or side. Do not rest your knee with a pillow/towel under. It is very important to keep your knee straight. You will need a walking aid after your operation as you are likely to have a reduced weight-bearing (partial weight-bearing) capacity through your operated leg for two weeks.

Is ACL surgery keyhole?

ACL reconstruction usually lasts between one and three hours. The procedure is usually done by keyhole (arthroscopic) surgery. This means it's carried out using instruments inserted through several small cuts into your knee.

How Long Does ACL surgery take?

The procedure usually takes less than two hours. It will require an incision to remove a tendon if you are undergoing an autograft, in which a tendon from another part of your body is inserted in your knee.

How painful is ACL and meniscus surgery?

Pain is typically minimal after meniscus surgery. Most patients fully recover within 1–3 weeks, and are able to return to work soon after surgery if their job does not require physical labor. Physical therapy is rarely needed for this procedure.

What is the fastest ACL recovery?

This all happened 173 days or 24½ weeks after tearing his ACL during a spring football practice on March 25. The six-month anniversary of the injury was this Wednesday. That was the earliest date trainers had originally scheduled for him to return… to practice.

What can go wrong after ACL surgery?

The signs of ACL graft failure can include swelling, pain within the knee, locking within the knee, a mechanical block (which can be due to a bucket-handle tear of the meniscus), lack of full motion, and difficulty with twisting, turning, and pivoting.

How long will I be in crutches after ACL surgery?

Most patients are off crutches around 1-2 weeks after surgery. on the duties of your job. Many patients are able to return to limited or light duty 1-2 weeks after surgery. A brace is recommended for 6 weeks following surgery.

Will my knee ever be the same after ACL surgery?

Long-term results after anterior cruciate ligament (ACL) surgery aren't always perfect. But for the majority of patients, the outcome is favorable and patients are happy with the results.

Why does ACL recovery take so long?

Why is the ACL recovery period so long? The reason for this is due to the biological changes which the graft will need to undergo in order to re-incorporate into the body. Once a graft is disconnected from the body, even for a short time, the cells within it undergo necrosis (i.e. die).

Do you have screws in your knee after ACL surgery?

In ACL reconstruction, a replacement ligament (graft) is attached to tunnels drilled into the end of the femur (thigh bone) and tibia (shin bone). Often screws are used to attach the graft to the bone. Traditionally, metal screws have been used.

How quickly should you have ACL surgery?

For a complete tear of the ACL, reconstruction surgery is generally scheduled for between three and six weeks after the injury occurs. This allows inflammation in the area to subside. If surgery is performed too early, patients may develop a profound scarring response called arthrofibrosis.

Does ACL surgery leave a scar?

Postoperative scarring is a known complication after arthroscopic anterior ligament reconstruction of the knee. The rate of symptomatic scarring requiring surgical lysis of adhesions after isolated anterior cruciate ligament (ACL) reconstruction is approximately 0.34%.

How do you shower after ACL surgery?

You may shower 24 to 48 hours after surgery, if your doctor okays it. When you shower, keep your bandage and incision dry by taping a sheet of plastic to cover them. It might be best to get a shower stool to sit on. If you have a brace, only take it off if your doctor says it's okay.

Do you need to wear a brace after ACL surgery?

Following your ACL surgery, your grafted ligament is at risk of rupture. This means that if significant force is placed on your knee during the healing process, the graft may not be able to endure the pressure. It is because of this that the use of a knee brace is often recommended.

When does ACL surgery pain subside?

How long does pain last after ACL surgery? Most people have some surgery-related pain and discomfort for the first week or so. Not surprisingly, pain decreases with time. By the end of a week or two at the most, you should have very little discomfort.

What should I avoid after ACL surgery?

What NOT to do after ACL surgery

  • Do not put too much pressure on your knee and body. ...
  • Don't over ice your knee. ...
  • Avoid sleeping with your knee bent. ...
  • Do not overcompensate your recovering knee. ...
  • Do not be afraid to tell your doctor if you are worried about something.

How do you sit on the toilet after ACL surgery?

Getting Up and Down From a Toilet:

Back up to the toilet. Reach back for the armrests/raised toilet seat/seat. Slide your operated leg slightly forward and lower yourself slowly onto the toilet. To stand, use a grab bar or place your hand at the middle of the center bar of the walker.

When is ACL repair most vulnerable?

First two weeks after surgery

This phase is the most important during ACL recovery because it is precisely during this time that the knee is most vulnerable.