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WHAT YOU NEED TO KNOW:
An anterior cruciate ligament (ACL) injury is a partial or complete tear of the ACL. The ACL is a ligament in your knee that connects the tibia (shin bone) to the femur (thigh bone). Ligaments are strong tissues that connect bones. The ACL stops the tibia from sliding too far forward and keeps the knee stable.
Return to the emergency department if:
- Your toes are cold or numb.
- Your knee becomes more weak or unstable.
- Your pain has increased, even after you take your pain medicine.
- Your swelling has increased.
Contact your healthcare provider if:
- You have a fever.
- Your symptoms are not getting better.
- You have questions or concerns about your condition or care.
You may need any of the following:
- NSAIDs , such as ibuprofen, help decrease swelling, pain, and fever. This medicine is available with or without a doctor's order. NSAIDs can cause stomach bleeding or kidney problems in certain people. If you take blood thinner medicine, always ask your healthcare provider if NSAIDs are safe for you. Always read the medicine label and follow directions.
- Acetaminophen decreases pain and fever. It is available without a doctor's order. Ask how much to take and how often to take it. Follow directions. Read the labels of all other medicines you are using to see if they also contain acetaminophen, or ask your doctor or pharmacist. Acetaminophen can cause liver damage if not taken correctly. Do not use more than 4 grams (4,000 milligrams) total of acetaminophen in one day.
- Prescription pain medicine may be given. Ask your healthcare provider how to take this medicine safely. Some prescription pain medicines contain acetaminophen. Do not take other medicines that contain acetaminophen without talking to your healthcare provider. Too much acetaminophen may cause liver damage. Prescription pain medicine may cause constipation. Ask your healthcare provider how to prevent or treat constipation.
- Take your medicine as directed. Contact your healthcare provider if you think your medicine is not helping or if you have side effects. Tell him or her if you are allergic to any medicine. Keep a list of the medicines, vitamins, and herbs you take. Include the amounts, and when and why you take them. Bring the list or the pill bottles to follow-up visits. Carry your medicine list with you in case of an emergency.
Manage your ACL injury:
- Rest your joint so that it can heal. Return to normal activities as directed. You may not be able to play certain sports until your knee heals. Talk to your healthcare provider about sports you currently play. You may need to make a safe plan to start playing the sport again.
- Ice helps decrease swelling and pain. Ice may also help prevent tissue damage. Use an ice pack, or put crushed ice in a plastic bag. Cover the ice pack with a towel and place it on your injured ligament for 15 to 20 minutes every hour. Use the ice for as long as directed.
- Compression provides support and helps decrease swelling and movement so your joint can heal. Ask your healthcare provider if you should wrap an elastic bandage around your injured ligament.
- Elevate your injured area raised above the level of your heart as often as you can. This will help decrease or limit swelling. Elevate the injured area by resting it on pillows.
- Use support devices as directed. A knee brace may be used to limit movement and protect your child's knee. Your child may need to use crutches to help decrease pain as he or she moves around.
- Go to physical therapy if directed. Physical therapy may be used to teach your child exercises to help improve movement and strength, and to decrease pain. The exercises can also help increase the range of motion in your child's knee.
Follow up with your healthcare provider as directed:
Write down your questions so you remember to ask them during your visits.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.